Dec 30 20:12:11 sidney kernel: [31895.552562] Unable to handle kernel NULL pointer dereference at virtual address 00000020
Dec 30 20:12:11 sidney kernel: [31895.552699] printing eip:
Dec 30 20:12:11 sidney kernel: [31895.552914] c0136b90
Dec 30 20:12:11 sidney kernel: [31895.552933] *pde = 00000000
Dec 30 20:12:11 sidney kernel: [31895.553014] Oops: 0000 [#1]
Dec 30 20:12:11 sidney kernel: [31895.553065] PREEMPT
Dec 30 20:12:11 sidney kernel: [31895.553147] Modules linked in: sd_mod usb_storage scsi_mod md5 ipv6 lp capi kernelcapi capifs nls_iso8859_15 nls_cp437 vfat fat parport_pc parport joydev evdev nvidiafb 8139too mii rivafb crc32 tuner tvaudio msp3400 bttv video_buf firmware_class snd_ens1370 gameport i2c_algo_bit snd_rawmidi snd_seq_device snd_bt87x v4l2_common btcx_risc tveeprom videodev snd_pcm snd_ak4531_codec snd_timer snd_page_alloc snd soundcore i2c_viapro i2c_core uhci_hcd usbcore ide_cd cdrom
Dec 30 20:12:11 sidney kernel: [31895.554927] CPU: 0
Dec 30 20:12:11 sidney kernel: [31895.554933] EIP: 0060:[mempool_free+4/104] Not tainted VLI
Dec 30 20:12:11 sidney kernel: [31895.554942] EFLAGS: 00010282 (2.6.15-rc7.sidney.11)
Dec 30 20:12:11 sidney kernel: [31895.555106] EIP is at mempool_free+0x4/0x68
Dec 30 20:12:11 sidney kernel: [31895.555168] eax: 00011200 ebx: 00000010 ecx: c11490c0 edx: c11490c0
Dec 30 20:12:11 sidney kernel: [31895.555236] esi: c132b7dc edi: c132b7dc ebp: c3e71c28 esp: c3e71bfc
Dec 30 20:12:11 sidney kernel: [31895.555301] ds: 007b es: 007b ss: 0068
Dec 30 20:12:11 sidney kernel: [31895.555361] Process pdflush (pid: 31177, threadinfo=c3e70000 task=c3469000)
Dec 30 20:12:11 sidney kernel: [31895.555413] Stack: c639ab64 c132b7dc 00011210 00000160 00000008 c3e71c24 c01b78c1 c1338c14
Dec 30 20:12:11 sidney kernel: [31895.555773] 00000008 c1338c14 c3353460 c3e71c4c c01b996c c132b7dc 00000010 c1338c24
Dec 30 20:12:11 sidney kernel: [31895.556130] 00000001 00000008 c1338c14 c1338c14 c3e71c88 c01b9aad c1338c14 00000001
Dec 30 20:12:11 sidney kernel: [31895.556488] Call Trace:
Dec 30 20:12:11 sidney kernel: [31895.556582] [show_stack+120/131] show_stack+0x78/0x83
Dec 30 20:12:11 sidney kernel: [31895.556712] [show_registers+306/415] show_registers+0x132/0x19f
Dec 30 20:12:11 sidney kernel: [31895.556840] [die+201/318] die+0xc9/0x13e
Dec 30 20:12:11 sidney kernel: [31895.556964] [do_page_fault+924/1239] do_page_fault+0x39c/0x4d7
Dec 30 20:12:11 sidney kernel: [31895.557095] [error_code+79/96] error_code+0x4f/0x60
Dec 30 20:12:11 sidney kernel: [31895.557219] [get_request+330/625] get_request+0x14a/0x271
Dec 30 20:12:11 sidney kernel: [31895.557353] [get_request_wait+26/205] get_request_wait+0x1a/0xcd
Dec 30 20:12:11 sidney kernel: [31895.557480] [__make_request+643/998] __make_request+0x283/0x3e6
Dec 30 20:12:11 sidney kernel: [31895.557608] [generic_make_request+244/262] generic_make_request+0xf4/0x106
Dec 30 20:12:11 sidney kernel: [31895.557736] [submit_bio+169/178] submit_bio+0xa9/0xb2
Dec 30 20:12:11 sidney kernel: [31895.557863] [submit_bh+192/226] submit_bh+0xc0/0xe2
Dec 30 20:12:11 sidney kernel: [31895.557998] [__block_write_full_page+425/671] __block_write_full_page+0x1a9/0x29f
Dec 30 20:12:11 sidney kernel: [31895.558130] [block_write_full_page+198/209] block_write_full_page+0xc6/0xd1
Dec 30 20:12:11 sidney kernel: [31895.558259] [blkdev_writepage+19/21] blkdev_writepage+0x13/0x15
Dec 30 20:12:11 sidney kernel: [31895.558387] [mpage_writepages+390/737] mpage_writepages+0x186/0x2e1
Dec 30 20:12:11 sidney kernel: [31895.558521] [generic_writepages+16/18] generic_writepages+0x10/0x12
