Hi folks!
After seeing the Oops below (and rebooting), I looked into /proc/ksyms
(because ksymoops complained about mismatches), and I could not find
system_call, do_page_fault, etc. Shouldn't they be there? When doing
ksymoops with /proc/ksyms I found recursive calling of do_brk, which
for sure is not the right thing.
The machine is a dual PII-450, kernel is 2.4.4 vanilla with Neil Brown's
knfsd-patch.
----------------------------------------------
ksymoops 2.4.0 on i686 2.4.4. Options used
-V (default)
-K (specified)
-l /proc/modules (default)
-o /lib/modules/2.4.4/ (default)
-m /usr/src/linux/System.map (specified)
No modules in ksyms, skipping objects
No ksyms, skipping lsmod
Oops: 0002
CPU: 0
EIP: 0010:[<c0124b96>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010246
eax: 00000000 ebx: c16d32f8 ecx: c16d32f8 edx: c023b0c0
esi: c16d32f8 edi: c5b556e4 ebp: 00000000 esp: c2dbded4
ds: 0018 es: 0018 ss: 0018
Process g++ (pid: 24364, stackpage=c2dbd000)
Stack: c16d32f8 c0124c06 c16d32f8 c16d32f8 c0124e6b c16d32f8 00000000 c2dbdf18
d38f71c0 dd7c5ba0 c015af38 dd7c5ba0 c2dbdf18 00000000 c5b556e4 c63dc140
c0124f27 00000000 c5b55640 c028ab40 df56fa20 c0149cf5 c5b556e4 00000000
Call Trace: [<c0124c06>] [<c0124e6b>] [<c015af38>] [<c0124f27>] [<c0149cf5>]
[<c0147e46>] [<c013e7d9>]
[<c0140c9a>] [<c013f9aa>] [<c0140d6a>] [<c0111ef0>] [<c0106edb>]
Code: ff 48 18 8b 53 04 8b 03 89 50 04 89 02 8b 43 10 c7 43 08 00
>>EIP; c0124b96 <__remove_inode_page+26/60> <=====
Trace; c0124c06 <remove_inode_page+36/40>
Trace; c0124e6b <truncate_list_pages+12b/1a0>
Trace; c015af38 <ext2_delete_entry+98/100>
Trace; c0124f27 <truncate_inode_pages+47/80>
Trace; c0149cf5 <iput+a5/170>
Trace; c0147e46 <d_delete+66/b0>
Trace; c013e7d9 <vfs_permission+89/120>
Trace; c0140c9a <vfs_unlink+17a/1b0>
Trace; c013f9aa <lookup_hash+4a/e0>
Trace; c0140d6a <sys_unlink+9a/110>
Trace; c0111ef0 <do_page_fault+0/470>
Trace; c0106edb <system_call+33/38>
Code; c0124b96 <__remove_inode_page+26/60>
00000000 <_EIP>:
Code; c0124b96 <__remove_inode_page+26/60> <=====
0: ff 48 18 decl 0x18(%eax) <=====
Code; c0124b99 <__remove_inode_page+29/60>
3: 8b 53 04 mov 0x4(%ebx),%edx
Code; c0124b9c <__remove_inode_page+2c/60>
6: 8b 03 mov (%ebx),%eax
Code; c0124b9e <__remove_inode_page+2e/60>
8: 89 50 04 mov %edx,0x4(%eax)
Code; c0124ba1 <__remove_inode_page+31/60>
b: 89 02 mov %eax,(%edx)
Code; c0124ba3 <__remove_inode_page+33/60>
d: 8b 43 10 mov 0x10(%ebx),%eax
Code; c0124ba6 <__remove_inode_page+36/60>
10: c7 43 08 00 00 00 00 movl $0x0,0x8(%ebx)
Ciao,
Roland
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