More Testing with 4000 disks

Badari Pulavarty (pbadari@us.ibm.com)
Mon, 7 Apr 2003 13:54:49 -0800


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Hi,

Here is more on testing with simulated 4000 disks.

I mounted 4000 simulated (scsi_debug) disks. But
when I tried to do IO on 200 of them (just reads),
system is 100% busy. Here are the vmstat,
10-sec profile output and sysrq-t output.

I am wondering why 100% sys ?

vmstat:
--------

178 23 8 0 3381260 60392 147608 0 0 88786 10 1015 11314 =
0 100 0
177 24 8 0 3381252 60392 147608 0 0 88947 20 1022 11335 =
0 100 0
182 19 8 0 3381188 60400 147600 0 0 89301 16 1017 11368 =
0 100 0
179 23 8 0 3381180 60400 147600 0 0 89348 5 1011 11367 =
0 100 0
176 26 8 0 3381116 60400 147600 0 0 88906 3 1008 11311 =
0 100 0
184 18 8 0 3381180 60400 147600 0 0 88734 5 1008 11312 =
0 100 0

10-second profile output:
----------------------------

c0109224 ret_from_intr 1 0.0357
c01105e0 restore_fpu 1 0.0312
c0110a50 save_i387 1 0.0052
c0114820 flush_tlb_mm 1 0.0089
c01160c0 do_irq_balance 1 0.0007
c011d8c0 prepare_to_wait_exclusive 1 0.0063
c011dd50 copy_mm 1 0.0009
c011e300 copy_files 1 0.0012
c0120ee0 release_task 1 0.0023
c0121ad0 exit_notify 1 0.0006
c0124080 tasklet_action 1 0.0045
c0127b80 del_timer_sync 1 0.0063
c012c0d0 do_sigaction 1 0.0010
c012c7a0 sys_rt_sigaction 1 0.0048
c01187f0 pgd_ctor 2 0.0417
c011d820 prepare_to_wait 2 0.0125
c011d960 finish_wait 2 0.0114
c0123430 sys_time 2 0.0250
c0127690 add_timer_on 2 0.0096
c0128490 schedule_timeout 2 0.0104
c0105000 _stext 4 0.0357
c01092fc syscall_call 4 0.3636
c01188b0 do_page_fault 4 0.0038
c0107980 get_wchan 5 0.0446
c010b270 handle_IRQ_event 5 0.0521
c011d680 add_wait_queue 5 0.0347
c01197d0 kunmap_atomic 10 0.0893
c011d7a0 remove_wait_queue 10 0.0781
c011fb10 do_syslog 10 0.0079
c011b440 __wake_up 46 0.2396
c0109307 syscall_exit 55 5.0000
c011d4e0 __might_sleep 104 1.0833
c01092d0 system_call 180 4.0909
c01280c0 run_timer_softirq 323 0.6309
c011c910 io_schedule 324 5.0625
c01275b0 add_timer 334 1.4911
c0123d60 current_kernel_time 608 7.6000
c0123e00 do_softirq 782 3.7596
c011ae80 schedule 2205 1.6406
00000000 total 5044 0.0310

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SysRq : Show State

sibling
task PC pid father child younger older
init S C3856B00 1 0 2 (NOTLB)
Call Trace:
[<c0127659>] add_timer+0xa9/0xe0
[<c0128529>] schedule_timeout+0x99/0xc0
[<c0128480>] process_timeout+0x0/0x10
[<c01686a7>] do_select+0x247/0x280
[<c01682e0>] __pollwait+0x0/0xa0
[<c0168a29>] sys_select+0x319/0x470
[<c015f7b2>] sys_stat64+0x22/0x30
[<c0109303>] syscall_call+0x7/0xb

migration/0 S F7F89FB8 2 1 3 (L-TLB)
Call Trace:
[<c011b610>] complete+0x50/0x90
[<c011d081>] migration_thread+0x121/0x4e0
[<c010932a>] work_resched+0x5/0x16
[<c011cf60>] migration_thread+0x0/0x4e0
[<c0107155>] kernel_thread_helper+0x5/0x10

ksoftirqd/0 R 00000001 3 1 4 2 (L-TLB)
Call Trace:
[<c01243b5>] ksoftirqd+0x85/0xe0
[<c0124330>] ksoftirqd+0x0/0xe0
[<c0107155>] kernel_thread_helper+0x5/0x10

