[Ocfs2-users] ocfs2 - Kernel panic on many write/read from both servers
Eduardo Diaz - Gmail
ediazrod at gmail.com
Wed Dec 7 03:02:33 PST 2011
I make the same test that you...
and.. error too :-(
75120.532071] INFO: task o2quot/0:3714 blocked for more than 120 seconds.
[75120.532091] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[75120.532108] o2quot/0 D f5939dc8 0 3714 2 0x00000000
[75120.532113] f6bc4c80 00000046 c1441e20 f5939dc8 f6bc4e3c c1441e20
c1441e20 f9bbdbf2
[75120.532121] f6bc4e3c c3a08e20 00000000 c33d1f43 0000442f f9a7c716
f6bc4c80 f6bc4c80
[75120.532128] eedd5b7c f6bc4e3c f6bd6414 f6bd643c 00000004 00000000
011cd9ce f6bd6630
[75120.532136] Call Trace:
[75120.532154] [<f9bbdbf2>] ? ocfs2_metadata_cache_io_unlock+0x11/0x12 [ocfs2]
[75120.532163] [<f9a7c716>] ? start_this_handle+0x2fb/0x37e [jbd2]
[75120.532171] [<c127f4d7>] ? __mutex_lock_common+0xe8/0x13b
[75120.532176] [<c127f539>] ? __mutex_lock_slowpath+0xf/0x11
[75120.532180] [<c127f5ca>] ? mutex_lock+0x17/0x24
[75120.532184] [<c127f5ca>] ? mutex_lock+0x17/0x24
[75120.532198] [<f9bc3e91>] ? ocfs2_sync_dquot_helper+0x166/0x2c5 [ocfs2]
[75120.532204] [<c10ec21d>] ? dquot_scan_active+0x63/0xab
[75120.532217] [<f9bc3d2b>] ? ocfs2_sync_dquot_helper+0x0/0x2c5 [ocfs2]
[75120.532231] [<f9bc325b>] ? qsync_work_fn+0x23/0x3b [ocfs2]
[75120.532236] [<c1047917>] ? worker_thread+0x141/0x1bd
[75120.532249] [<f9bc3238>] ? qsync_work_fn+0x0/0x3b [ocfs2]
[75120.532254] [<c104a65a>] ? autoremove_wake_function+0x0/0x2d
[75120.532258] [<c10477d6>] ? worker_thread+0x0/0x1bd
[75120.532262] [<c104a428>] ? kthread+0x61/0x66
[75120.532266] [<c104a3c7>] ? kthread+0x0/0x66
[75120.532271] [<c1008d87>] ? kernel_thread_helper+0x7/0x10
[75120.532276] INFO: task jbd2/drbd0-21:3723 blocked for more than 120 seconds.
On Wed, Dec 7, 2011 at 11:42 AM, Eduardo Diaz - Gmail
<ediazrod at gmail.com> wrote:
> You can make a fsck.ocfs2 to see if the filesystem are broken?
>
> On Wed, Dec 7, 2011 at 11:30 AM, Marek Krolikowski <admin at wset.edu.pl> wrote:
>> Hello
>> I use: sys-fs/ocfs2-tools-1.6.4 and create file system with all features:
>> mkfs.ocfs2 -N 2 -L MAIL --fs-feature-level=max-features /dev/dm-0
>> and after this got kernel panic :(
>>
>>
>>
>> -----Oryginalna wiadomość----- From: Eduardo Diaz - Gmail
>> Sent: Wednesday, December 07, 2011 11:08 AM
>> To: Marek Krolikowski
>>
>> Cc: ocfs2-users at oss.oracle.com
>> Subject: Re: [Ocfs2-users] ocfs2 - Kernel panic on many write/read from both
>> servers
>>
>> Try to use other filesystem for example xfs and make a full test.
>>
>> Try create a one node cluster and filesystem and make tests..
>> (fileindex can be the problem)
>>
>> make a fsck to the filesystem
>>
>> Try upgrade ocfs2 to last version and use the max features, only has
>> two nodes?..
