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Date: Sat, 14 Jul 2007 18:18:14 +0400 From: Mitch <Mitch@...ts.com> To: linux-kernel@...r.kernel.org Subject: ext3_ordered_writepage panic on shiny new 2.6.22 Hi Light load on my system and encoding a home video to the disk using mencoder and i get this... BUG: unable to handle kernel NULL pointer dereference at virtual address 00000004 printing eip: c01a478e *pde = 00000000 Oops: 0000 [#1] PREEMPT SMP Modules linked in: nls_iso8859_1 nls_cp437 vfat fat vmnet(P) parport_pc parport vmblock(P) vmmon(P) nvidia(P) bridge iptable_filter appletalk psnap llc nfsd exportfs lockd sunrpc ftdi_sio usbserial uhci_hcd ehci_hcd ohci_hcd i2c_nforce2 ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack ip_tables x_tables forcedeth usblp snd_hda_intel snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_pcm snd_timer snd_page_alloc snd_mixer_oss snd usb_storage it87 hwmon_vid i2c_isa i2c_dev i2c_core CPU: 1 EIP: 0060:[<c01a478e>] Tainted: P VLI EFLAGS: 00010246 (2.6.22 #2) EIP is at walk_page_buffers+0x4e/0x90 eax: 00000001 ebx: 00000000 ecx: 00000000 edx: 00000001 esi: 00000000 edi: 00000000 ebp: c8607a7c esp: cbaabdf8 ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068 Process pdflush (pid: 2566, ti=cbaaa000 task=d49cb030 task.ti=cbaaa000) Stack: 00000000 d16343d8 00000000 c2092360 d16343d8 c8607a7c d16343d8 c01a7861 00001000 00000000 c01a47d0 cbaabebc 00000286 cbaabf6c c90ecd3c 00000009 cbaabf6c 00000000 c014b438 c2092360 c014b88f 00000000 0000000e c014b430 Call Trace: [<c01a7861>] ext3_ordered_writepage+0xe1/0x190 [<c01a47d0>] bget_one+0x0/0x10 [<c014b438>] __writepage+0x8/0x30 [<c014b88f>] write_cache_pages+0x1ff/0x320 [<c014b430>] __writepage+0x0/0x30 [<c014b430>] __writepage+0x0/0x30 [<c014b9d0>] generic_writepages+0x20/0x30 [<c014ba29>] do_writepages+0x49/0x50 [<c0180604>] __writeback_single_inode+0x94/0x3c0 [<c0180cf2>] sync_sb_inodes+0x192/0x270 [<c01811a5>] writeback_inodes+0x95/0xd0 [<c014c009>] background_writeout+0x89/0xb0 [<c014c470>] pdflush+0x0/0x1d0 [<c014c56e>] pdflush+0xfe/0x1d0 [<c014bf80>] background_writeout+0x0/0xb0 [<c0131dd2>] kthread+0x42/0x70 [<c0131d90>] kthread+0x0/0x70 [<c0103673>] kernel_thread_helper+0x7/0x14 ======================= Code: 24 85 d2 74 10 8b 01 a8 01 75 0a 8b 44 24 24 c7 00 01 00 00 00 31 f6 39 fd 89 f9 0f 95 c2 85 db 0f 94 c0 08 c2 74 2e 03 5c 24 08 <8b> 79 04 3b 1c 24 89 da 0f 96 c0 2b 54 24 08 3b 54 24 20 0f 93 EIP: [<c01a478e>] walk_page_buffers+0x4e/0x90 SS:ESP 0068:cbaabdf8 This is an AMD SMP system. $ uname -a Linux home 2.6.22 #2 SMP PREEMPT Fri Jul 13 17:56:35 GST 2007 i686 unknown unknown GNU/Linux - 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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