migration/1 S 00000001 4 1 5 3 (L-TLB)
Call Trace:
[<c011d081>] migration_thread+0x121/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c0107155>] kernel_thread_helper+0x5/0x10

ksoftirqd/1 R 00000001 5 1 6 4 (L-TLB)
Call Trace:
[<c01243b5>] ksoftirqd+0x85/0xe0
[<c0124330>] ksoftirqd+0x0/0xe0
[<c0107155>] kernel_thread_helper+0x5/0x10

migration/2 S 00000001 6 1 7 5 (L-TLB)
Call Trace:
[<c011d081>] migration_thread+0x121/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c0107155>] kernel_thread_helper+0x5/0x10

ksoftirqd/2 R 00000001 7 1 8 6 (L-TLB)
Call Trace:
[<c01243b5>] ksoftirqd+0x85/0xe0
[<c0124330>] ksoftirqd+0x0/0xe0
[<c0107155>] kernel_thread_helper+0x5/0x10

migration/3 S 00000001 8 1 9 7 (L-TLB)
Call Trace:
[<c011d081>] migration_thread+0x121/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c0107155>] kernel_thread_helper+0x5/0x10

ksoftirqd/3 R 00000001 9 1 10 8 (L-TLB)
Call Trace:
[<c01243b5>] ksoftirqd+0x85/0xe0
[<c0124330>] ksoftirqd+0x0/0xe0
[<c0107155>] kernel_thread_helper+0x5/0x10

migration/4 S 00000001 10 1 11 9 (L-TLB)
Call Trace:
[<c011d081>] migration_thread+0x121/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c0107155>] kernel_thread_helper+0x5/0x10

ksoftirqd/4 R 00000001 11 1 12 10 (L-TLB)
Call Trace:
[<c01243b5>] ksoftirqd+0x85/0xe0
[<c0124330>] ksoftirqd+0x0/0xe0
[<c0107155>] kernel_thread_helper+0x5/0x10

migration/5 S 00000001 12 1 13 11 (L-TLB)
Call Trace:
[<c011d081>] migration_thread+0x121/0x4e0
[<c010932a>] work_resched+0x5/0x16
[<c011cf60>] migration_thread+0x0/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c0107155>] kernel_thread_helper+0x5/0x10

ksoftirqd/5 R 00000001 13 1 14 12 (L-TLB)
Call Trace:
[<c01243b5>] ksoftirqd+0x85/0xe0
[<c0124330>] ksoftirqd+0x0/0xe0
[<c0107155>] kernel_thread_helper+0x5/0x10

migration/6 S 00000001 14 1 15 13 (L-TLB)
Call Trace:
[<c011d081>] migration_thread+0x121/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c0107155>] kernel_thread_helper+0x5/0x10

ksoftirqd/6 R 00000001 15 1 16 14 (L-TLB)
Call Trace:
[<c01243b5>] ksoftirqd+0x85/0xe0
[<c0124330>] ksoftirqd+0x0/0xe0
[<c0107155>] kernel_thread_helper+0x5/0x10

migration/7 S 00000001 16 1 17 15 (L-TLB)
Call Trace:
[<c011d081>] migration_thread+0x121/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c011cf60>] migration_thread+0x0/0x4e0
[<c0107155>] kernel_thread_helper+0x5/0x10

ksoftirqd/7 R 00000001 17 1 18 16 (L-TLB)
Call Trace:
[<c01243b5>] ksoftirqd+0x85/0xe0
[<c0124330>] ksoftirqd+0x0/0xe0
[<c0107155>] kernel_thread_helper+0x5/0x10

events/0 S C011B4CA 18 1 19 17 (L-TLB)
Call Trace:
[<c011b4ca>] __wake_up+0x8a/0xc0
[<c012f48b>] worker_thread+0x13b/0x320
[<c021dfb0>] batch_entropy_process+0x0/0xb0
[<c011b3c0>] default_wake_function+0x0/0x20
[<c011b3c0>] default_wake_function+0x0/0x20
<4chedule_timeout+0x14/0xc0
[<c0218419>] tty_poll+0x79/0x90
[<c0335759>] sock_poll+0x19/0x20
[<c01686a7>] do_select+0x247/0x280
[<c01682e0>] __pollwait+0x0/0xa0
[<c0168a29>] sys_select+0x319/0x470
[<c011b267>] schedule+0x3e7/0x540
[<c0109303>] syscall_call+0x7/0xb