>>
>> I will do. make a backup, create a new filesystem with all features
>> that you need and make mkfs. the cluster only with the number of the
>> nodes that you will use.
>>
>> Restore de data.
>>
>> Make extensive test for a week before put in production :-)..
>>
>> On Tue, Dec 6, 2011 at 2:04 PM, Marek Krolikowski <admin at wset.edu.pl> wrote:
>>>
>>> hey m8
>>> Like i say i am not expert too but when i use ext3 and write/read working
>>> with np.
>>>
>>>
>>> -----Oryginalna wiadomość----- From: Eduardo Diaz - Gmail
>>> Sent: Tuesday, December 06, 2011 3:06 AM
>>> To: Marek Królikowski
>>> Cc: ocfs2-users at oss.oracle.com
>>> Subject: Re: [Ocfs2-users] ocfs2 - Kernel panic on many write/read from
>>> both
>>> servers
>>>
>>>
>>> I am not a expert, but you have a problem in you EMC system (multipath
>>> system) or drivers.
>>>
>>> Did you test this before put in production? or test this NAS with
>>> other filesystem, xfs for example?.
>>>
>>> As I read I see" that hung_task_timeout_secs" some task wait more that
>>> 120 seg may be a problem of you EMC/Fiber/cable problem...
>>>
>>> 2011/12/4 Marek Królikowski <admin at wset.edu.pl>:
>>>>
>>>>
>>>> I do for all night tests with write/read files from ocfs2 on both servers
>>>> something like this:
>>>> On MAIL1 server:
>>>> #!/bin/bash
>>>> while true
>>>> do
>>>> rm -rf /mnt/EMC/MAIL1
>>>> mkdir /mnt/EMC/MAIL1
>>>> cp -r /usr /mnt/EMC/MAIL1
>>>> rm -rf /mnt/EMC/MAIL1
>>>> done;
>>>> On MAIL2 server:
>>>> #!/bin/bash
>>>> while true
>>>> do
>>>> rm -rf /mnt/EMC/MAIL2
>>>> mkdir /mnt/EMC/MAIL2
>>>> cp -r /usr /mnt/EMC/MAIL2
>>>> rm -rf /mnt/EMC/MAIL2
>>>> done;
>>>>
>>>> Today i check logs and see:
>>>> o2dlm: Node 1 joins domain EAC7942B71964050AE2046D3F0CDD7B2
>>>> o2dlm: Nodes in domain EAC7942B71964050AE2046D3F0CDD7B2: 0 1
>>>> (rm,26136,0):ocfs2_unlink:953 ERROR: status = -2
>>>> (touch,26137,0):ocfs2_check_dir_for_entry:2120 ERROR: status = -17
>>>> (touch,26137,0):ocfs2_mknod:461 ERROR: status = -17
>>>> (touch,26137,0):ocfs2_create:631 ERROR: status = -17
>>>> (rm,26142,0):ocfs2_unlink:953 ERROR: status = -2
>>>> INFO: task kworker/u:2:20246 blocked for more than 120 seconds.
