[OpenAFS-devel] current cvs kernel module crash on 2.6.13-rc6

[Martin MOKREJŠ]

So, yet another crash:

# /usr/vice/etc/afsd -chunk 20 -nosettime -stat 1000 -daemons 2 -dcache 1000 -volumes 10 -files 1000
Segmentation fault
#

libafs: module license 'http://www.openafs.org/dl/license10.html' taints kernel.
Found system call table at 0xc0479900 (pattern scan)
Starting AFS cache scan...<2>EXT2-fs error (device sdb1): ext2_get_inode: bad inode number: 0
Can't open inode 0
------------[ cut here ]------------
kernel BUG at /scratch/openafs/src/libafs/MODLOAD-2.6.13-rc6-SP/rx_kcommon.c:131!
invalid operand: 0000 [#1]
PREEMPT DEBUG_PAGEALLOC
Modules linked in: libafs radeon drm reiserfs snd_rtctimer snd_seq_virmidi snd_seq_midi snd_rawmidi snd_intel8x0 snd_ac97_code
c snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_pcm snd_timer snd_page_alloc snd_mixer_oss snd uhci_hc
d ohci_hcd ehci_hcd intel_agp agpgart
CPU:    0
EIP:    0060:[<fac97c8e>]    Tainted: P      VLI
EFLAGS: 00010282   (2.6.13-rc6) 
EIP is at osi_Panic+0x28/0x36 [libafs]
eax: 00000016   ebx: 00000000   ecx: 00000001   edx: 00000001
esi: e76c6f70   edi: fffffffb   ebp: eec15d8c   esp: eec15d78
ds: 007b   es: 007b   ss: 0068
Process afsd (pid: 8111, threadinfo=eec14000 task=ef0aeb10)
Stack: facbc584 00000000 00000001 00000000 d138b000 eec15da4 faca1bf6 00000000 
       00000000 00000000 f9f85000 eec15ddc fac61f68 eec15dc4 c015ae82 00000001 
       00000000 00000000 d138b000 eec15dd0 00000014 d138b000 0000000a eec14000 
Call Trace:
 [<c0103dd4>] show_stack+0x7a/0x90
 [<c0103f59>] show_registers+0x156/0x1ce
 [<c0104167>] die+0xf4/0x17e
 [<c0104272>] do_trap+0x81/0xb8
 [<c010454c>] do_invalid_op+0xa3/0xad
 [<c0103a33>] error_code+0x4f/0x54
 [<faca1bf6>] osi_UFSOpen+0x18e/0x1da [libafs]
 [<fac61f68>] afs_InitCacheFile+0x1c3/0x49e [libafs]
 [<faca9351>] afs_syscall_call+0x2a9/0x15aa [libafs]
 [<facaa808>] afs_syscall+0xef/0x3d6 [libafs]
 [<faca3e53>] afs_unlocked_ioctl+0x5d/0x62 [libafs]
 [<c016d45a>] do_ioctl+0x76/0x85
 [<c016d4a2>] file_ioctl+0x39/0x118
 [<c016d624>] vfs_ioctl+0xa3/0x1aa
 [<c016d764>] sys_ioctl+0x39/0x5d
 [<c0102f2f>] sysenter_past_esp+0x54/0x75
Code: ff 5d c3 55 89 e5 53 bb 10 c2 cb fa 83 ec 10 85 c0 0f 44 c3 8b 5d 08 89 4c 24 08 89 5c 24 0c 89 54 24 04 89 04 24 e8 e7 
7d 48 c5 <0f> 0b 83 00 68 95 cb fa 83 c4 10 5b 5d c3 55 83 fa 01 89 e5 57