Messages in this thread | ![/](/images/icornerl.gif) | | From | Jan Rychter <> | Subject | 2.4.22-pre5: rmmod i810_audio caused an oops | Date | Sun, 13 Jul 2003 14:34:50 -0700 |
| |
Typing 'rmmod i810_audio' proced this oops. Perhaps that's useful info. I can't reproduce this at will -- this happened after unloading alsa, loading i810_audio, then trying to unload it.
Unable to handle kernel NULL pointer dereference at virtual address 00000004 d09dccdf *pde = 00000000 Oops: 0002 CPU: 0 EIP: 0010:[<d09dccdf>] Tainted: P Z Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010246 eax: 00000000 ebx: cfb295a0 ecx: d09df9b8 edx: 00000000 esi: cf6f85f8 edi: cf6f8400 ebp: 00000003 esp: c8e0ff5c ds: 0018 es: 0018 ss: 0018 Process rmmod (pid: 10044, stackpage=c8e0f000) Stack: 00000000 d09e54b9 cfb295a0 00000000 cfe2dc00 d09e7240 d09e1000 bfffeb08 c01f7996 cfe2dc00 d09e1000 fffffff0 d09e58aa d09e7240 c01181f3 d09e1000 fffffff0 cb610000 bfffeb08 c0117597 d09e1000 00000000 c8e0e000 00000001 Call Trace: [<d09e54b9>] [<d09e7240>] [<c01f7996>] [<d09e58aa>] [<d09e7240>] [<c01181f3>] [<c0117597>] [<c01086df>] Code: 89 50 04 89 02 c7 03 00 00 00 00 c7 43 04 00 00 00 00 ff 05
>>EIP; d09dccdf <[ac97_codec]ac97_release_codec+1b/58> <=====
>>ebx; cfb295a0 <_end+f820788/10501248> >>ecx; d09df9b8 <[ac97_codec]codec_sem+0/13> >>esi; cf6f85f8 <_end+f3ef7e0/10501248> >>edi; cf6f8400 <_end+f3ef5e8/10501248> >>esp; c8e0ff5c <_end+8b07144/10501248>
Trace; d09e54b9 <[ac97_codec].data.end+5aee/9695> Trace; d09e7240 <[ac97_codec].data.end+7875/9695> Trace; c01f7996 <pci_unregister_driver+3a/54> Trace; d09e58aa <[ac97_codec].data.end+5edf/9695> Trace; d09e7240 <[ac97_codec].data.end+7875/9695> Trace; c01181f3 <free_module+17/98> Trace; c0117597 <sys_delete_module+f3/1b0> Trace; c01086df <system_call+33/38>
Code; d09dccdf <[ac97_codec]ac97_release_codec+1b/58> 00000000 <_EIP>: Code; d09dccdf <[ac97_codec]ac97_release_codec+1b/58> <===== 0: 89 50 04 mov %edx,0x4(%eax) <===== Code; d09dcce2 <[ac97_codec]ac97_release_codec+1e/58> 3: 89 02 mov %eax,(%edx) Code; d09dcce4 <[ac97_codec]ac97_release_codec+20/58> 5: c7 03 00 00 00 00 movl $0x0,(%ebx) Code; d09dccea <[ac97_codec]ac97_release_codec+26/58> b: c7 43 04 00 00 00 00 movl $0x0,0x4(%ebx) Code; d09dccf1 <[ac97_codec]ac97_release_codec+2d/58> 12: ff 05 00 00 00 00 incl 0x0
--J. [unhandled content-type:application/pgp-signature] | ![\](/images/icornerr.gif) |