>>>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>>>> kworker/u:2 D ffff88107f4525c0 0 20246 2 0x00000000
>>>> ffff880b730b57d0 0000000000000046 ffff8810201297d0 00000000000125c0
>>>> ffff880f5a399fd8 00000000000125c0 00000000000125c0 00000000000125c0
>>>> ffff880f5a398000 00000000000125c0 ffff880f5a399fd8 00000000000125c0
>>>> Call Trace:
>>>> [<ffffffff81481b71>] ? __mutex_lock_slowpath+0xd1/0x140
>>>> [<ffffffff814818d3>] ? mutex_lock+0x23/0x40
>>>> [<ffffffffa0937d95>] ? ocfs2_wipe_inode+0x105/0x690 [ocfs2]
>>>> [<ffffffffa0935cfb>] ? ocfs2_query_inode_wipe.clone.9+0xcb/0x370 [ocfs2]
>>>> [<ffffffffa09385a4>] ? ocfs2_delete_inode+0x284/0x3f0 [ocfs2]
>>>> [<ffffffffa0919a10>] ? ocfs2_dentry_attach_lock+0x5a0/0x5a0 [ocfs2]
>>>> [<ffffffffa093872e>] ? ocfs2_evict_inode+0x1e/0x50 [ocfs2]
>>>> [<ffffffff81145900>] ? evict+0x70/0x140
>>>> [<ffffffffa0919322>] ? __ocfs2_drop_dl_inodes.clone.2+0x32/0x60 [ocfs2]
>>>> [<ffffffffa0919a39>] ? ocfs2_drop_dl_inodes+0x29/0x90 [ocfs2]
>>>> [<ffffffff8106e56f>] ? process_one_work+0x11f/0x440
>>>> [<ffffffff8106f279>] ? worker_thread+0x159/0x330
>>>> [<ffffffff8106f120>] ? manage_workers.clone.21+0x120/0x120
>>>> [<ffffffff8106f120>] ? manage_workers.clone.21+0x120/0x120
>>>> [<ffffffff81073fa6>] ? kthread+0x96/0xa0
>>>> [<ffffffff8148bb24>] ? kernel_thread_helper+0x4/0x10
>>>> [<ffffffff81073f10>] ? kthread_worker_fn+0x1a0/0x1a0
>>>> [<ffffffff8148bb20>] ? gs_change+0x13/0x13
>>>> INFO: task rm:5192 blocked for more than 120 seconds.
>>>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>>>> rm D ffff88107f2725c0 0 5192 16338 0x00000000
>>>> ffff881014ccb040 0000000000000082 ffff8810206b8040 00000000000125c0
>>>> ffff8804d7697fd8 00000000000125c0 00000000000125c0 00000000000125c0
>>>> ffff8804d7696000 00000000000125c0 ffff8804d7697fd8 00000000000125c0
>>>> Call Trace:
>>>> [<ffffffff8148148d>] ? schedule_timeout+0x1ed/0x2e0
>>>> [<ffffffffa0886162>] ? dlmconvert_master+0xe2/0x190 [ocfs2_dlm]
>>>> [<ffffffffa08878bf>] ? dlmlock+0x7f/0xb70 [ocfs2_dlm]
>>>> [<ffffffff81480e0a>] ? wait_for_common+0x13a/0x190
>>>> [<ffffffff8104bc50>] ? try_to_wake_up+0x280/0x280
>>>> [<ffffffffa0928a38>] ? __ocfs2_cluster_lock.clone.21+0x1d8/0x6b0 [ocfs2]
>>>> [<ffffffffa0928fcc>] ? ocfs2_inode_lock_full_nested+0xbc/0x490 [ocfs2]
>>>> [<ffffffffa0943c1b>] ? ocfs2_lookup_lock_orphan_dir+0x6b/0x1b0 [ocfs2]
>>>> [<ffffffffa09454ba>] ? ocfs2_prepare_orphan_dir+0x4a/0x280 [ocfs2]
>>>> [<ffffffffa094616f>] ? ocfs2_unlink+0x6ef/0xb90 [ocfs2]
>>>> [<ffffffff811b35a9>] ? may_link.clone.22+0xd9/0x170
>>>> [<ffffffff8113aa58>] ? vfs_unlink+0x98/0x100
>>>> [<ffffffff8113ac41>] ? do_unlinkat+0x181/0x1b0
>>>> [<ffffffff8113e7cd>] ? vfs_readdir+0x9d/0xe0
>>>> [<ffffffff811653d8>] ? fsnotify_find_inode_mark+0x28/0x40
>>>> [<ffffffff81166324>] ? dnotify_flush+0x54/0x110
>>>> [<ffffffff8112b07f>] ? filp_close+0x5f/0x90
>>>> [<ffffffff8148aa12>] ? system_call_fastpath+0x16/0x1b
>>>> INFO: task kworker/u:2:20246 blocked for more than 120 seconds.
