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SubjectRe: reiserfs deadlock
From
On 3 February 2010 22:03, Alexander Beregalov <a.beregalov@gmail.com> wrote:
> Hi Frederic
>
> I do not have previous messages and do not know how to reproduce it.
> Kernel was 2.6.33-rc5-00237-g9a3cbe3
>

Hm, I have the same after reboot.

Do you need me to do anything before I try to fsck ?


INFO: task metalog:1561 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
metalog D f66768b0 5692 1561 1 0x00000000
f6463d3c 00000046 00000007 f66768b0 c134e72d f6676b30 f66768b0 c104e4c4
f7313c84 f7313c84 00000246 f66768b0 f6463d80 c134e6ba 00000000 00000002
00000000 c1110ed8 f7313cac c1110ed8 f7313cc0 f3a19dc4 f3817d18 f66768b0
Call Trace:
[<c134e72d>] ? mutex_lock_nested+0x19d/0x2b0
[<c104e4c4>] ? trace_hardirqs_on_caller+0x124/0x170
[<c134e6ba>] mutex_lock_nested+0x12a/0x2b0
[<c1110ed8>] ? reiserfs_write_lock_once+0x28/0x50
[<c1110ed8>] ? reiserfs_write_lock_once+0x28/0x50
[<c1110ed8>] reiserfs_write_lock_once+0x28/0x50
[<c10f7152>] reiserfs_dirty_inode+0x22/0xc0
[<c1050609>] ? __lock_acquire+0x509/0xa70
[<c10ade0c>] __mark_inode_dirty+0x2c/0x130
[<c10a48e2>] file_update_time+0xa2/0x110
[<c106a199>] __generic_file_aio_write+0x1c9/0x4f0
[<c104e4c4>] ? trace_hardirqs_on_caller+0x124/0x170
[<c106a514>] generic_file_aio_write+0x54/0xb0
[<c107b22a>] ? might_fault+0x4a/0xa0
[<c109218c>] do_sync_write+0x9c/0xd0
[<c107b22a>] ? might_fault+0x4a/0xa0
[<c10f01d8>] reiserfs_file_write+0x88/0xa0
[<c1092b5a>] vfs_write+0x9a/0x160
[<c10f0150>] ? reiserfs_file_write+0x0/0xa0
[<c1092ccd>] sys_write+0x3d/0x70
[<c1002b10>] sysenter_do_call+0x12/0x36
2 locks held by metalog/1561:
#0: (&sb->s_type->i_mutex_key#5){+.+.+.}, at: [<c106a501>]
generic_file_aio_write+0x41/0xb0
#1: (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110ed8>]
reiserfs_write_lock_once+0x28/0x50
INFO: task svscan:1603 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
svscan D f66da9e0 5248 1603 1 0x00000000
f3a19da0 00000046 00000007 f66da9e0 c134e72d f66dac60 f66da9e0 c104e4c4
f7313c84 f7313c84 00000246 f66da9e0 f3a19de4 c134e6ba 00000000 00000002
00000000 c1110f28 f7313cac c1110f28 f7313cc0 f3b5ddc4 f6463d60 f66da9e0
Call Trace:
[<c134e72d>] ? mutex_lock_nested+0x19d/0x2b0
[<c104e4c4>] ? trace_hardirqs_on_caller+0x124/0x170
[<c134e6ba>] mutex_lock_nested+0x12a/0x2b0
[<c1110f28>] ? reiserfs_write_lock+0x28/0x40
[<c1110f28>] ? reiserfs_write_lock+0x28/0x40
[<c1110f28>] reiserfs_write_lock+0x28/0x40
[<c10f068a>] reiserfs_readdir_dentry+0x5a/0x720
[<c1042c55>] ? sched_clock_cpu+0x95/0x110
[<c104ca3b>] ? trace_hardirqs_off+0xb/0x10
[<c109ff00>] ? filldir+0x0/0xd0
[<c1042c55>] ? sched_clock_cpu+0x95/0x110
[<c1050609>] ? __lock_acquire+0x509/0xa70
[<c104e202>] ? mark_held_locks+0x62/0x90
[<c134e491>] ? mutex_lock_killable_nested+0x201/0x300
[<c104e4c4>] ? trace_hardirqs_on_caller+0x124/0x170
[<c134e49b>] ? mutex_lock_killable_nested+0x20b/0x300
[<c10a0112>] ? vfs_readdir+0x52/0xa0
[<c10a0112>] ? vfs_readdir+0x52/0xa0
[<c109ff00>] ? filldir+0x0/0xd0
[<c10f0d67>] reiserfs_readdir+0x17/0x20
[<c10a0145>] vfs_readdir+0x85/0xa0
[<c10a0278>] sys_getdents+0x68/0xc0
[<c1002b10>] sysenter_do_call+0x12/0x36
2 locks held by svscan/1603:
#0: (&sb->s_type->i_mutex_key#5){+.+.+.}, at: [<c10a0112>]
vfs_readdir+0x52/0xa0
#1: (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110f28>]
reiserfs_write_lock+0x28/0x40
INFO: task nfsd:1740 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
nfsd D a741d0d1 5700 1740 2 0x00000000
f6757a78 00000046 00000007 a741d0d1 00000010 f38d2c60 f38d29e0 c104e4c4
f7313c84 f7313c84 00000246 f38d29e0 f6757abc c134e6ba 00000000 00000002
