BUG in 2.4.1 (dcache.c)

Arthur Pedyczak (arthur-p@home.com)
Thu, 01 Feb 2001 08:10:37 -0500


Hi all,
After 1 day of running, 2.4.1 produced 'kernel BUG at dcache.c:134!' and
Oops
during regular RedHat cron job
(tmpwatch + slocate):

Feb 1 04:27:21 cs865114-a kernel: kernel BUG at dcache.c:134!
Feb 1 04:27:21 cs865114-a kernel: invalid operand: 0000
Feb 1 04:27:21 cs865114-a kernel: CPU: 0
Feb 1 04:27:21 cs865114-a kernel: EIP: 0010:[dput+57/324]
Feb 1 04:27:21 cs865114-a kernel: EFLAGS: 00010286
Feb 1 04:27:21 cs865114-a kernel: eax: 0000001c ebx: caa59140 ecx:
c9260000 edx: 00000000
Feb 1 04:27:21 cs865114-a kernel: esi: caa59160 edi: 00000000 ebp:
00000001 esp: c9261f2c
Feb 1 04:27:21 cs865114-a kernel: ds: 0018 es: 0018 ss: 0018
Feb 1 04:27:21 cs865114-a kernel: Process rmdir (pid: 5391,
stackpage=c9261000)
Feb 1 04:27:21 cs865114-a kernel: Stack: c02095e5 c0209665 00000086
caa59140 d16155c0 c0140bd9 caa59140 c9b5d3e0
Feb 1 04:27:21 cs865114-a kernel: d7c296b0 c9b5d3e0 d7c29640
c0140e2d 00000001 c9b5d3e0 c013ae27 c9b5d3e0
Feb 1 04:27:21 cs865114-a kernel: cb6bb4f0 c013af61 c9b5d3e0
c9b5d3e0 c9b5d3e0 d7b93000 c9261fa4 c013b0af
Feb 1 04:27:21 cs865114-a kernel: Call Trace: [prune_dcache+297/328]
[shrink_dcache_parent+13/32] [d_unhash+55/88] [vfs_rmdir+281/428]
[sys_rmdir+187/252] [system_call+51/56]
Feb 1 04:27:21 cs865114-a kernel:
Feb 1 04:27:21 cs865114-a kernel: Code: 0f 0b 83 c4 0c 89 f6 8b 43 50
85 c0 74 11 8b 40 0c 85 c0 74
Feb 1 04:27:25 cs865114-a kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000023
Feb 1 04:27:25 cs865114-a kernel: printing eip:
Feb 1 04:27:25 cs865114-a kernel: c014211c
Feb 1 04:27:25 cs865114-a kernel: *pde = 00000000
Feb 1 04:27:25 cs865114-a kernel: Oops: 0000
Feb 1 04:27:25 cs865114-a kernel: CPU: 0
Feb 1 04:27:25 cs865114-a kernel: EIP: 0010:[find_inode+28/72]
Feb 1 04:27:25 cs865114-a kernel: EFLAGS: 00010203
Feb 1 04:27:25 cs865114-a kernel: eax: 00000000 ebx: 00000003 ecx:
0000001e edx: 0000749e
Feb 1 04:27:25 cs865114-a kernel: esi: 00000003 edi: 00000000 ebp:
00008205 esp: d5001ebc
Feb 1 04:27:25 cs865114-a kernel: ds: 0018 es: 0018 ss: 0018
Feb 1 04:27:25 cs865114-a kernel: Process slocate (pid: 5398,
stackpage=d5001000)
Feb 1 04:27:25 cs865114-a kernel: Stack: 00008205 d7fba4f0 00008205
d79ce400 c01424e1 d79ce400 00008205 d7fba4f0
Feb 1 04:27:25 cs865114-a kernel: 00000000 00000000 00008205
c1c4de60 d7a31420 d784c0a0 c014e04b d79ce400
Feb 1 04:27:25 cs865114-a kernel: 00008205 00000000 00000000
fffffff4 d7a31420 c1c4de60 cfdaf114 c013967b
Feb 1 04:27:25 cs865114-a kernel: Call Trace: [iget4+69/204]
[ext2_lookup+95/140] [real_lookup+83/196] [path_walk+1381/1964]
[getname+90/152] [__user_walk+60/88] [sys_newlstat+22/112]
Feb 1 04:27:25 cs865114-a kernel: [system_call+51/56]
Feb 1 04:27:25 cs865114-a kernel:
Feb 1 04:27:25 cs865114-a kernel: Code: 39 6e 20 75 ef 8b 44 24 14 39
86 8c 00 00 00 75 e3 85 ff 74

ksymoops output:
=================
ksymoops 2.3.4 on i686 2.4.1. Options used
-v /usr/src/linux/vmlinux (specified)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.1/ (default)
-m /usr/src/linux/System.map (specified)