>>>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>>>> kworker/u:2 D ffff88107f4525c0 0 20246 2 0x00000000
>>>> ffff880b730b57d0 0000000000000046 ffff8810201297d0 00000000000125c0
>>>> ffff880f5a399fd8 00000000000125c0 00000000000125c0 00000000000125c0
>>>> ffff880f5a398000 00000000000125c0 ffff880f5a399fd8 00000000000125c0
>>>> Call Trace:
>>>> [<ffffffff81481b71>] ? __mutex_lock_slowpath+0xd1/0x140
>>>> [<ffffffff814818d3>] ? mutex_lock+0x23/0x40
>>>> [<ffffffffa0937d95>] ? ocfs2_wipe_inode+0x105/0x690 [ocfs2]
>>>> [<ffffffffa0935cfb>] ? ocfs2_query_inode_wipe.clone.9+0xcb/0x370 [ocfs2]
>>>> [<ffffffffa09385a4>] ? ocfs2_delete_inode+0x284/0x3f0 [ocfs2]
>>>> [<ffffffffa0919a10>] ? ocfs2_dentry_attach_lock+0x5a0/0x5a0 [ocfs2]
>>>> [<ffffffffa093872e>] ? ocfs2_evict_inode+0x1e/0x50 [ocfs2]
>>>> [<ffffffff81145900>] ? evict+0x70/0x140
>>>> [<ffffffffa0919322>] ? __ocfs2_drop_dl_inodes.clone.2+0x32/0x60 [ocfs2]
>>>> [<ffffffffa0919a39>] ? ocfs2_drop_dl_inodes+0x29/0x90 [ocfs2]
>>>> [<ffffffff8106e56f>] ? process_one_work+0x11f/0x440
>>>> [<ffffffff8106f279>] ? worker_thread+0x159/0x330
>>>> [<ffffffff8106f120>] ? manage_workers.clone.21+0x120/0x120
>>>> [<ffffffff8106f120>] ? manage_workers.clone.21+0x120/0x120
>>>> [<ffffffff81073fa6>] ? kthread+0x96/0xa0
>>>> [<ffffffff8148bb24>] ? kernel_thread_helper+0x4/0x10
>>>> [<ffffffff81073f10>] ? kthread_worker_fn+0x1a0/0x1a0
>>>> [<ffffffff8148bb20>] ? gs_change+0x13/0x13
>>>> INFO: task rm:5192 blocked for more than 120 seconds.
>>>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>>>> rm D ffff88107f2725c0 0 5192 16338 0x00000000
>>>> ffff881014ccb040 0000000000000082 ffff8810206b8040 00000000000125c0
>>>> ffff8804d7697fd8 00000000000125c0 00000000000125c0 00000000000125c0
>>>> ffff8804d7696000 00000000000125c0 ffff8804d7697fd8 00000000000125c0
>>>> Call Trace:
>>>> [<ffffffff8148148d>] ? schedule_timeout+0x1ed/0x2e0
>>>> [<ffffffffa0886162>] ? dlmconvert_master+0xe2/0x190 [ocfs2_dlm]
>>>> [<ffffffffa08878bf>] ? dlmlock+0x7f/0xb70 [ocfs2_dlm]
>>>> [<ffffffff81480e0a>] ? wait_for_common+0x13a/0x190
>>>> [<ffffffff8104bc50>] ? try_to_wake_up+0x280/0x280
>>>> [<ffffffffa0928a38>] ? __ocfs2_cluster_lock.clone.21+0x1d8/0x6b0 [ocfs2]
>>>> [<ffffffffa0928fcc>] ? ocfs2_inode_lock_full_nested+0xbc/0x490 [ocfs2]
>>>> [<ffffffffa0943c1b>] ? ocfs2_lookup_lock_orphan_dir+0x6b/0x1b0 [ocfs2]
>>>> [<ffffffffa09454ba>] ? ocfs2_prepare_orphan_dir+0x4a/0x280 [ocfs2]
>>>> [<ffffffffa094616f>] ? ocfs2_unlink+0x6ef/0xb90 [ocfs2]
>>>> [<ffffffff811b35a9>] ? may_link.clone.22+0xd9/0x170
>>>> [<ffffffff8113aa58>] ? vfs_unlink+0x98/0x100
>>>> [<ffffffff8113ac41>] ? do_unlinkat+0x181/0x1b0
>>>> [<ffffffff8113e7cd>] ? vfs_readdir+0x9d/0xe0
>>>> [<ffffffff811653d8>] ? fsnotify_find_inode_mark+0x28/0x40
>>>> [<ffffffff81166324>] ? dnotify_flush+0x54/0x110
>>>> [<ffffffff8112b07f>] ? filp_close+0x5f/0x90
>>>> [<ffffffff8148aa12>] ? system_call_fastpath+0x16/0x1b
>>>> INFO: task kworker/u:2:20246 blocked for more than 120 seconds.