Dec 30 20:12:11 sidney kernel: [31895.558649] [do_writepages+33/51] do_writepages+0x21/0x33
Dec 30 20:12:11 sidney kernel: [31895.558779] [__sync_single_inode+97/441] __sync_single_inode+0x61/0x1b9
Dec 30 20:12:11 sidney kernel: [31895.558906] [__writeback_single_inode+292/302] __writeback_single_inode+0x124/0x12e
Dec 30 20:12:11 sidney kernel: [31895.559037] [sync_sb_inodes+423/626] sync_sb_inodes+0x1a7/0x272
Dec 30 20:12:11 sidney kernel: [31895.559163] [writeback_inodes+134/224] writeback_inodes+0x86/0xe0
Dec 30 20:12:11 sidney kernel: [31895.559291] [wb_kupdate+121/218] wb_kupdate+0x79/0xda
Dec 30 20:12:11 sidney kernel: [31895.559415] [__pdflush+218/396] __pdflush+0xda/0x18c
Dec 30 20:12:11 sidney kernel: [31895.559540] [pdflush+31/33] pdflush+0x1f/0x21
Dec 30 20:12:11 sidney kernel: [31895.559665] [kthread+110/156] kthread+0x6e/0x9c
Dec 30 20:12:11 sidney kernel: [31895.559797] [kernel_thread_helper+5/11] kernel_thread_helper+0x5/0xb
Dec 30 20:12:11 sidney kernel: [31895.559922] Code: 7e 14 00 75 05 e8 46 d2 16 00 89 d8 89 fa e8 8b 32 ff ff 8b 45 dc e9 6f ff ff ff 31 db 8d 65 f4 89 d8 5b 5e 5f c9 c3 55 89 e5 57 <56> 8b 7d 08 53 8b 5d 0c 8b 43 10 39 43 14 7d 43 89 d8 e8 89 da
Mathias Klein napsal(a):
> Hello,
>
> i recently got another oops. As suggested by Pekka Enberg I've enabled
> CONFIG_DEBUG_SLAB and CONFIG_DEBUG_PAGEALLOC.
>
> If you need more informations please let me know.
>
> ------------------------------------------------------------------------
>
> Dec 30 20:12:11 sidney kernel: [31895.552562] Unable to handle kernel NULL pointer dereference at virtual address 00000020
> Dec 30 20:12:11 sidney kernel: [31895.552699] printing eip:
> Dec 30 20:12:11 sidney kernel: [31895.552914] c0136b90
> Dec 30 20:12:11 sidney kernel: [31895.552933] *pde = 00000000
> Dec 30 20:12:11 sidney kernel: [31895.553014] Oops: 0000 [#1]
> Dec 30 20:12:11 sidney kernel: [31895.553065] PREEMPT
> Dec 30 20:12:11 sidney kernel: [31895.553147] Modules linked in: sd_mod usb_storage scsi_mod md5 ipv6 lp capi kernelcapi capifs nls_iso8859_15 nls_cp437 vfat fat parport_pc parport joydev evdev nvidiafb 8139too mii rivafb crc32 tuner tvaudio msp3400 bttv video_buf firmware_class snd_ens1370 gameport i2c_algo_bit snd_rawmidi snd_seq_device snd_bt87x v4l2_common btcx_risc tveeprom videodev snd_pcm snd_ak4531_codec snd_timer snd_page_alloc snd soundcore i2c_viapro i2c_core uhci_hcd usbcore ide_cd cdrom
> Dec 30 20:12:11 sidney kernel: [31895.554927] CPU: 0
> Dec 30 20:12:11 sidney kernel: [31895.554933] EIP: 0060:[mempool_free+4/104] Not tainted VLI
> Dec 30 20:12:11 sidney kernel: [31895.554942] EFLAGS: 00010282 (2.6.15-rc7.sidney.11)
[snip]
> Dec 30 20:12:11 sidney kernel: [31895.559540] [pdflush+31/33] pdflush+0x1f/0x21
> Dec 30 20:12:11 sidney kernel: [31895.559665] [kthread+110/156] kthread+0x6e/0x9c
> Dec 30 20:12:11 sidney kernel: [31895.559797] [kernel_thread_helper+5/11] kernel_thread_helper+0x5/0xb
> Dec 30 20:12:11 sidney kernel: [31895.559922] Code: 7e 14 00 75 05 e8 46 d2 16 00 89 d8 89 fa e8 8b 32 ff ff 8b 45 dc e9 6f ff ff ff 31 db 8d 65 f4 89 d8 5b 5e 5f c9 c3 55 89 e5 57 <56> 8b 7d 08 53 8b 5d 0c 8b 43 10 39 43 14 7d 43 89 d8 e8 89 da
mm, strange, could you post .config, gcc version and one more question, what is
.sidney.11?
thanks,
--
Jiri Slaby http://www.fi.muni.cz/~xslaby
\_.-^-._ [email protected] _.-^-._/
B67499670407CE62ACC8 22A032CC55C339D47A7E
Mathias Klein napsal(a):
> Hello,
>
> i recently got another oops. As suggested by Pekka Enberg I've enabled
> CONFIG_DEBUG_SLAB and CONFIG_DEBUG_PAGEALLOC.