login S E6696000 9573 9572 9574 (NOTLB)
Call Trace:
[<c0122f77>] sys_wait4+0x237/0x270
[<c011b3c0>] default_wake_function+0x0/0x20
[<c011b267>] schedule+0x3e7/0x540
[<c011b3c0>] default_wake_function+0x0/0x20
[<c0109303>] syscall_call+0x7/0xb

bash S C0218A7F 9574 9573 9600 (NOTLB)
Call Trace:
[<c0218a7f>] tiocspgrp+0x6f/0x90
[<c0122f77>] sys_wait4+0x237/0x270
[<c011b3c0>] default_wake_function+0x0/0x20
[<c011b3c0>] default_wake_function+0x0/0x20
[<c0109303>] syscall_call+0x7/0xb

su S E663E000 9600 9574 9601 (NOTLB)
Call Trace:
[<c0122f77>] sys_wait4+0x237/0x270
[<c011b3c0>] default_wake_function+0x0/0x20
[<c011b3c0>] default_wake_function+0x0/0x20
[<c0109303>] syscall_call+0x7/0xb

bash S C0218A7F 9601 9600 14110 (NOTLB)
Call Trace:
[<c0218a7f>] tiocspgrp+0x6f/0x90
[<c0122f77>] sys_wait4+0x237/0x270
[<c011b3c0>] default_wake_function+0x0/0x20
[<c011b3c0>] default_wake_function+0x0/0x20
[<c0109303>] syscall_call+0x7/0xb

io R FFFFFFEF 13898 1 13899 8965 (NOTLB)
Call Trace:
[<c013fda6>] kfree+0x246/0x2a0
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 13899 1 13900 13898 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io D 00000000 13900 1 13901 13899 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c01282fe>] do_timer+0x2e/0xc0
[<c010fa00>] timer_interrupt+0x110/0x1f0
[<c010b2aa>] handle_IRQ_event+0x3a/0x60
[<c0155dba>] vfs_read+0xaa/0xe0
[<c0109c70>] common_interrupt+0x18/0x20
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 13947 1 13948 13946 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 13948 1 13949 13947 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 13949 1 13950 13948 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0171ea4>] dnotify_parent+0xf4/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 13950 1 13951 13949 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c01282fe>] do_timer+0x2e/0xc0
[<c010fa00>] timer_interrupt+0x110/0x1f0
[<c0127f56>] update_wall_time+0x16/0x50
[<c01282fe>] do_timer+0x2e/0xc0
[<c010fa00>] timer_interrupt+0x110/0x1f0
[<c010b62c>] do_IRQ+0x17c/0x1f0
[<c0155dba>] vfs_read+0xaa/0xe0
[<c010b2a57cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 13994 1 13995 13993 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 13995 1 13996 13994 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 13996 1 13997 13995 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0171e0e>] dnotify_parent+0x5e/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 13997 1 13998 13996 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>]0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155dba>] vfs_read+0xaa/0xe0
[<c015007b>] shmem_fill_super+0x13b/0x160
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R FFFFFFEF 14039 1 14040 14038 (NOTLB)
Call Trace:
[<c02570e6>] generic_unplug_device+0xc6/0xd0
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0138968>] generic_file_read+0x78/0xa0
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c01388f0>] generic_file_read+0x0/0xa0
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c01388f0>] generic_file_read+0x0/0xa0
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14040 1 14041 14039 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e81>] dio_await_one+0xb1/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io D 00000000 14041 1 14042 14040 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io D FFFFFFEF 14042 1 14043 14041 (NOTLB)
Call Trace:
[<c02570e6>] generic_unplug_device+0xc6/0xd0
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c011525a>] smp_apic_timer_xt2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R FFFFFFEF 14068 1 14069 14067 (NOTLB)
Call Trace:
[<c02570e6>] generic_unplug_device+0xc6/0xd0
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155dba>] vfs_read+0xaa/0xe0
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14069 1 14070 14068 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14070 1 14071 14069 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14071 1 14072 14070 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c0155dba>] vfs_read+0xaa/0xe0
[<c015007b>] shmem_fill_super+0x13b/0x160
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R FFFFFFEF 14072 1 14073 14071 (NOTLB)
Call Trace:
[<c02570e6>] generic_unplug_device+0xc6/0xd0
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14073 1 14074 14072 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0171df4>] dnotify_parent+0x44/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14074 1 14075 14073 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0293614>] scsi_end_request+0xe4/0xf0
[<c0138968>] generic_file_read+0x78/0xa0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c0109c92>] reschedule_interrupt+0x1a/0x20
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14075 1 14076 14074 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c012f230>] delayed_work_timer_fn+0x0/0xa0
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0171e0e>] dnotify_parent+0x5e/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14076 1 14077 14075 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14077 1 14078 14076 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14078 1 14079 14077 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c015007b>] shmem_fill_super+0x13b/0x160
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14079 1 14080 14078 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14080 1 14081 14079 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c011007b>] sys_ipc+0x3b/0x1f0
[<c0171df4>] dnotify_parent+0x44/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io D 00000000 14081 1 14082 14080 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io D 00000000 14082 1 14083 14081 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0138968>] generic_file_read+0x78/0xa0
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c011b4ca>] __wake_up+0x8a/0xc0
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14083 1 14084 14082 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c01388f0>] generic_file_read+0x0/0xa0
[<c01388f1>] generic_file_read+0x1/0xa0
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14084 1 14085 14083 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14085 1 14086 14084 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0138968>] generic_file_read+0x78/0xa0
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0155dba>] vfs_read+0xaa/0xe0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io D 00000000 14086 1 14087 14085 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14087 1 14088 14086 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0293614>] scsi_end_request+0xe4/0xf0
[<c0138968>] generic_file_read+0x78/0xa0
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R FFFFFFEF 14088 1 14089 14087 (NOTLB)
Call Trace:
[<c02570e6>] generic_unplug_device+0xc6/0xd0
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0171e08>] dnotify_parent+0x58/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14089 1 14090 14088 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14090 1 14091 14089 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c029007b>] ioctl_probe+0x5b/0xa0
[<c0138968>] generic_file_read+0x78/0xa0
[<c01282fe>] do_timer+0x2e/0xc0
[<c010b2aa>] handle_IRQ_event+0x3a/0x60
[<c010b5c2>] do_IRQ+0x112/0x1f0
[<c010b62c>] do_IRQ+0x17c/0x1f0
[<c0109c70>] common_interrupt+0x18/0x20
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14091 1 14092 14090 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c013888f>] __generic_file_aio_read+0x1cf/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14092 1 14093 14091 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c01388f0>] generic_file_read+0x0/0xa0
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c01388f0>] generic_file_read+0x0/0xa0
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14093 1 14094 14092 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c02589b9>] submit_bio+0x79/0x90
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0171dc6>] dnotify_parent+0x16/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14094 1 14095 14093 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14095 1 14096 14094 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io D 00000000 14096 1 14097 14095 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0138968>] generic_file_read+0x78/0xa0
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14097 1 14096 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0171e0e>] dnotify_parent+0x5e/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

