http://bugzilla.kernel.org/show_bug.cgi?id=6669
Summary: EIP is at clear_inode+0x89/0x11a
Kernel Version: 2.6.17-rc3-git9
Status: NEW
Severity: normal
Owner: xfs-masters@xxxxxxxxxxx
Submitter: ralf.hildebrandt@xxxxxxxxxx
Most recent kernel where this bug did not occur:
Distribution: Debian/unstable
Hardware Environment:
Software Environment:
Problem Description:
# uname -a
Linux postamt.charite.de 2.6.17-rc3-git9 #1 SMP Thu May 4 16:23:26
CEST 2006 i686 GNU/Linux
from dmesg output
BUG: unable to handle kernel NULL pointer dereference at virtual address
0000003c
printing eip:
c106bd20
*pde = 00000000
Oops: 0000 [#1]
SMP
Modules linked in: tg3 dm_mod aic7xxx rtc
CPU: 1
EIP: 0060:[<c106bd20>] Not tainted VLI
EFLAGS: 00010286 (2.6.17-rc3-git9 #1)
EIP is at clear_inode+0x89/0x11a
eax: 00000000 ebx: c53652f8 ecx: db28edd0 edx: 00000000
esi: c536546c edi: 00000030 ebp: 00000080 esp: c2d1cef0
ds: 007b es: 007b ss: 0068
Process kswapd0 (pid: 129, threadinfo=c2d1c000 task=c2d1a580)
Stack: <0>f7994d28 c53652f8 f7994d28 c106c3d6 c53652f8 c39b6d94 c106b3f6
c39b6dbc
c106a2b1 0004bfa0 c1327500 00000129 0001c207 c106a30c c10405f1 c181bb80
c191e8c0 c14e24a0 00000159 00000000 00000100 000000d0 00000064 c1263180
Call Trace:
<c106c3d6> generic_drop_inode+0x11f/0x140 <c106b3f6> iput+0x5d/0x69
<c106a2b1> prune_dcache+0xf0/0x114 <c106a30c>
shrink_dcache_memory+0x37/0x3d
<c10405f1> shrink_slab+0x111/0x187 <c10418f9> balance_pgdat+0x20e/0x3bc
<c1041b84> kswapd+0xdd/0x128 <c102bd74> autoremove_wake_function+0x0/0x37
<c1041aa7> kswapd+0x0/0x128 <c1000dd5> kernel_thread_helper+0x5/0xb
Code: 8b 72 04 85 f6 74 1d 31 d2 8b 8c 93 18 01 00 00 85 c9 75 71 83 c2 01 83
fa 02 74 08 eb eb 8b 83 b8 00 00 00 85
c0 74 0e 8b 40 20 <8b> 50 3c 85 d2 74 04 89 d8 ff d2 8b 83 2c 01 00 00 85 c0
74 07
EIP: [<c106bd20>] clear_inode+0x89/0x11a SS:ESP 0068:c2d1cef0
# mount
/dev/cciss/c0d0p6 on / type ext3 (rw,errors=panic)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
tmpfs on /dev/shm type tmpfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
/dev/cciss/c0d0p5 on /boot type ext3 (rw)
/dev/sda5 on /home type ext3 (rw,noatime,quota)
# ps auxwww|grep kswap
root 30024 0.0 0.0 1664 528 pts/3 S+ 14:48 0:00 grep kswap
Steps to reproduce:
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