[snip]
> Dec 30 20:12:11 sidney kernel: [31895.553014] Oops: 0000 [#1]
> Dec 30 20:12:11 sidney kernel: [31895.553065] PREEMPT
btw. this is not kernel with CONFIG_DEBUG_PAGEALLOC.
regards,
--
Jiri Slaby http://www.fi.muni.cz/~xslaby
\_.-^-._ [email protected] _.-^-._/
B67499670407CE62ACC8 22A032CC55C339D47A7E
On Fri, Dec 30, 2005 at 11:23:59PM +0100, Jiri Slaby wrote:
> Mathias Klein napsal(a):
> > Hello,
> >
> > i recently got another oops. As suggested by Pekka Enberg I've enabled
> > CONFIG_DEBUG_SLAB and CONFIG_DEBUG_PAGEALLOC.
> >
> > If you need more informations please let me know.
> >
> > ------------------------------------------------------------------------
> >
> > Dec 30 20:12:11 sidney kernel: [31895.552562] Unable to handle kernel NULL pointer dereference at virtual address 00000020
> > Dec 30 20:12:11 sidney kernel: [31895.552699] printing eip:
> > Dec 30 20:12:11 sidney kernel: [31895.552914] c0136b90
> > Dec 30 20:12:11 sidney kernel: [31895.552933] *pde = 00000000
> > Dec 30 20:12:11 sidney kernel: [31895.553014] Oops: 0000 [#1]
> > Dec 30 20:12:11 sidney kernel: [31895.553065] PREEMPT
> > Dec 30 20:12:11 sidney kernel: [31895.553147] Modules linked in: sd_mod usb_storage scsi_mod md5 ipv6 lp capi kernelcapi capifs nls_iso8859_15 nls_cp437 vfat fat parport_pc parport joydev evdev nvidiafb 8139too mii rivafb crc32 tuner tvaudio msp3400 bttv video_buf firmware_class snd_ens1370 gameport i2c_algo_bit snd_rawmidi snd_seq_device snd_bt87x v4l2_common btcx_risc tveeprom videodev snd_pcm snd_ak4531_codec snd_timer snd_page_alloc snd soundcore i2c_viapro i2c_core uhci_hcd usbcore ide_cd cdrom
> > Dec 30 20:12:11 sidney kernel: [31895.554927] CPU: 0
> > Dec 30 20:12:11 sidney kernel: [31895.554933] EIP: 0060:[mempool_free+4/104] Not tainted VLI
> > Dec 30 20:12:11 sidney kernel: [31895.554942] EFLAGS: 00010282 (2.6.15-rc7.sidney.11)
> [snip]
> > Dec 30 20:12:11 sidney kernel: [31895.559540] [pdflush+31/33] pdflush+0x1f/0x21
> > Dec 30 20:12:11 sidney kernel: [31895.559665] [kthread+110/156] kthread+0x6e/0x9c
> > Dec 30 20:12:11 sidney kernel: [31895.559797] [kernel_thread_helper+5/11] kernel_thread_helper+0x5/0xb
> > Dec 30 20:12:11 sidney kernel: [31895.559922] Code: 7e 14 00 75 05 e8 46 d2 16 00 89 d8 89 fa e8 8b 32 ff ff 8b 45 dc e9 6f ff ff ff 31 db 8d 65 f4 89 d8 5b 5e 5f c9 c3 55 89 e5 57 <56> 8b 7d 08 53 8b 5d 0c 8b 43 10 39 43 14 7d 43 89 d8 e8 89 da
> mm, strange, could you post .config, gcc version and one more question, what is
> .sidney.11?
sidney.xx is only an alias for the maschine I build that kernel for and a
number indicating a .config. No patches are included in the kernel.
Please see attached the .config
gcc version is 4.0.2-2 (Debian package version)
Mathias
On Sat, Dec 31, 2005 at 02:40:33AM +0100, Jiri Slaby wrote:
> Mathias Klein napsal(a):
> > Hello,
> >
> > i recently got another oops. As suggested by Pekka Enberg I've enabled
> > CONFIG_DEBUG_SLAB and CONFIG_DEBUG_PAGEALLOC.
> [snip]
> > Dec 30 20:12:11 sidney kernel: [31895.553014] Oops: 0000 [#1]
> > Dec 30 20:12:11 sidney kernel: [31895.553065] PREEMPT
> btw. this is not kernel with CONFIG_DEBUG_PAGEALLOC.
Ehmm. Yes, Sorry. Will be included in my next build.
Thank you for notify.
> regards,
> --
> Jiri Slaby http://www.fi.muni.cz/~xslaby
> \_.-^-._ [email protected] _.-^-._/
> B67499670407CE62ACC8 22A032CC55C339D47A7E
Mathias