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    SubjectOOPS in kjournald on 2.6.10
    Date
    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 <rob@tenfoot.org.uk>
    http://www.tenfoot.org.uk
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