Locked system

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Hello,

A system I administer partially locked due to an apparent NFS4
problem. I've attached the trace I found in kern.log. Let me know if
you need any additional information.

-- David
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.156110] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.157545] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.158871] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.160210] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.161519] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.162968] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.164377] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.165694] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.167045] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.169687] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.171027] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.172407] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.173735] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.175065] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.176405] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.177721] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.179029] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:14:42 acesulfame-potassium kernel: [153627.180565] nfs4_reclaim_open_state: unhandled error -13. Zeroing state
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092043] INFO: task events/0:6 blocked for more than 120 seconds.
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092052] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092055] events/0      D c0550500     0     6      2
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092060]        f7455edc 00000046 c0550500 c0550500 f7455e7c f7455e7c 00000246 c0487a70 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092069]        00000000 f744befc f744bed0 f744befc f7455eac c01205b9 00000000 00000000 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092078]        c0511080 000012de f7454000 f744c148 c190bd00 00000000 0249211e c190bd00 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092087] Call Trace:
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092091]  [<c01205b9>] ? update_curr+0x89/0x110
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092102]  [<c012a729>] ? dequeue_task_fair+0x49/0x50
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092108]  [<c037f075>] rwsem_down_failed_common+0x85/0x1a0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092114]  [<c0102df6>] ? __switch_to+0xa6/0x160
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092124]  [<f8d50200>] ? nfs4_renew_state+0x0/0x220 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092149]  [<c037f1dd>] rwsem_down_read_failed+0x1d/0x30
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092154]  [<c037f237>] call_rwsem_down_read_failed+0x7/0x10
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092158]  [<c037e77c>] ? down_read+0x1c/0x20
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092163]  [<f8d5021f>] nfs4_renew_state+0x1f/0x220 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092180]  [<c0192430>] ? vmstat_update+0x0/0x30
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092187]  [<f8d50200>] ? nfs4_renew_state+0x0/0x220 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092205]  [<c01436f5>] run_workqueue+0x95/0x160
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092211]  [<c0147626>] ? finish_wait+0x16/0x70
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092215]  [<c0143998>] worker_thread+0x88/0xf0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092219]  [<c0147560>] ? autoremove_wake_function+0x0/0x50
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092224]  [<c0143910>] ? worker_thread+0x0/0xf0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092228]  [<c01471f1>] kthread+0x41/0x80
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092233]  [<c01471b0>] ? kthread+0x0/0x80
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092237]  [<c0105297>] kernel_thread_helper+0x7/0x10
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092242]  =======================
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092252] INFO: task nfsv4-svc:3752 blocked for more than 120 seconds.
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092255] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092258] nfsv4-svc     D f7be7dac     0  3752      2
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092262]        f7be7e00 00000046 ed724b60 f7be7dac c0102df6 f74e5b2c c1909980 f7be7db4 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092270]        c190bd00 f7be7db4 f74e57f0 00000002 c190bd00 f74e57f0 00000000 00000000 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092278]        c0511080 00000000 f7be6000 f74e5a68 c190bd00 00000000 0248e68d c190bd00 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092286] Call Trace:
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092289]  [<c0102df6>] ? __switch_to+0xa6/0x160
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092294]  [<c037df05>] schedule_timeout+0xb5/0xf0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092298]  [<c01024d5>] ? kernel_thread+0x95/0xb0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092303]  [<f8d50c80>] ? recall_thread+0x0/0xe0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092321]  [<c037dccb>] wait_for_common+0x8b/0x140
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092325]  [<c012b710>] ? default_wake_function+0x0/0x10
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092330]  [<c037de12>] wait_for_completion+0x12/0x20
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092334]  [<f8d50798>] nfs_async_inode_return_delegation+0x78/0x90 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092352]  [<f8d52832>] nfs4_callback_recall+0x92/0x110 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092371]  [<f8d5212b>] ? decode_recall_args+0x6b/0xb0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092390]  [<f8d52350>] process_op+0x120/0x190 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092409]  [<f8d51f21>] ? read_buf+0x11/0x30 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092427]  [<f8cad3a4>] ? xdr_encode_opaque_fixed+0x14/0x80 [sunrpc]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092470]  [<f8d524e4>] nfs4_callback_compound+0x124/0x1a0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092491]  [<f8ca7db2>] svc_process+0x612/0x6d0 [sunrpc]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092511]  [<f8d51e77>] nfs_callback_svc+0x87/0xb0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092530]  [<f8d51df0>] ? nfs_callback_svc+0x0/0xb0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092548]  [<c01471f1>] kthread+0x41/0x80