ps R ED34E084 14110 9601 (NOTLB)
Call Trace:
[<c010932a>] work_resched+0x5/0x16

prof S EBECE000 14111 1108 14112 14113 (NOTLB)
Call Trace:
[<c0122f77>] sys_wait4+0x237/0x270
[<c011b3c0>] default_wake_function+0x0/0x20
[<c011b3c0>] default_wake_function+0x0/0x20
[<c0109303>] syscall_call+0x7/0xb

prof R C013D50E 14112 14111 (NOTLB)
Call Trace:
[<c013d50e>] do_page_cache_readahead+0x16e/0x1b0
[<c011c93b>] io_schedule+0x2b/0x40
[<c0137e95>] __lock_page+0xb5/0xe0
[<c011da10>] autoremove_wake_function+0x0/0x40
[<c013d637>] page_cache_readahead+0xe7/0x160
[<c011da10>] autoremove_wake_function+0x0/0x40
[<c01383df>] do_generic_mapping_read+0x19f/0x3b0
[<c01385f0>] file_read_actor+0x0/0xd0
[<c0138875>] __generic_file_aio_read+0x1b5/0x1e0
[<c01385f0>] file_read_actor+0x0/0xd0
[<c01388e8>] generic_file_aio_read+0x48/0x50
[<c0155cde>] do_sync_read+0x7e/0xb0
[<c013dc59>] check_poison_obj+0x39/0x190
[<c013f614>] kmem_cache_alloc+0xa4/0x150
[<c013ec2a>] cache_grow+0x22a/0x340
[<c013f6aa>] kmem_cache_alloc+0x13a/0x150
[<c0155dba>] vfs_read+0xaa/0xe0
[<c013f6aa>] kmem_cache_alloc+0x13a/0x150
[<c0118830>] pgd_alloc+0x10/0x20
[<c013dc59>] check_poison_obj+0x39/0x190
[<c016043d>] kernel_read+0x3d/0x50
[<c0161222>] prepare_binprm+0xc2/0xd0
[<c015fd64>] count+0x34/0x50
[<c016176c>] do_execve+0x10c/0x200
[<c0162eee>] getname+0x5e/0xa0
[<c0107940>] sys_execve+0x30/0x70
[<c0109303>] syscall_call+0x7/0xb