Feb 1 04:27:21 cs865114-a kernel: invalid operand: 0000
Feb 1 04:27:21 cs865114-a kernel: CPU: 0
Feb 1 04:27:21 cs865114-a kernel: EIP: 0010:[dput+57/324]
Feb 1 04:27:21 cs865114-a kernel: EFLAGS: 00010286
Feb 1 04:27:21 cs865114-a kernel: eax: 0000001c ebx: caa59140 ecx:
c9260000 edx: 00000000
Feb 1 04:27:21 cs865114-a kernel: esi: caa59160 edi: 00000000 ebp:
00000001 esp: c9261f2c
Feb 1 04:27:21 cs865114-a kernel: ds: 0018 es: 0018 ss: 0018
Feb 1 04:27:21 cs865114-a kernel: Process rmdir (pid: 5391,
stackpage=c9261000)
Feb 1 04:27:21 cs865114-a kernel: Stack: c02095e5 c0209665 00000086
caa59140 d16155c0 c0140bd9 caa59140 c9b5d3e0
Feb 1 04:27:21 cs865114-a kernel: d7c296b0 c9b5d3e0 d7c29640
c0140e2d 00000001 c9b5d3e0 c013ae27 c9b5d3e0
Feb 1 04:27:21 cs865114-a kernel: cb6bb4f0 c013af61 c9b5d3e0
c9b5d3e0 c9b5d3e0 d7b93000 c9261fa4 c013b0af
Feb 1 04:27:21 cs865114-a kernel: Call Trace: [prune_dcache+297/328]
[shrink_dcache_parent+13/32] [d_unhash+55/88] [vfs_rmdir+281/428]
[sys_rmdir+187/252] [system_call+51/56]
Feb 1 04:27:21 cs865114-a kernel: Code: 0f 0b 83 c4 0c 89 f6 8b 43 50
85 c0 74 11 8b 40 0c 85 c0 74
Using defaults from ksymoops -t elf32-i386 -a i386
Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 0f 0b ud2a
Code; 00000002 Before first symbol
2: 83 c4 0c add $0xc,%esp
Code; 00000005 Before first symbol
5: 89 f6 mov %esi,%esi
Code; 00000007 Before first symbol
7: 8b 43 50 mov 0x50(%ebx),%eax
Code; 0000000a Before first symbol
a: 85 c0 test %eax,%eax
Code; 0000000c Before first symbol
c: 74 11 je 1f <_EIP+0x1f> 0000001f Before
first symbolCode; 0000000e Before first symbol
e: 8b 40 0c mov 0xc(%eax),%eax
Code; 00000011 Before first symbol
11: 85 c0 test %eax,%eax
Code; 00000013 Before first symbol
13: 74 00 je 15 <_EIP+0x15> 00000015 Before
first symbol
Feb 1 04:27:25 cs865114-a kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000023
Feb 1 04:27:25 cs865114-a kernel: c014211c
Feb 1 04:27:25 cs865114-a kernel: *pde = 00000000
Feb 1 04:27:25 cs865114-a kernel: Oops: 0000
Feb 1 04:27:25 cs865114-a kernel: CPU: 0
Feb 1 04:27:25 cs865114-a kernel: EIP: 0010:[find_inode+28/72]
Feb 1 04:27:25 cs865114-a kernel: EFLAGS: 00010203
Feb 1 04:27:25 cs865114-a kernel: eax: 00000000 ebx: 00000003 ecx:
0000001e edx: 0000749e
Feb 1 04:27:25 cs865114-a kernel: esi: 00000003 edi: 00000000 ebp:
00008205 esp: d5001ebc
Feb 1 04:27:25 cs865114-a kernel: ds: 0018 es: 0018 ss: 0018
Feb 1 04:27:25 cs865114-a kernel: Process slocate (pid: 5398,
stackpage=d5001000)
Feb 1 04:27:25 cs865114-a kernel: Stack: 00008205 d7fba4f0 00008205
d79ce400 c01424e1 d79ce400 00008205 d7fba4f0
Feb 1 04:27:25 cs865114-a kernel: 00000000 00000000 00008205
c1c4de60 d7a31420 d784c0a0 c014e04b d79ce400
Feb 1 04:27:25 cs865114-a kernel: 00008205 00000000 00000000
fffffff4 d7a31420 c1c4de60 cfdaf114 c013967b
Feb 1 04:27:25 cs865114-a kernel: Call Trace: [iget4+69/204]
[ext2_lookup+95/140] [real_lookup+83/196] [path_walk+1381/1964]
[getname+90/152] [__user_walk+60/88] [sys_newlstat+22/112]
Feb 1 04:27:25 cs865114-a kernel: Code: 39 6e 20 75 ef 8b 44 24 14 39
86 8c 00 00 00 75 e3 85 ff 74

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
0: 39 6e 20 cmp %ebp,0x20(%esi)
Code; 00000003 Before first symbol
3: 75 ef jne fffffff4 <_EIP+0xfffffff4>
fffffff4 <END_OF_CODE+2061ea35/????>
Code; 00000005 Before first symbol
5: 8b 44 24 14 mov 0x14(%esp,1),%eax
Code; 00000009 Before first symbol
9: 39 86 8c 00 00 00 cmp %eax,0x8c(%esi)
Code; 0000000f Before first symbol
f: 75 e3 jne fffffff4 <_EIP+0xfffffff4>
fffffff4 <END_OF_CODE+2061ea35/????>
Code; 00000011 Before first symbol
11: 85 ff test %edi,%edi
Code; 00000013 Before first symbol
13: 74 00 je 15 <_EIP+0x15> 00000015 Before
first symbol
==========================================================================================
My hardware:
PIII 450
motherboard: Asus P2B
384 MB RAM (no swap)
ide: PIIX4
ide0 hda: WDC AC313000R, ATA DISK drive
hdb: MATSHITA CR-589, ATAPI CDROM drive
ide1 hdc: WDC WD200BB-00AUA1, ATA DISK drive
hdd: MITSBICDRW4420a, ATAPI CDROM drive (ide-scsi)
graphics: Riva TNT2
sound: es1370
eth0 eepro100
eth1 3c59x
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