2.4.2-pre1: kernel oops during unmount

Dieter =?iso-8859-1?q?N=FCtzel?= (Dieter.Nuetzel@hamburg.de)
Thu, 8 Feb 2001 04:35:54 +0100


2.4.2-pre1 + ReiserFS 3.6.25 (included) + loop-4

ksymoops 2.3.7 on i686 2.4.2-pre1. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.2-pre1/ (default)
-m /boot/System.map (specified)

Unable to handle kernel NULL pointer dereference at virtual address
00000000
c0143023
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c0143023>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00013206
eax: c14d3e00 ebx: c81051c0 ecx: cfa3f000 edx: cf7f36c0
esi: 00000000 edi: 00000000 ebp: ce469f3c esp: ce469f04
ds: 0018 es: 0018 ss: 0018
Process umount (pid: 9117, stackpage=ce469000)
Stack: c14d3e00 ce469f3c ce469f3c c025d5b8 00000000 00000000 c01430d5
c025bf1c
c14d3e00 ce469f3c c14d3e00 cf9b32c0 c025d580 c025d5b8 ce469f3c
ce469f3c
c01354d3 c14d3e00 c14c0440 c14d3e00 00000000 bffff53c c0134839
c01358d1
Call Trace: [<c01430d5>] [<c01354d3>] [<c0134839>] [<c01358d1>]
[<c01359aa>] [<c0122fcb>] [<c01359eb>]
[<c0108fe7>]
Code: 8b 3f 3b 74 24 1c 74 65 8d 5e f8 8b 44 24 20 39 83 8c 00 00

>>EIP; c0143023 <invalidate_list+23/b0> <=====
Trace; c01430d5 <invalidate_inodes+25/60>
Trace; c01354d3 <kill_super+83/130>
Trace; c0134839 <remove_vfsmnt+89/90>
Trace; c01358d1 <do_umount+1c1/1d0>
Trace; c01359aa <sys_umount+ca/100>
Trace; c0122fcb <sys_munmap+2b/40>
Trace; c01359eb <sys_oldumount+b/10>
Trace; c0108fe7 <system_call+33/38>
Code; c0143023 <invalidate_list+23/b0>
00000000 <_EIP>:
Code; c0143023 <invalidate_list+23/b0> <=====
0: 8b 3f mov (%edi),%edi <=====
Code; c0143025 <invalidate_list+25/b0>
2: 3b 74 24 1c cmp 0x1c(%esp,1),%esi
Code; c0143029 <invalidate_list+29/b0>
6: 74 65 je 6d <_EIP+0x6d> c0143090
<invalidate_list+90/b0>
Code; c014302b <invalidate_list+2b/b0>
8: 8d 5e f8 lea 0xfffffff8(%esi),%ebx
Code; c014302e <invalidate_list+2e/b0>
b: 8b 44 24 20 mov 0x20(%esp,1),%eax
Code; c0143032 <invalidate_list+32/b0>
f: 39 83 8c 00 00 00 cmp %eax,0x8c(%ebx)

-- 
Dieter Nützel
Graduate Student, Computer Science

University of Hamburg Department of Computer Science Cognitive Systems Group Vogt-Kölln-Straße 30 D-22527 Hamburg, Germany

email: nuetzel@kogs.informatik.uni-hamburg.de @home: Dieter.Nuetzel@hamburg.de - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/