cat R ED3FC084 14113 1108 14111 (NOTLB)
Call Trace:
[<c01188b0>] do_page_fault+0x0/0x41e
[<c010932a>] work_resched+0x5/0x16

crond S C02081D0 14114 910 14115 (NOTLB)
Call Trace:
[<c02081d0>] rb_insert_color+0x70/0xf0
[<c0162028>] pipe_wait+0x98/0xd0
[<c011da10>] autoremove_wake_function+0x0/0x40
[<c011da10>] autoremove_wake_function+0x0/0x40
[<c0148c35>] do_mmap_pgoff+0x495/0x5f0
[<c0162248>] pipe_read+0x1e8/0x260
[<c0155dba>] vfs_read+0xaa/0xe0
[<c0155bf7>] sys_llseek+0x67/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

sa1 R 40017000 14115 14114 (NOTLB)
Call Trace:
[<c010932a>] work_resched+0x5/0x16

atkbd.c: Unknown key (set 2, scancode 0x1b7, on isa0060/serio0) pressed.
rect_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0171df4>] dnotify_parent+0x44/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14064 1 14065 14063 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c017007b>] igrab+0x2b/0xa0
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14065 1 14066 14064 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 0804B000 14066 1 14067 14065 (NOTLB)
Call Trace:
[<c010932a>] work_resched+0x5/0x16

io R 00000000 14067 1 14068 14066 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14068 1 14069 14067 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14069 1 14070 14068 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c015007b>] shmem_fill_super+0x13b/0x160
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14070 1 14071 14069 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0138968>] generic_file_read+0x78/0xa0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14071 1 14072 14070 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R FFFFFFEF 14072 1 14073 14071 (NOTLB)
Call Trace:
[<c02570e6>] generic_unplug_device+0xc6/0xd0
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0293614>] scsi_end_request+0xe4/0xf0
[<c0138968>] generic_file_read+0x78/0xa0
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io D 00000000 14073 1 14074 14072 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c015007b>] shmem_fill_super+0x13b/0x160
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14074 1 14075 14073 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c011007b>] sys_ipc+0x3b/0x1f0
[<c0171df4>] dnotify_parent+0x44/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14075 1 14076 14074 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R FFFFFFEF 14076 1 14077 14075 (NOTLB)
Call Trace:
[<c02570e6>] generic_unplug_device+0xc6/0xd0
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155dba>] vfs_read+0xaa/0xe0
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14077 1 14078 14076 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0109c92>] reschedule_interrupt+0x1a/0x20
[<c028007b>] show_driver+0x1b/0x30
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14078 1 14079 14077 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14079 1 14080 14078 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 0804B000 14080 1 14081 14079 (NOTLB)
Call Trace:
[<c010932a>] work_resched+0x5/0x16

io R 00000000 14081 1 14082 14080 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io D 00000000 14082 1 14083 14081 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c011007b>] sys_ipc+0x3b/0x1f0
[<c0171e94>] dnotify_parent+0xe4/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 0804B000 14083 1 14084 14082 (NOTLB)
Call Trace:
[<c010932a>] work_resched+0x5/0x16