>>>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>>>> kworker/u:2 D ffff88107f4525c0 0 20246 2 0x00000000
>>>> ffff880b730b57d0 0000000000000046 ffff8810201297d0 00000000000125c0
>>>> ffff880f5a399fd8 00000000000125c0 00000000000125c0 00000000000125c0
>>>> ffff880f5a398000 00000000000125c0 ffff880f5a399fd8 00000000000125c0
>>>> Call Trace:
>>>> [<ffffffff81481b71>] ? __mutex_lock_slowpath+0xd1/0x140
>>>> [<ffffffff814818d3>] ? mutex_lock+0x23/0x40
>>>> [<ffffffffa0937d95>] ? ocfs2_wipe_inode+0x105/0x690 [ocfs2]
>>>> [<ffffffffa0935cfb>] ? ocfs2_query_inode_wipe.clone.9+0xcb/0x370 [ocfs2]
>>>> [<ffffffffa09385a4>] ? ocfs2_delete_inode+0x284/0x3f0 [ocfs2]
>>>> [<ffffffffa0919a10>] ? ocfs2_dentry_attach_lock+0x5a0/0x5a0 [ocfs2]
>>>> [<ffffffffa093872e>] ? ocfs2_evict_inode+0x1e/0x50 [ocfs2]
>>>> [<ffffffff81145900>] ? evict+0x70/0x140
>>>> [<ffffffffa0919322>] ? __ocfs2_drop_dl_inodes.clone.2+0x32/0x60 [ocfs2]
>>>> [<ffffffffa0919a39>] ? ocfs2_drop_dl_inodes+0x29/0x90 [ocfs2]
>>>> [<ffffffff8106e56f>] ? process_one_work+0x11f/0x440
>>>> [<ffffffff8106f279>] ? worker_thread+0x159/0x330
>>>> [<ffffffff8106f120>] ? manage_workers.clone.21+0x120/0x120
>>>> [<ffffffff8106f120>] ? manage_workers.clone.21+0x120/0x120
>>>> [<ffffffff81073fa6>] ? kthread+0x96/0xa0
>>>> [<ffffffff8148bb24>] ? kernel_thread_helper+0x4/0x10
>>>> [<ffffffff81073f10>] ? kthread_worker_fn+0x1a0/0x1a0
>>>> [<ffffffff8148bb20>] ? gs_change+0x13/0x13
>>>> INFO: task rm:5192 blocked for more than 120 seconds.
