Hi, I've just had an oops with kjournald on a stock 2.6.10 kernel. I'm running ext3 and reiserfs3 filesystems, but most of the load was on an ext3 fs at the time of the oops. The backtrace is:
Jan 15 22:45:32 linchpin kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000108 Jan 15 22:45:32 linchpin kernel: printing eip: Jan 15 22:45:32 linchpin kernel: c012d88f Jan 15 22:45:32 linchpin kernel: *pde = 00000000 Jan 15 22:45:32 linchpin kernel: Oops: 0000 [#1] Jan 15 22:45:32 linchpin kernel: PREEMPT Jan 15 22:45:32 linchpin kernel: Modules linked in: lp mga ipv6 ipt_TOS ipt_MASQUERADE ipt_REJECT ipt_pkttype ipt_LOG ipt_TCPMSS ipt_state ipt_multiport ipt_conntrack iptable_mangle ip_nat_irc ip_nat_tftp ip_nat_ftp iptable_nat ip_conntrack_irc ip_conntrack_tftp ip_conntrack_ftp ip_conntrack iptable_filter ip_tables 8139too mii snd_via82xx snd_ac97_codec snd_mpu401_uart snd_rawmidi snd_seq_device ehci_hcd uhci_hcd usbcore snd_bt87x snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc tuner tvaudio bttv video_buf firmware_class i2c_algo_bit v4l2_common btcx_risc videodev via_agp agpgart parport_pc parport pcspkr rtc nls_iso8859_1 nls_cp850 vfat fat ext3 jbd mbcache it87 lm90 i2c_sensor i2c_isa i2c_viapro i2c_core ppp_generic slhc evdev mousedev loop psmouse ide_floppy ide_cd cdrom unixreiserfs ide_disk ide_generic via82cxxx ide_core Jan 15 22:45:32 linchpin kernel: CPU: 0 Jan 15 22:45:32 linchpin kernel: EIP: 0060:[bit_waitqueue+47/96] Not tainted VLI Jan 15 22:45:32 linchpin kernel: EFLAGS: 00010213 (2.6.10) Jan 15 22:45:32 linchpin kernel: EIP is at bit_waitqueue+0x2f/0x60 Jan 15 22:45:32 linchpin kernel: eax: 4a929982 ebx: 00000000 ecx: 00000020 edx: 00000002 Jan 15 22:45:32 linchpin kernel: esi: 00000002 edi: c76bbf2c ebp: c0154880 esp: cfce7d78 Jan 15 22:45:32 linchpin kernel: ds: 007b es: 007b ss: 0068 Jan 15 22:45:32 linchpin kernel: Process kjournald (pid: 2410, threadinfo=cfce6000 task=cfc10080) Jan 15 22:45:32 linchpin kernel: Stack: 089d24cc c0287ab2 c7ebba7c c013e843 cfaee410 cfaee500 000000f0 0000003c Jan 15 22:45:32 linchpin kernel: cfaee400 00000296 c7ebba7c c5c71260 00000296 d29ffea6 cb74586c cfce6000 Jan 15 22:45:32 linchpin kernel: cfce6000 c7ebbf5c 00000000 c5c71278 089d24cc cfce6000 c76bbf2c c5c71260 Jan 15 22:45:32 linchpin kernel: Call Trace: Jan 15 22:45:32 linchpin kernel: [out_of_line_wait_on_bit+18/160] out_of_line_wait_on_bit+0x12/0xa0 Jan 15 22:45:32 linchpin kernel: [cache_flusharray+131/240] cache_flusharray+0x83/0xf0 Jan 15 22:45:32 linchpin kernel: [pg0+308752038/1070011392] __journal_remove_journal_head+0xb6/0x190 [jbd] Jan 15 22:45:32 linchpin kernel: [pg0+308730929/1070011392] journal_commit_transaction+0x331/0x11c0 [jbd] Jan 15 22:45:32 linchpin kernel: [__alloc_pages+458/864] __alloc_pages+0x1ca/0x360 Jan 15 22:45:32 linchpin kernel: [find_get_page+45/96] find_get_page+0x2d/0x60 Jan 15 22:45:32 linchpin kernel: [filemap_nopage+506/880] filemap_nopage+0x1fa/0x370 Jan 15 22:45:32 linchpin kernel: [schedule+753/1328] schedule+0x2f1/0x530 Jan 15 22:45:32 linchpin kernel: [pg0+308743542/1070011392] kjournald+0xd6/0x260 [jbd] Jan 15 22:45:32 linchpin kernel: [autoremove_wake_function+0/96] autoremove_wake_function+0x0/0x60 Jan 15 22:45:32 linchpin kernel: [autoremove_wake_function+0/96] autoremove_wake_function+0x0/0x60 Jan 15 22:45:32 linchpin kernel: [ret_from_fork+6/20] ret_from_fork+0x6/0x14 Jan 15 22:45:32 linchpin kernel: [pg0+308743296/1070011392] commit_timeout+0x0/0x10 [jbd] Jan 15 22:45:32 linchpin kernel: [pg0+308743328/1070011392] kjournald+0x0/0x260 [jbd] Jan 15 22:45:32 linchpin kernel: [kernel_thread_helper+5/20] kernel_thread_helper+0x5/0x14 Jan 15 22:45:32 linchpin kernel: Code: 00 40 53 c1 e0 05 c1 e9 0c 09 d0 c1 e1 05 03 0d 10 26 37 c0 69 c0 01 00 37 9e 8b 09 c1 e9 1d 8b 1c 8d dc 23 37 c0 b9 20 00 00 00 <2b> 8b 08 01 00 00 8b 93 00 01 00 00 5b d3 e8 8d 04 c2 c3 90 90 Rob -- Rob Walker <[EMAIL PROTECTED]> http://www.tenfoot.org.uk - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/