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Message-ID: <20070905101558.GB3732@atrey.karlin.mff.cuni.cz> Date: Wed, 5 Sep 2007 12:15:58 +0200 From: Jan Kara <jack@...e.cz> To: Sam Bromley <sbromley@...geosubsea.com> Cc: linux-kernel@...r.kernel.org Subject: Re: 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@...mer) (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] ======================= > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- Jan Kara <jack@...e.cz> SuSE CR Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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