io R 00000000 14084 1 14085 14083 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14085 1 14086 14084 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c01282fe>] do_timer+0x2e/0xc0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14086 1 14087 14085 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14087 1 14088 14086 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179b85>] direct_io_worker+0x265/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14088 1 14089 14087 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0293614>] scsi_end_request+0xe4/0xf0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14089 1 14090 14088 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14090 1 14091 14089 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c0127f56>] update_wall_time+0x16/0x50
[<c01282fe>] do_timer+0x2e/0xc0
[<c010fa00>] timer_interrupt+0x110/0x1f0
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0171e05>] dnotify_parent+0x55/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c0109c70>] common_interrupt+0x18/0x20
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14091 1 14092 14090 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14092 1 14093 14091 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R FFFFFFEF 14093 1 14094 14092 (NOTLB)
Call Trace:
[<c02570e6>] generic_unplug_device+0xc6/0xd0
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14094 1 14095 14093 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c02939bb>] scsi_io_completion+0x1eb/0x420
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c028e5e2>] scsi_finish_command+0x82/0x90
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14095 1 14096 14094 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0171e77>] dnotify_parent+0xc7/0x100
[<c0155dba>] vfs_read+0xaa/0xe0
[<c011b267>] schedule+0x3e7/0x540
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14096 1 14097 14095 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c028e4e6>] scsi_softirq+0xb6/0x100
[<c0123e6b>] do_softirq+0x6b/0xd0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

io R 00000000 14097 1 14096 (NOTLB)
Call Trace:
[<c011c93b>] io_schedule+0x2b/0x40
[<c0178e86>] dio_await_one+0xb6/0x170
[<c017902d>] dio_await_completion+0x1d/0x40
[<c0179bfe>] direct_io_worker+0x2de/0x350
[<c0179da9>] blockdev_direct_IO+0x139/0x14c
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c01a7347>] ext2_direct_IO+0x47/0x50
[<c01a72c0>] ext2_get_blocks+0x0/0x40
[<c013a0fc>] generic_file_direct_IO+0x5c/0x80
[<c013878b>] __generic_file_aio_read+0xcb/0x1e0
[<c0138968>] generic_file_read+0x78/0xa0
[<c011525a>] smp_apic_timer_interrupt+0x14a/0x160
[<c02bbd93>] sd_rw_intr+0x1f3/0x200
[<c0109cf2>] apic_timer_interrupt+0x1a/0x20
[<c028007b>] show_driver+0x1b/0x30
[<c0138980>] generic_file_read+0x90/0xa0
[<c0155dba>] vfs_read+0xaa/0xe0
[<c01557cd>] generic_file_llseek+0x2d/0xd0
[<c01557a0>] generic_file_llseek+0x0/0xd0
[<c0155faa>] sys_read+0x2a/0x40
[<c0109303>] syscall_call+0x7/0xb

prof S EBECE000 14111 1108 14117 (NOTLB)
Call Trace:
[<c0122f77>] sys_wait4+0x237/0x270
[<c011b3c0>] default_wake_function+0x0/0x20
[<c011b3c0>] default_wake_function+0x0/0x20
[<c0109303>] syscall_call+0x7/0xb

prof R C38591A4 14117 14111 (NOTLB)
Call Trace:
[<c01382f4>] do_generic_mapping_read+0xb4/0x3b0
[<c01385f0>] file_read_actor+0x0/0xd0
[<c0138875>] __generic_file_aio_read+0x1b5/0x1e0
[<c01385f0>] file_read_actor+0x0/0xd0
[<c01388e8>] generic_file_aio_read+0x48/0x50
[<c0155cde>] do_sync_read+0x7e/0xb0
[<c0195ff9>] __ext3_journal_stop+0x19/0x40
[<c019262b>] ext3_dirty_inode+0x5b/0x70
[<c013dc59>] check_poison_obj+0x39/0x190
[<c013f6aa>] kmem_cache_alloc+0x13a/0x150
[<c0156a27>] get_empty_filp+0x47/0xe0
[<c0164020>] link_path_walk+0x850/0xa30
[<c0155dba>] vfs_read+0xaa/0xe0
[<c016043d>] kernel_read+0x3d/0x50
[<c0180662>] load_elf_binary+0x2c2/0xa10
[<c0256ee0>] blk_plug_device+0xc0/0x100
[<c0293f8f>] scsi_request_fn+0x12f/0x280
[<c01443e0>] page_address+0x50/0xf0
[<c01443e0>] page_address+0x50/0xf0
[<c0143ade>] kmap_high+0x4e/0x280
[<c0143d5e>] kunmap_high+0x4e/0xf0
[<c01614e9>] search_binary_handler+0xb9/0x230
[<c015fff7>] copy_strings_kernel+0x27/0x30
[<c01617df>] do_execve+0x17f/0x200
[<c0162eee>] getname+0x5e/0xa0
[<c0107940>] sys_execve+0x30/0x70
[<c0109303>] syscall_call+0x7/0xb

--------------Boundary-00=_D7UZPB6981S3MHZUZOYK--

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