On Thu, 2006-10-19 at 01:48 +1000, Nick Piggin wrote:
> Badari Pulavarty wrote:
> > 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 ?
>
> ...
>
> > 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
>
> This is likely to be a reiserfs interaction with the pagecache write
> deadlock fixes. Chris Mason just now identified a couple of issues
> and is going to work on a fix.
>
No. seems to be generic issue .. (happens with ext3 also) :(
BUG: soft lockup detected on CPU#3!
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> [<ffffffff802d9210>] ext3_journal_dirty_data+0x0/0x50
[<ffffffff802ea27f>] journal_dirty_data+0x2f/0x200
[<ffffffff8048012d>] error_exit+0x0/0x84
[<ffffffff802d922d>] ext3_journal_dirty_data+0x1d/0x50
[<ffffffff802d84b8>] walk_page_buffers+0x68/0xb0
[<ffffffff802d9210>] ext3_journal_dirty_data+0x0/0x50
[<ffffffff802db488>] ext3_ordered_commit_write+0x58/0xd0
[<ffffffff8024eb1c>] generic_file_buffered_write+0x3fc/0x610
[<ffffffff8022d84b>] current_fs_time+0x3b/0x40
[<ffffffff8024f157>] __generic_file_aio_write_nolock+0x427/0x4b0
[<ffffffff80284a13>] dput+0x23/0x170
[<ffffffff8027c437>] __link_path_walk+0xbd7/0xd40
[<ffffffff8047ee5f>] __mutex_lock_slowpath+0x1df/0x1f0
[<ffffffff8024f247>] generic_file_aio_write+0x67/0xd0
[<ffffffff802d7153>] ext3_file_write+0x23/0xc0
[<ffffffff802d7130>] ext3_file_write+0x0/0xc0
[<ffffffff80271f53>] do_sync_readv_writev+0xc3/0x110
[<ffffffff8023d910>] autoremove_wake_function+0x0/0x30
[<ffffffff80271daa>] rw_copy_check_uvector+0x8a/0x130
[<ffffffff802726ef>] do_readv_writev+0xef/0x200
[<ffffffff80272d43>] sys_writev+0x53/0xc0
[<ffffffff80209d91>] tracesys+0xd1/0xe0
BUG: soft lockup detected on CPU#3!
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> [<ffffffff802d9210>] ext3_journal_dirty_data+0x0/0x50
[<ffffffff802da0a0>] ext3_get_block+0x0/0x120
[<ffffffff8021e637>] do_page_fault+0x317/0x870
[<ffffffff8021e61b>] do_page_fault+0x2fb/0x870
[<ffffffff8021e93f>] do_page_fault+0x61f/0x870
[<ffffffff80231f2c>] __mod_timer+0xac/0xc0
[<ffffffff8048012d>] error_exit+0x0/0x84
[<ffffffff802d9210>] ext3_journal_dirty_data+0x0/0x50
[<ffffffff802da0a0>] ext3_get_block+0x0/0x120
[<ffffffff80326ce0>] __copy_user_nocache+0x20/0x150
[<ffffffff8024cc6b>] __filemap_copy_from_user_iovec_inatomic+0x4b/0x70
[<ffffffff8024eade>] generic_file_buffered_write+0x3be/0x610
[<ffffffff8022d84b>] current_fs_time+0x3b/0x40
[<ffffffff8024f157>] __generic_file_aio_write_nolock+0x427/0x4b0
[<ffffffff80284a13>] dput+0x23/0x170
[<ffffffff8027c437>] __link_path_walk+0xbd7/0xd40
[<ffffffff8047ee5f>] __mutex_lock_slowpath+0x1df/0x1f0
[<ffffffff8024f247>] generic_file_aio_write+0x67/0xd0
[<ffffffff802d7153>] ext3_file_write+0x23/0xc0
[<ffffffff802d7130>] ext3_file_write+0x0/0xc0
[<ffffffff80271f53>] do_sync_readv_writev+0xc3/0x110
[<ffffffff8023d910>] autoremove_wake_function+0x0/0x30
[<ffffffff80271daa>] rw_copy_check_uvector+0x8a/0x130
[<ffffffff802726ef>] do_readv_writev+0xef/0x200
[<ffffffff80272d43>] sys_writev+0x53/0xc0
[<ffffffff80209d91>] tracesys+0xd1/0xe0
BUG: soft lockup detected on CPU#3!
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
[<ffffffff8024e89e>] generic_file_buffered_write+0x17e/0x610
[<ffffffff8020a7e6>] apic_timer_interrupt+0x66/0x70
<EOI> [<ffffffff802d9210>] ext3_journal_dirty_data+0x0/0x50
[<ffffffff8027fa21>] do_sys_poll+0x351/0x410
[<ffffffff8024e89e>] generic_file_buffered_write+0x17e/0x610
[<ffffffff8021ef82>] search_extable+0x42/0x70
[<ffffffff8023b2fd>] search_exception_tables+0x1d/0x40
[<ffffffff8021e93f>] do_page_fault+0x61f/0x870
[<ffffffff802d9210>] ext3_journal_dirty_data+0x0/0x50
[<ffffffff802d9210>] ext3_journal_dirty_data+0x0/0x50
[<ffffffff8048012d>] error_exit+0x0/0x84
[<ffffffff802d9210>] ext3_journal_dirty_data+0x0/0x50
[<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
[<ffffffff80284a13>] dput+0x23/0x170
[<ffffffff8027c437>] __link_path_walk+0xbd7/0xd40
[<ffffffff8047ee5f>] __mutex_lock_slowpath+0x1df/0x1f0
[<ffffffff8024f247>] generic_file_aio_write+0x67/0xd0
[<ffffffff802d7153>] ext3_file_write+0x23/0xc0
[<ffffffff802d7130>] ext3_file_write+0x0/0xc0
[<ffffffff80271f53>] do_sync_readv_writev+0xc3/0x110
[<ffffffff8023d910>] autoremove_wake_function+0x0/0x30
[<ffffffff80271daa>] rw_copy_check_uvector+0x8a/0x130
[<ffffffff802726ef>] do_readv_writev+0xef/0x200
[<ffffffff80272d43>] sys_writev+0x53/0xc0
[<ffffffff80209d91>] tracesys+0xd1/0xe0
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