Hi,
I recently experienced a hard lock while burning a cd. I was able to=20
reproduce it with kernel 2.4.17, 2.4.18 and 2.4.19-pre2, other versions=20
untested. A friend of my mine could crash his machine, too, even though=20
his hardware is completely different.
It always happened when fixation or blanking of a CDRW finished while=20
trying to read from my DVD drive.
I've attached the OOPS output (processed by ksymoops) and a shell=20
script to reproduce the problem. However this only happened with the=20
following setup (and similar):
- DVD drive is master, CD burner is slave on the same IDE channel
- both drives operate in SCSI-emulation (!important!)
- DMA is on (both drives)
Deactivating DMA for the CD burner or using the DVD drive as an ATAPI=20
device keeps the computer alive. But the DVD drive still doesn't read=20
while fixation/blanking is done (causing a DMA timeout on the DVD=20
drive).
Namely, I got the following warnings/errors:
scsi : aborting command due to timeout : pid 9349, scsi0, channel 0, id=20
0, lun 0
Read (10) 00 00 00 41 61 00 00 01 00
(two more similar messages)
hdc: timeout waiting for DMA
ide_dmaproc: chipset supported ide_dma_timeout func only: 14
hdc: status error: status=3D0x68 { DriveReady DeviceFault DataRequest }
hdc: drive not ready for command
hdc: ATAPI reset complete
hdc: irq timeout: status=3D0xc0 { Busy }
hdc: ATAPI reset complete
hdc: irq timeout: status=3D0xc0 { Busy }
After a few seconds the kernel said oops:
-----------------------------------------------------------------------
ksymoops 2.4.3 on i686 2.4.18. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.18/ (default)
-m /boot/System.map-2.4.18 (default)
Warning: You did not tell me where to find symbol information. I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.
Unable to handle kernel paging request at virtual address ef84a752
c020d0c1
*pde =3D 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c020d0c1>] Tainted: P
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010002
eax: ef84a5d2 ebx: cd602e40 ecx: 00000000 edx: cd602e40
esi: c0362210 edi: 000000c0 ebp: c6e3c000 esp: c0303ebc
ds: 0018 es: 0018 ss: 0018
Process swapper (pid: 0, stackpage=3Dc0303000)
Stack: cd602e40 c0362210 000000c0 c03621d0 000000c0 00000000 cd602e40=20
cff75900
c0362210 c01f6002 00000000 c142d680 c0362110 c142d680 c020d2d0=20
000000c0
c01f6c00 c0362210 c02b8ba2 000000c0 c142d680 c01f6a70 00000000=20
c033a280
Call Trace: [<c01f6002>] [<c020d2d0>] [<c01f6c00>] [<c01f6a70>]=20
[<c011c2b2>]
[<c011c32f>] [<c010acc6>] [<c011931a>] [<c0119420>] [<c011904a>]=20
[<c010812d>]
[<c010a068>] [<c0105193>] [<c0110895>] [<c0110790>] [<c0105170>]=20
[<c0105202>]
[<c0105000>] [<c0105027>]
Code: c7 80 80 01 00 00 00 00 07 00 83 7c 24 14 00 0f 84 9f 01 00
>>EIP; c020d0c0 <idescsi_end_request+70/280> <=3D=3D=3D=3D=3D
Trace; c01f6002 <ide_error+122/170>
Trace; c020d2d0 <idescsi_pc_intr+0/240>
Trace; c01f6c00 <ide_timer_expiry+190/1e0>
Trace; c01f6a70 <ide_timer_expiry+0/1e0>
Trace; c011c2b2 <timer_bh+222/260>
Trace; c011c32e <do_timer+3e/70>
Trace; c010acc6 <timer_interrupt+66/120>
Trace; c011931a <bh_action+1a/50>
Trace; c0119420 <ksoftirqd+20/b0>
Trace; c011904a <do_softirq+5a/b0>
Trace; c010812c <do_IRQ+9c/b0>
Trace; c010a068 <call_do_IRQ+6/e>
Trace; c0105192 <default_idle+22/30>
Trace; c0110894 <apm_cpu_idle+104/140>
Trace; c0110790 <apm_cpu_idle+0/140>
Trace; c0105170 <default_idle+0/30>
Trace; c0105202 <cpu_idle+42/60>
Trace; c0105000 <_stext+0/0>
Trace; c0105026 <rest_init+26/30>
Code; c020d0c0 <idescsi_end_request+70/280>
00000000 <_EIP>:
Code; c020d0c0 <idescsi_end_request+70/280> <=3D=3D=3D=3D=3D
0: c7 80 80 01 00 00 00 movl $0x70000,0x180(%eax) <=3D=3D=3D=
=3D=3D
Code; c020d0c6 <idescsi_end_request+76/280>
7: 00 07 00
Code; c020d0ca <idescsi_end_request+7a/280>
a: 83 7c 24 14 00 cmpl $0x0,0x14(%esp,1)
Code; c020d0ce <idescsi_end_request+7e/280>
f: 0f 84 9f 01 00 00 je 1b4 <_EIP+0x1b4> c020d274=20
<idescsi_end_request+224/280>
<0>Kernel panic: Aiee, killing interrupt handler!
1 warning issued. Results may not be reliable.
-----------------------------------------------------------------------
I'm using the hardware/software:
--------------------------------
AMD Athlon on AMD Irongate chipset
Pioneer DVD-ROM ATAPIModel DVD-114 0110 (hdc alias scd0)
SONY CD-RW CRX140E (hdd alias scd1)
Linux 2.4.18 (whith crypto patch)
cdrecord 1.10
Greetings,
Carsten
PS: Could you please CC all following messages to me: cw.news@gmx.net
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