>>>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>>>> rm D ffff88107f2725c0 0 5192 16338 0x00000000
>>>> ffff881014ccb040 0000000000000082 ffff8810206b8040 00000000000125c0
>>>> ffff8804d7697fd8 00000000000125c0 00000000000125c0 00000000000125c0
>>>> ffff8804d7696000 00000000000125c0 ffff8804d7697fd8 00000000000125c0
>>>> Call Trace:
>>>> [<ffffffff8148148d>] ? schedule_timeout+0x1ed/0x2e0
>>>> [<ffffffffa0886162>] ? dlmconvert_master+0xe2/0x190 [ocfs2_dlm]
>>>> [<ffffffffa08878bf>] ? dlmlock+0x7f/0xb70 [ocfs2_dlm]
>>>> [<ffffffff81480e0a>] ? wait_for_common+0x13a/0x190
>>>> [<ffffffff8104bc50>] ? try_to_wake_up+0x280/0x280
>>>> [<ffffffffa0928a38>] ? __ocfs2_cluster_lock.clone.21+0x1d8/0x6b0 [ocfs2]
>>>> [<ffffffffa0928fcc>] ? ocfs2_inode_lock_full_nested+0xbc/0x490 [ocfs2]
>>>> [<ffffffffa0943c1b>] ? ocfs2_lookup_lock_orphan_dir+0x6b/0x1b0 [ocfs2]
>>>> [<ffffffffa09454ba>] ? ocfs2_prepare_orphan_dir+0x4a/0x280 [ocfs2]
>>>> [<ffffffffa094616f>] ? ocfs2_unlink+0x6ef/0xb90 [ocfs2]
>>>> [<ffffffff811b35a9>] ? may_link.clone.22+0xd9/0x170
>>>> [<ffffffff8113aa58>] ? vfs_unlink+0x98/0x100
>>>> [<ffffffff8113ac41>] ? do_unlinkat+0x181/0x1b0
>>>> [<ffffffff8113e7cd>] ? vfs_readdir+0x9d/0xe0
>>>> [<ffffffff811653d8>] ? fsnotify_find_inode_mark+0x28/0x40
>>>> [<ffffffff81166324>] ? dnotify_flush+0x54/0x110
>>>> [<ffffffff8112b07f>] ? filp_close+0x5f/0x90
>>>> [<ffffffff8148aa12>] ? system_call_fastpath+0x16/0x1b
>>>> INFO: task kworker/u:2:20246 blocked for more than 120 seconds.
>>>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>>>> kworker/u:2 D ffff88107f4525c0 0 20246 2 0x00000000
>>>> ffff880b730b57d0 0000000000000046 ffff8810201297d0 00000000000125c0
>>>> ffff880f5a399fd8 00000000000125c0 00000000000125c0 00000000000125c0
>>>> ffff880f5a398000 00000000000125c0 ffff880f5a399fd8 00000000000125c0
>>>> Call Trace:
>>>> [<ffffffff81481b71>] ? __mutex_lock_slowpath+0xd1/0x140
>>>> [<ffffffff814818d3>] ? mutex_lock+0x23/0x40
>>>> [<ffffffffa0937d95>] ? ocfs2_wipe_inode+0x105/0x690 [ocfs2]
>>>> [<ffffffffa0935cfb>] ? ocfs2_query_inode_wipe.clone.9+0xcb/0x370 [ocfs2]
>>>> [<ffffffffa09385a4>] ? ocfs2_delete_inode+0x284/0x3f0 [ocfs2]
>>>> [<ffffffffa0919a10>] ? ocfs2_dentry_attach_lock+0x5a0/0x5a0 [ocfs2]
>>>> [<ffffffffa093872e>] ? ocfs2_evict_inode+0x1e/0x50 [ocfs2]
>>>> [<ffffffff81145900>] ? evict+0x70/0x140
>>>> [<ffffffffa0919322>] ? __ocfs2_drop_dl_inodes.clone.2+0x32/0x60 [ocfs2]
>>>> [<ffffffffa0919a39>] ? ocfs2_drop_dl_inodes+0x29/0x90 [ocfs2]
>>>> [<ffffffff8106e56f>] ? process_one_work+0x11f/0x440
>>>> [<ffffffff8106f279>] ? worker_thread+0x159/0x330
>>>> [<ffffffff8106f120>] ? manage_workers.clone.21+0x120/0x120
>>>> [<ffffffff8106f120>] ? manage_workers.clone.21+0x120/0x120
>>>> [<ffffffff81073fa6>] ? kthread+0x96/0xa0
>>>> [<ffffffff8148bb24>] ? kernel_thread_helper+0x4/0x10
>>>> [<ffffffff81073f10>] ? kthread_worker_fn+0x1a0/0x1a0
>>>> [<ffffffff8148bb20>] ? gs_change+0x13/0x13
>>>> INFO: task rm:5192 blocked for more than 120 seconds.