00000000 c1110f28 f7313cac c1110f28 f7313cc0 f3817d18 f7313cac f38d29e0
Call Trace:
[<c104e4c4>] ? trace_hardirqs_on_caller+0x124/0x170
[<c134e6ba>] mutex_lock_nested+0x12a/0x2b0
[<c1110f28>] ? reiserfs_write_lock+0x28/0x40
[<c1110f28>] ? reiserfs_write_lock+0x28/0x40
[<c1110f28>] reiserfs_write_lock+0x28/0x40
[<c1102687>] search_by_key+0x247/0x21b0
[<c104b5a0>] ? usage_match+0x0/0x20
[<c104b5a0>] ? usage_match+0x0/0x20
[<c105891b>] ? __module_text_address+0xb/0x50
[<c1058968>] ? is_module_text_address+0x8/0x10
[<c103b257>] ? __kernel_text_address+0x47/0x70
[<c10051a1>] ? print_context_stack+0x41/0xb0
[<c10042ff>] ? dump_trace+0x7f/0xd0
[<c104bc52>] ? __bfs+0x102/0x200
[<c1042c55>] ? sched_clock_cpu+0x95/0x110
[<c1042975>] ? T.324+0x15/0x1b0
[<c10ebfdf>] reiserfs_read_locked_inode+0x5f/0x5a0
[<c1042c55>] ? sched_clock_cpu+0x95/0x110
[<c10ec5af>] reiserfs_iget+0x8f/0xb0
[<c10ea440>] ? reiserfs_init_locked_inode+0x0/0x20
[<c10ec5f9>] reiserfs_get_dentry+0x29/0x70
[<c1042c55>] ? sched_clock_cpu+0x95/0x110
[<c10ec6cf>] reiserfs_fh_to_dentry+0x3f/0xb0
[<c1128b85>] exportfs_decode_fh+0x35/0x200
[<c134018c>] ? sunrpc_cache_lookup+0x5c/0x140
[<c133fbc0>] ? cache_check+0x30/0x330
[<c134018c>] ? sunrpc_cache_lookup+0x5c/0x140
[<c108cab4>] ? slab_pad_check+0x34/0x120
[<c11305fa>] ? exp_get_by_name+0x4a/0x70
[<c134018c>] ? sunrpc_cache_lookup+0x5c/0x140
[<c108ce74>] ? check_object+0xe4/0x200
[<c108d470>] ? init_object+0x40/0x70
[<c104e202>] ? mark_held_locks+0x62/0x90
[<c108ed55>] ? kmem_cache_alloc+0xa5/0xf0
[<c104e4c4>] ? trace_hardirqs_on_caller+0x124/0x170
[<c104e51b>] ? trace_hardirqs_on+0xb/0x10
[<c1042de2>] ? prepare_creds+0x22/0x50
[<c1042de2>] ? prepare_creds+0x22/0x50
[<c112c3a7>] fh_verify+0x2f7/0x580
[<c112bf50>] ? nfsd_acceptable+0x0/0xf0
[<c102ea21>] ? local_bh_enable_ip+0x61/0xc0
[<c104e4c4>] ? trace_hardirqs_on_caller+0x124/0x170
[<c13422ab>] ? svc_xprt_enqueue+0x7b/0x240
[<c1135245>] nfsd3_proc_getattr+0x55/0xb0
[<c1129055>] nfsd_dispatch+0x95/0x200
[<c133697a>] svc_process+0x40a/0x730
[<c1129654>] nfsd+0xa4/0x130
[<c11295b0>] ? nfsd+0x0/0x130
[<c103d1fc>] kthread+0x6c/0x80
[<c103d190>] ? kthread+0x0/0x80
[<c100303a>] kernel_thread_helper+0x6/0x1c
2 locks held by nfsd/1740:
#0: (hash_sem){.+.+.+}, at: [<c1131a2d>] exp_readlock+0xd/0x10
#1: (&REISERFS_SB(s)->lock){+.+.+.}, at: [<c1110f28>]
reiserfs_write_lock+0x28/0x40
INFO: task agetty:1867 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
agetty D f380d3c0 5444 1867 1 0x00000000
f3805db4 00000046 00000007 f380d3c0 c134e72d f380d640 f380d3c0 c104e4c4
f6dce118 f6dce118 00000246 f380d3c0 f3805df8 c134e6ba 00000000 00000002
00000000 c109a4bb f6dce140 c109a4bb f6dce154 f6dce140 f3813dd8 f380d3c0
Call Trace:
[<c134e72d>] ? mutex_lock_nested+0x19d/0x2b0
[<c104e4c4>] ? trace_hardirqs_on_caller+0x124/0x170
[<c134e6ba>] mutex_lock_nested+0x12a/0x2b0
[<c109a4bb>] ? do_lookup+0xbb/0x1c0
[<c109a4bb>] ? do_lookup+0xbb/0x1c0
[<c109a4bb>] do_lookup+0xbb/0x1c0
[<c1099eda>] ? generic_permission+0x1a/0xa0
[<c109c06e>] link_path_walk+0x3be/0xc10
[<c1042d1e>] ? cpu_clock+0x4e/0x60
[<c109ca23>] path_walk+0x43/0xa0
[<c109cb51>] do_path_lookup+0x51/0x60
[<c109dc8a>] do_filp_open+0x4fa/0x9f0
[<c13501cd>] ? _raw_spin_unlock+0x1d/0x20
[<c10a739a>] ? alloc_fd+0xba/0xf0
[<c11d6545>] ? strncpy_from_user+0x35/0x60
[<c109060f>] do_sys_open+0x4f/0x110
[<c13526a5>] ? do_page_fault+0x155/0x370
[<c1090739>] sys_open+0x29/0x40
[<c1002b10>] sysenter_do_call+0x12/0x36
1 lock held by agetty/1867:
#0: (&sb->s_type->i_mutex_key#5){+.+.+.}, at: [<c109a4bb>]
do_lookup+0xbb/0x1c0
and so on...


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