Re: kernel BUG at mm/swap.c:49

[Alistair John Strachan <s0348365@sms.ed.ac.uk>]

On Thursday 09 February 2006 03:24, Anthony Tippett wrote:
> Can someone direct to whom I should send this kernel BUG or what else I
> should send as debugging information.
>
> It looks like it might be an issue with Xorg and fglrx (ati drivers)

Could be, no way to tell from the trace. Try to reproduce without the driver.

Also you don't way what architecture this is, or what kernel version you're 
using. Assuming it's not 2.6.15, please upgrade and repeat the test. If you 
still have a problem then please reply to this thread.

> Feb  8 16:50:42 act kernel: kernel BUG at mm/swap.c:49!
> Feb  8 16:50:42 act kernel: invalid operand: 0000 [#1]
> Feb  8 16:50:42 act kernel: Modules linked in: fglrx binfmt_misc nfsd
> exportfs lockd nfs_acl sunrpc parport_pc lp parport autofs4 ipv6 deflate
> zlib_deflate twofish serpent aes blowfish des sha256 sha1 crypto_null
> af_key snd_bt87x emu10k1_gp gameport snd_emu10k1_synth snd_emux_synth
> snd_seq_virmidi snd_seq_midi_emul snd_seq_dummy snd_seq_oss snd_seq_midi
> snd_seq_midi_event snd_seq snd_emu10k1 snd_rawmidi snd_seq_device
> snd_util_mem snd_hwdep ohci1394 ieee1394 snd_intel8x0
> snd_ac97_codec snd_ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_timer
> snd soundcore snd_page_alloc forcedeth ehci_hcd ohci_hcd ide_cd cdrom
> ide_disk ide_generic usb_storage nvidia_agp agpgart usbhid usbcore
> tvaudio tuner msp3400 bttv video_buf firmware_class v4l2_common
> btcx_risc tveeprom videodev i2c_algo_bit i2c_core amd74xx ide_core
> joydev ext3 jbd mbcache sd_mod sata_sil libata scsi_mod shpchp
> pci_hotplug evdev mousedev
> Feb  8 16:50:42 act kernel: CPU:    0
> Feb  8 16:50:42 act kernel: EIP:    0060:[put_page+78/105]    Tainted:
> P    B VLI
> Feb  8 16:50:42 act kernel: EFLAGS: 00213256   (2.6.15-1-k7)
> Feb  8 16:50:42 act kernel: EIP is at put_page+0x4e/0x69
> Feb  8 16:50:42 act kernel: eax: 00000000   ebx: c12e6560   ecx:
> c12e6560   edx: c12e6560
> Feb  8 16:50:42 act kernel: esi: d658d5a0   edi: 00000020   ebp:
> b6968000   esp: da65be94
> Feb  8 16:50:42 act kernel: ds: 007b   es: 007b   ss: 0068
> Feb  8 16:50:42 act kernel: Process Xorg (pid: 4479, threadinfo=da65a000
> task=daf54050)
> Feb  8 16:50:42 act kernel: Stack: c013b59f c12e6560 c12e6560 dea10a20
> ffffffff 00000000 b6968000 dda2fb68
> Feb  8 16:50:42 act kernel:        b6969000 dda2fb68 c013b6e9 c032443c
> d942f6a4 dda2fb68 b6968000 b6969000
> Feb  8 16:50:42 act kernel:        da65bf14 00000000 dda2fb68 b6968000
> d942f6a4 b6969000 da65bf48 c013b79f
> Feb  8 16:50:42 act kernel: Call Trace:
> Feb  8 16:50:42 act kernel:  [zap_pte_range+358/476]
> zap_pte_range+0x166/0x1dc
> Feb  8 16:50:42 act kernel:  [unmap_page_range+212/227]
> unmap_page_range+0xd4/0xe3
> Feb  8 16:50:42 act kernel:  [unmap_vmas+167/339] unmap_vmas+0xa7/0x153
> Feb  8 16:50:42 act kernel:  [unmap_region+114/209] unmap_region+0x72/0xd1
> Feb  8 16:50:42 act kernel:  [do_munmap+201/232] do_munmap+0xc9/0xe8
> Feb  8 16:50:42 act kernel:  [sys_munmap+57/84] sys_munmap+0x39/0x54
> Feb  8 16:50:42 act kernel:  [sysenter_past_esp+84/117]
> sysenter_past_esp+0x54/0x75
> Feb  8 16:50:42 act kernel: Code: 00 46 a1 27 c0 83 42 04 ff 0f 98 c0 84
> c0 74 35 8b 4a 30 89 54 24 04 ff e1 8b 02 89 d1 f6 c4 40 74 03 8b 4a 0c
> 8b 41 04 40 75 08 <0f> 0b 31 00 46 a1 27 c0 83 42 04 ff 0f 98 c0 84 c0
> 74 07 89 d0

-- 
Cheers,
Alistair.

'No sense being pessimistic, it probably wouldn't work anyway.'
Third year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/