>>>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>>>> rm D ffff88107f2725c0 0 5192 16338 0x00000000
>>>> ffff881014ccb040 0000000000000082 ffff8810206b8040 00000000000125c0
>>>> ffff8804d7697fd8 00000000000125c0 00000000000125c0 00000000000125c0
>>>> ffff8804d7696000 00000000000125c0 ffff8804d7697fd8 00000000000125c0
>>>> Call Trace:
>>>> [<ffffffff8148148d>] ? schedule_timeout+0x1ed/0x2e0
>>>> [<ffffffffa0886162>] ? dlmconvert_master+0xe2/0x190 [ocfs2_dlm]
>>>> [<ffffffffa08878bf>] ? dlmlock+0x7f/0xb70 [ocfs2_dlm]
>>>> [<ffffffff81480e0a>] ? wait_for_common+0x13a/0x190
>>>> [<ffffffff8104bc50>] ? try_to_wake_up+0x280/0x280
>>>> [<ffffffffa0928a38>] ? __ocfs2_cluster_lock.clone.21+0x1d8/0x6b0 [ocfs2]
>>>> [<ffffffffa0928fcc>] ? ocfs2_inode_lock_full_nested+0xbc/0x490 [ocfs2]
>>>> [<ffffffffa0943c1b>] ? ocfs2_lookup_lock_orphan_dir+0x6b/0x1b0 [ocfs2]
>>>> [<ffffffffa09454ba>] ? ocfs2_prepare_orphan_dir+0x4a/0x280 [ocfs2]
>>>> [<ffffffffa094616f>] ? ocfs2_unlink+0x6ef/0xb90 [ocfs2]
>>>> [<ffffffff811b35a9>] ? may_link.clone.22+0xd9/0x170
>>>> [<ffffffff8113aa58>] ? vfs_unlink+0x98/0x100
>>>> [<ffffffff8113ac41>] ? do_unlinkat+0x181/0x1b0
>>>> [<ffffffff8113e7cd>] ? vfs_readdir+0x9d/0xe0
>>>> [<ffffffff811653d8>] ? fsnotify_find_inode_mark+0x28/0x40
>>>> [<ffffffff81166324>] ? dnotify_flush+0x54/0x110
>>>> [<ffffffff8112b07f>] ? filp_close+0x5f/0x90
>>>> [<ffffffff8148aa12>] ? system_call_fastpath+0x16/0x1b
>>>> INFO: task kworker/u:2:20246 blocked for more than 120 seconds.
