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    SubjectRe: 2.6.19-rc2-mm1
    From
    Date
    On Mon, 2006-10-16 at 23:06 -0700, Andrew Morton wrote:
    > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.19-rc2/2.6.19-rc2-mm1/
    >
    >
    > - Added the hwmon and i2c trees to the -mm lineup. These are quilt-style
    > trees, maintained by Jean Delvare.


    LTP writev tests seems to lockup the machine. reiserfs issue ?
    Didn't you have a patch to dump other CPUs also when this happens ?

    Thanks,
    Badari

    BUG: soft lockup detected on CPU#2!

    Call Trace:
    <IRQ> [<ffffffff8024a4ba>] softlockup_tick+0xfa/0x120
    [<ffffffff8022e10f>] __do_softirq+0x5f/0xd0
    [<ffffffff80232067>] update_process_times+0x57/0x90
    [<ffffffff80217e84>] smp_local_timer_interrupt+0x34/0x60
    [<ffffffff802185db>] smp_apic_timer_interrupt+0x4b/0x80
    [<ffffffff80326ce0>] __copy_user_nocache+0x20/0x150
    [<ffffffff8020a7e6>] apic_timer_interrupt+0x66/0x70
    <EOI> [<ffffffff802b8de0>] reiserfs_get_block+0x0/0x10c0
    [<ffffffff80295198>] __block_prepare_write+0x158/0x470
    [<ffffffff802b8de0>] reiserfs_get_block+0x0/0x10c0
    [<ffffffff802954ca>] block_prepare_write+0x1a/0x30
    [<ffffffff802b7cea>] reiserfs_prepare_write+0xca/0x140
    [<ffffffff8024e9d2>] generic_file_buffered_write+0x2b2/0x610
    [<ffffffff8022d84b>] current_fs_time+0x3b/0x40
    [<ffffffff8024f157>] __generic_file_aio_write_nolock+0x427/0x4b0
    [<ffffffff8047ee5f>] __mutex_lock_slowpath+0x1df/0x1f0
    [<ffffffff8024f247>] generic_file_aio_write+0x67/0xd0
    [<ffffffff8024f1e0>] generic_file_aio_write+0x0/0xd0
    [<ffffffff80271f53>] do_sync_readv_writev+0xc3/0x110
    [<ffffffff8023d910>] autoremove_wake_function+0x0/0x30
    [<ffffffff8035c18d>] tty_default_put_char+0x1d/0x30
    [<ffffffff803618c4>] write_chan+0x374/0x3a0
    [<ffffffff80271daa>] rw_copy_check_uvector+0x8a/0x130
    [<ffffffff802726ef>] do_readv_writev+0xef/0x200
    [<ffffffff8035e349>] tty_write+0x219/0x250
    [<ffffffff80272d43>] sys_writev+0x53/0xc0
    [<ffffffff80209c1e>] system_call+0x7e/0x83

    BUG: soft lockup detected on CPU#2!

    Call Trace:
    <IRQ> [<ffffffff8024a4ba>] softlockup_tick+0xfa/0x120
    [<ffffffff80232067>] update_process_times+0x57/0x90
    [<ffffffff80217e84>] smp_local_timer_interrupt+0x34/0x60
    [<ffffffff802185db>] smp_apic_timer_interrupt+0x4b/0x80
    [<ffffffff8020a7e6>] apic_timer_interrupt+0x66/0x70
    <EOI> [<ffffffff8025f3e2>] find_vma+0x12/0x70
    [<ffffffff8021e6e5>] do_page_fault+0x3c5/0x870
    [<ffffffff802bc2e1>] reiserfs_commit_page+0xe1/0x220
    [<ffffffff8048012d>] error_exit+0x0/0x84
    [<ffffffff8024e89e>] generic_file_buffered_write+0x17e/0x610
    [<ffffffff8024eb47>] generic_file_buffered_write+0x427/0x610
    [<ffffffff8022d84b>] current_fs_time+0x3b/0x40
    [<ffffffff8024f157>] __generic_file_aio_write_nolock+0x427/0x4b0
    [<ffffffff8047ee5f>] __mutex_lock_slowpath+0x1df/0x1f0
    [<ffffffff8024f247>] generic_file_aio_write+0x67/0xd0
    [<ffffffff8024f1e0>] generic_file_aio_write+0x0/0xd0
    [<ffffffff80271f53>] do_sync_readv_writev+0xc3/0x110
    [<ffffffff8023d910>] autoremove_wake_function+0x0/0x30
    [<ffffffff8035c18d>] tty_default_put_char+0x1d/0x30
    [<ffffffff803618c4>] write_chan+0x374/0x3a0
    [<ffffffff80271daa>] rw_copy_check_uvector+0x8a/0x130
    [<ffffffff802726ef>] do_readv_writev+0xef/0x200
    [<ffffffff8035e349>] tty_write+0x219/0x250
    [<ffffffff80272d43>] sys_writev+0x53/0xc0
    [<ffffffff80209c1e>] system_call+0x7e/0x83

    BUG: soft lockup detected on CPU#2!

    Call Trace:
    <IRQ> [<ffffffff8024a4ba>] softlockup_tick+0xfa/0x120
    [<ffffffff8022e10f>] __do_softirq+0x5f/0xd0
    [<ffffffff80232067>] update_process_times+0x57/0x90
    [<ffffffff80217e84>] smp_local_timer_interrupt+0x34/0x60
    [<ffffffff802185db>] smp_apic_timer_interrupt+0x4b/0x80
    [<ffffffff8020a7e6>] apic_timer_interrupt+0x66/0x70
    <EOI> [<ffffffff80256320>] mark_page_accessed+0x30/0x40
    [<ffffffff8024eb3f>] generic_file_buffered_write+0x41f/0x610
    [<ffffffff8022d84b>] current_fs_time+0x3b/0x40
    [<ffffffff8024f157>] __generic_file_aio_write_nolock+0x427/0x4b0
    [<ffffffff8047ee5f>] __mutex_lock_slowpath+0x1df/0x1f0
    [<ffffffff8024f247>] generic_file_aio_write+0x67/0xd0
    [<ffffffff8024f1e0>] generic_file_aio_write+0x0/0xd0
    [<ffffffff80271f53>] do_sync_readv_writev+0xc3/0x110
    [<ffffffff8023d910>] autoremove_wake_function+0x0/0x30
    [<ffffffff8035c18d>] tty_default_put_char+0x1d/0x30
    [<ffffffff803618c4>] write_chan+0x374/0x3a0
    [<ffffffff80271daa>] rw_copy_check_uvector+0x8a/0x130
    [<ffffffff802726ef>] do_readv_writev+0xef/0x200
    [<ffffffff8035e349>] tty_write+0x219/0x250
    [<ffffffff80272d43>] sys_writev+0x53/0xc0
    [<ffffffff80209c1e>] system_call+0x7e/0x83



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