Hello.
1. drbd module 2.4.17
2. kernel 2.4.17 (1CPU/no highmem)
3.
...
EXT3-fs: mounted filesystem with ordered data mode.
Installing knfsd (copyright (C) 1996 [email protected]).
kernel BUG at slab.c:1200!
invalid operand: 0000
CPU: 0
EIP: 0010:[<c0126c71>] Not tainted
EFLAGS: 00010082
eax: 0000001b ebx: c180f2e0 ecx: c02ab200 edx: 00002df3
esi: 00000000 edi: de775974 ebp: de2f700d esp: ddc49ee8
ds: 0018 es: 0018 ss: 0018
Process exportfs (pid: 978, stackpage=ddc49000)
Stack: c0255c0c 000004b0 de775974 de2f700d de2f700d c180f2e0 c0127240 c180f2e0
de775974 de2f700d ddc49f8c ffffffd8 ddbec9d4 ddc49f84 de8da824 00001000
de2f700d 00000246 c0137973 c180f2e0 de2f700d ddc49f8c ddbec9d4 40139944
Call Trace: [<c0127240>] [<c0137973>] [<c012dc37>] [<c012df7c>] [<c0106d4b>]
Code: 0f 0b 83 c4 08 8b 5f 14 83 fb ff 74 23 89 f6 39 f3 75 14 68
<6>drbd0: Connection established. size=4194688 KB / blksize=4096 B
drbd0: predetermined states are in contradiction to GC's
drbd0: Synchronisation started blks=15 int=1
drbd1: Connection established. size=7034688 KB / blksize=4096 B
drbd1: predetermined states are in contradiction to GC's
drbd1: Synchronisation started blks=15 int=1
...
4. ksymoops:
...
kernel BUG at slab.c:1200!
invalid operand: 0000
CPU: 0
EIP: 0010:[<c0126c71>] Not tainted
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010082
eax: 0000001b ebx: c180f2e0 ecx: c02ab200 edx: 00002df3
esi: 00000000 edi: de775974 ebp: de2f700d esp: ddc49ee8
ds: 0018 es: 0018 ss: 0018
Process exportfs (pid: 978, stackpage=ddc49000)
Stack: c0255c0c 000004b0 de775974 de2f700d de2f700d c180f2e0 c0127240 c180f2e0
de775974 de2f700d ddc49f8c ffffffd8 ddbec9d4 ddc49f84 de8da824 00001000
de2f700d 00000246 c0137973 c180f2e0 de2f700d ddc49f8c ddbec9d4 40139944
Call Trace: [<c0127240>] [<c0137973>] [<c012dc37>] [<c012df7c>] [<c0106d4b>]
Code: 0f 0b 83 c4 08 8b 5f 14 83 fb ff 74 23 89 f6 39 f3 75 14 68
>>EIP; c0126c70 <kmem_extra_free_checks+50/88> <=====
Trace; c0127240 <kmem_cache_free+1d8/258>
Trace; c0137972 <open_namei+5b6/5cc>
Trace; c012dc36 <filp_open+3a/5c>
Trace; c012df7c <sys_open+38/b4>
Trace; c0106d4a <system_call+32/38>
Code; c0126c70 <kmem_extra_free_checks+50/88>
00000000 <_EIP>:
Code; c0126c70 <kmem_extra_free_checks+50/88> <=====
0: 0f 0b ud2a <=====
Code; c0126c72 <kmem_extra_free_checks+52/88>
2: 83 c4 08 add $0x8,%esp
Code; c0126c74 <kmem_extra_free_checks+54/88>
5: 8b 5f 14 mov 0x14(%edi),%ebx
Code; c0126c78 <kmem_extra_free_checks+58/88>
8: 83 fb ff cmp $0xffffffff,%ebx
Code; c0126c7a <kmem_extra_free_checks+5a/88>
b: 74 23 je 30 <_EIP+0x30> c0126ca0 <kmem_extra_free_checks+80/88>
Code; c0126c7c <kmem_extra_free_checks+5c/88>
d: 89 f6 mov %esi,%esi
Code; c0126c7e <kmem_extra_free_checks+5e/88>
f: 39 f3 cmp %esi,%ebx
Code; c0126c80 <kmem_extra_free_checks+60/88>
11: 75 14 jne 27 <_EIP+0x27> c0126c96 <kmem_extra_free_checks+76/88>
Code; c0126c82 <kmem_extra_free_checks+62/88>
13: 68 00 00 00 00 push $0x0
--
bye.
Andrey Nekrasov, SpyLOG.