>>>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>>>> kworker/u:2 D ffff88107f4525c0 0 20246 2 0x00000000
>>>> ffff880b730b57d0 0000000000000046 ffff8810201297d0 00000000000125c0
>>>> ffff880f5a399fd8 00000000000125c0 00000000000125c0 00000000000125c0
>>>> ffff880f5a398000 00000000000125c0 ffff880f5a399fd8 00000000000125c0
>>>> Call Trace:
>>>> [<ffffffff81481b71>] ? __mutex_lock_slowpath+0xd1/0x140
>>>> [<ffffffff814818d3>] ? mutex_lock+0x23/0x40
>>>> [<ffffffffa0937d95>] ? ocfs2_wipe_inode+0x105/0x690 [ocfs2]
>>>> [<ffffffffa0935cfb>] ? ocfs2_query_inode_wipe.clone.9+0xcb/0x370 [ocfs2]
>>>> [<ffffffffa09385a4>] ? ocfs2_delete_inode+0x284/0x3f0 [ocfs2]
>>>> [<ffffffffa0919a10>] ? ocfs2_dentry_attach_lock+0x5a0/0x5a0 [ocfs2]
>>>> [<ffffffffa093872e>] ? ocfs2_evict_inode+0x1e/0x50 [ocfs2]
>>>> [<ffffffff81145900>] ? evict+0x70/0x140
>>>> [<ffffffffa0919322>] ? __ocfs2_drop_dl_inodes.clone.2+0x32/0x60 [ocfs2]
>>>> [<ffffffffa0919a39>] ? ocfs2_drop_dl_inodes+0x29/0x90 [ocfs2]
>>>> [<ffffffff8106e56f>] ? process_one_work+0x11f/0x440
>>>> [<ffffffff8106f279>] ? worker_thread+0x159/0x330
>>>> [<ffffffff8106f120>] ? manage_workers.clone.21+0x120/0x120
>>>> [<ffffffff8106f120>] ? manage_workers.clone.21+0x120/0x120
>>>> [<ffffffff81073fa6>] ? kthread+0x96/0xa0
>>>> [<ffffffff8148bb24>] ? kernel_thread_helper+0x4/0x10
>>>> [<ffffffff81073f10>] ? kthread_worker_fn+0x1a0/0x1a0
>>>> [<ffffffff8148bb20>] ? gs_change+0x13/0x13
>>>> INFO: task rm:5192 blocked for more than 120 seconds.
>>>> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
>>>> rm D ffff88107f2725c0 0 5192 16338 0x00000000
>>>> ffff881014ccb040 0000000000000082 ffff8810206b8040 00000000000125c0
>>>> ffff8804d7697fd8 00000000000125c0 00000000000125c0 00000000000125c0
>>>> ffff8804d7696000 00000000000125c0 ffff8804d7697fd8 00000000000125c0
>>>> Call Trace:
>>>> [<ffffffff8148148d>] ? schedule_timeout+0x1ed/0x2e0
>>>> [<ffffffffa0886162>] ? dlmconvert_master+0xe2/0x190 [ocfs2_dlm]
>>>> [<ffffffffa08878bf>] ? dlmlock+0x7f/0xb70 [ocfs2_dlm]
>>>> [<ffffffff81480e0a>] ? wait_for_common+0x13a/0x190
>>>> [<ffffffff8104bc50>] ? try_to_wake_up+0x280/0x280
>>>> [<ffffffffa0928a38>] ? __ocfs2_cluster_lock.clone.21+0x1d8/0x6b0 [ocfs2]
>>>> [<ffffffffa0928fcc>] ? ocfs2_inode_lock_full_nested+0xbc/0x490 [ocfs2]
>>>> [<ffffffffa0943c1b>] ? ocfs2_lookup_lock_orphan_dir+0x6b/0x1b0 [ocfs2]
>>>> [<ffffffffa09454ba>] ? ocfs2_prepare_orphan_dir+0x4a/0x280 [ocfs2]
>>>> [<ffffffffa094616f>] ? ocfs2_unlink+0x6ef/0xb90 [ocfs2]
>>>> [<ffffffff811b35a9>] ? may_link.clone.22+0xd9/0x170
>>>> [<ffffffff8113aa58>] ? vfs_unlink+0x98/0x100
>>>> [<ffffffff8113ac41>] ? do_unlinkat+0x181/0x1b0
>>>> [<ffffffff8113e7cd>] ? vfs_readdir+0x9d/0xe0
>>>> [<ffffffff811653d8>] ? fsnotify_find_inode_mark+0x28/0x40
>>>> [<ffffffff81166324>] ? dnotify_flush+0x54/0x110
>>>> [<ffffffff8112b07f>] ? filp_close+0x5f/0x90
>>>> [<ffffffff8148aa12>] ? system_call_fastpath+0x16/0x1b
>>>>
>>>>
>>>> _______________________________________________
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>>>> Ocfs2-users at oss.oracle.com
>>>> http://oss.oracle.com/mailman/listinfo/ocfs2-users
>>>
>>>
>>>
>>
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