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SubjectRe: EIP: [dnotify_flush+104/160] dnotify_flush+0x68/0xa0 SS:ESP 0068:ecf85f80
> Hi Folks,
> Sorry to bother you all, but I've been unable to find anything
> definitive about this crash.
>
> I suspect it's a harddrive or ram issue, perhaps, but I really
> don't know for sure. The details from the crash are below.
> If any of you know that "yep, it's just hardware", I'd really
> appreciate the info. Thank you for any insight that you can provide.
From just a quick look, it seems like a 1 bit flip in the address...
(it was 0x00000001 instead of NULL)...
Honza

> ( Linux version 2.6.20-15-generic (root@palmer) (gcc version 4.1.2
> (Ubuntu 4.1.2-0ubuntu4)) #2 SMP Sun Apr 15 07:36:31
> UTC 2007 (Ubuntu 2.6.20-15.27-generic)
>
>
> Aug 2 07:37:29 correo kernel: [7847300.896000] BUG: unable to handle
> kernel NULL pointer dereference at virtual address 00000011
> Aug 2 07:37:29 correo kernel: [7847300.896000] printing eip:
> Aug 2 07:37:29 correo kernel: [7847300.896000] c01a8e38
> Aug 2 07:37:29 correo kernel: [7847300.896000] *pde = 00000000
> Aug 2 07:37:29 correo kernel: [7847300.896000] Oops: 0000 [#1]
> Aug 2 07:37:29 correo kernel: [7847300.896000] SMP
> Aug 2 07:37:29 correo kernel: [7847300.896000] Modules linked in:
> nls_iso8859_1 vfat fat usb_storage libusual lp parport_pc joydev st
> sr_mod ppp_generic slhc
> nls_cp437 isofs udf nfsd exportfs nfs lockd sunrpc binfmt_misc rfcomm
> l2cap bluetooth ppdev powernow_k8 cpufreq_userspace cpufreq_stats
> cpufreq_powersave cpufr
> eq_ondemand freq_table cpufreq_conservative tc1100_wmi pcc_acpi dev_acpi
> sony_acpi video sbs i2c_ec dock button battery container ac asus_acpi
> backlight af_pac
> ket sbp2 snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm
> snd_mpu401 snd_mpu401_uart snd_seq_dummy snd_seq_oss snd_seq_midi ide_cd
> snd_rawmidi snd
> _seq_midi_event snd_seq snd_timer snd_seq_device cdrom snd analog
> snd_page_alloc pcspkr gameport nvidia(P) parport serio_raw soundcore
> agpgart psmouse i2c_nfor
> ce2 k8temp i2c_core shpchp pci_hotplug evdev tsdev ipv6 ext3 jbd mbcache
> sg sd_mod forcedeth floppy ohci1394 ieee1394 ohci_hcd amd74xx 3c59x mii
> ehci_hcd usbco
> re sata_nv ata_generic libata scsi_mod generic thermal processor fan fbc
> Aug 2 07:37:29 correo kernel: n tileblit font bitblit softcursor vesafb
> capability commoncap
> Aug 2 07:37:29 correo kernel: [7847300.896000] CPU: 1
> Aug 2 07:37:29 correo kernel: [7847300.896000] EIP:
> 0060:[dnotify_flush+104/160] Tainted: P VLI
> Aug 2 07:37:29 correo kernel: [7847300.896000] EFLAGS: 00010202
> (2.6.20-15-generic #2)
> Aug 2 07:37:29 correo kernel: [7847300.896000] EIP is at
> dnotify_flush+0x68/0xa0
> Aug 2 07:37:29 correo kernel: [7847300.896000] eax: dc7dfebc ebx:
> 00000001 ecx: 00000000 edx: dc7dff68
> Aug 2 07:37:29 correo kernel: [7847300.896000] esi: dc7dfe50 edi:
> f7c49380 ebp: c9442a80 esp: ecf85f80
> Aug 2 07:37:29 correo kernel: [7847300.896000] ds: 007b es: 007b
> ss: 0068
> Aug 2 07:37:29 correo kernel: [7847300.896000] Process updatedb (pid:
> 24836, ti=ecf84000 task=f3fe3030 task.ti=ecf84000)
> Aug 2 07:37:29 correo kernel: [7847300.896000] Stack: c9442a80 f7c49380
> 00000000 ecf84000 c0174ad7 08056154 f7c49380 00000008
> Aug 2 07:37:29 correo kernel: [7847300.896000] c9442a80 c0175e4b
> 00000008 00000008 080531e8 c01031f0 00000008 00000001
> Aug 2 07:37:29 correo kernel: [7847300.896000] b7f51ff4 00000008
> 080531e8 bffa9348 00000006 0000007b 0000007b 00000033
> Aug 2 07:37:29 correo kernel: [7847300.896000] Call Trace:
> Aug 2 07:37:29 correo kernel: [7847300.896000] [filp_close+55/128]
> filp_close+0x37/0x80
> Aug 2 07:37:29 correo kernel: [7847300.896000] [sys_close+107/208]
> sys_close+0x6b/0xd0
> Aug 2 07:37:29 correo kernel: [7847300.896000]
> [sysenter_past_esp+105/169] sysenter_past_esp+0x69/0xa9
> Aug 2 07:37:29 correo kernel: [7847300.896000] =======================
> Aug 2 07:37:29 correo kernel: [7847300.896000] Code: 10 c3 8d 46 6c e8
> e9 58 14 00 8b 9e 18 01 00 00 8d 96 18 01 00 00 85 db 75 11 eb 30 8d b4
> 26 00 00 00 00
> 89 da 8b 1b 85 db 74 21 <39> 7b 10 75 f3 3b 6b 0c 75 ee 8b 03 89 02 89
> f0 e8 c3 fe ff ff
> Aug 2 07:37:29 correo kernel: [7847300.896000] EIP:
> [dnotify_flush+104/160] dnotify_flush+0x68/0xa0 SS:ESP 0068:ecf85f80
> Aug 3 07:37:23 correo kernel: [7847300.896000] <3>BUG: soft lockup
> detected on CPU#1!
> Aug 3 07:37:23 correo kernel: [7933690.896000]
> [softlockup_tick+156/240] softlockup_tick+0x9c/0xf0
> Aug 3 07:37:23 correo kernel: [7933690.896000]
> [update_process_times+51/128] update_process_times+0x33/0x80
> Aug 3 07:37:23 correo kernel: [7933690.896000]
> [smp_apic_timer_interrupt+112/128] smp_apic_timer_interrupt+0x70/0x80
> Aug 3 07:37:23 correo kernel: [7933690.896000]
> [apic_timer_interrupt+40/48] apic_timer_interrupt+0x28/0x30
> Aug 3 07:37:23 correo kernel: [7933690.896000] [_spin_lock+7/16]
> _spin_lock+0x7/0x10
> Aug 3 07:37:23 correo kernel: [7933690.896000] [dnotify_flush+71/160]
> dnotify_flush+0x47/0xa0
> Aug 3 07:37:23 correo kernel: [7933690.896000] [filp_close+55/128]
> filp_close+0x37/0x80
> Aug 3 07:37:23 correo kernel: [7933690.896000] [sys_close+107/208]
> sys_close+0x6b/0xd0
> Aug 3 07:37:23 correo kernel: [7933690.896000]
> [sysenter_past_esp+105/169] sysenter_past_esp+0x69/0xa9
> Aug 3 07:37:23 correo kernel: [7933690.896000] =======================
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--
Jan Kara <jack@suse.cz>
SuSE CR Labs
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