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092553]  [<c01471b0>] ? kthread+0x0/0x80
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092557]  [<c0105297>] kernel_thread_helper+0x7/0x10
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092561]  =======================
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092596] INFO: task firefox:32255 blocked for more than 120 seconds.
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092600] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092603] firefox       D 00000000     0 32255      1
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092607]        ed4c3e00 00000086 00000000 00000000 00000000 00000000 00000000 00000000 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092614]        00000000 00000000 f7a9cb60 00000000 00000000 00000000 00000000 00000000 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092622]        c0511080 ed4c3df0 ed4c2000 f7a9cdd8 c190bd00 00000000 02490455 c190bd00 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092630] Call Trace:
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092634]  [<c037f075>] rwsem_down_failed_common+0x85/0x1a0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092639]  [<c037f1dd>] rwsem_down_read_failed+0x1d/0x30
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092643]  [<c037f237>] call_rwsem_down_read_failed+0x7/0x10
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092647]  [<c037e77c>] ? down_read+0x1c/0x20
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092652]  [<f8d46364>] _nfs4_proc_setlk+0x74/0x130 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092672]  [<f8d464d3>] nfs4_proc_lock+0xb3/0x1a0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092692]  [<f8d2d39e>] do_setlk+0xae/0xc0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092709]  [<f8d2d470>] ? nfs_lock+0x0/0x1d0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092722]  [<f8d2d51f>] nfs_lock+0xaf/0x1d0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092734]  [<c02358e4>] ? aa_file_permission+0x14/0xc0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092742]  [<f8d2d470>] ? nfs_lock+0x0/0x1d0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092755]  [<c01c2b9a>] vfs_lock_file+0x2a/0x60
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092760]  [<c01c2cb1>] do_lock_file_wait+0x41/0xd0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092763]  [<c01c16be>] ? flock64_to_posix_lock+0xe/0x1a0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092768]  [<c01c2e2a>] fcntl_setlk64+0xea/0x1d0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092772]  [<c01bef22>] sys_fcntl64+0xa2/0xb0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092776]  [<c0103f7b>] sysenter_do_call+0x12/0x2f
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092780]  =======================
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092794] INFO: task firefox:12027 blocked for more than 120 seconds.
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092797] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092799] firefox       D 00000000     0 12027      1
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092803]        ed7a1e00 00000086 00000000 00000000 00000000 00000000 00000000 00000000 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092811]        00000000 00000000 c1c33240 0000af60 00000000 00000000 00000000 ed71fe00 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092818]        c0511080 f6644000 ed7a0000 c1c334b8 c190bd00 00000000 ed7a1e28 c190bd00 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092827] Call Trace:
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092830]  [<c037f075>] rwsem_down_failed_common+0x85/0x1a0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092834]  [<c037f1dd>] rwsem_down_read_failed+0x1d/0x30
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092838]  [<c037f237>] call_rwsem_down_read_failed+0x7/0x10
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092842]  [<c037e77c>] ? down_read+0x1c/0x20
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092847]  [<f8d46364>] _nfs4_proc_setlk+0x74/0x130 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092864]  [<f8d464d3>] nfs4_proc_lock+0xb3/0x1a0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092882]  [<f8d2d39e>] do_setlk+0xae/0xc0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092896]  [<f8d2d470>] ? nfs_lock+0x0/0x1d0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092910]  [<f8d2d51f>] nfs_lock+0xaf/0x1d0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092923]  [<c02358e4>] ? aa_file_permission+0x14/0xc0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092928]  [<c0154764>] ? get_futex_key+0x14/0x140
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092934]  [<f8d2d470>] ? nfs_lock+0x0/0x1d0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092947]  [<c01c2b9a>] vfs_lock_file+0x2a/0x60
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092952]  [<c01c2cb1>] do_lock_file_wait+0x41/0xd0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092955]  [<c01c16be>] ? flock64_to_posix_lock+0xe/0x1a0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092960]  [<c01c2e2a>] fcntl_setlk64+0xea/0x1d0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092964]  [<c01b1d62>] ? fsnotify_modify+0x72/0x80
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092969]  [<c0156ae7>] ? sys_futex+0x97/0x110
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092974]  [<c01bef22>] sys_fcntl64+0xa2/0xb0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092977]  [<c0103f7b>] sysenter_do_call+0x12/0x2f
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092981]  =======================
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092986] INFO: task nfsv4-delegretu:14006 blocked for more than 120 seconds.
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092988] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092991] nfsv4-delegre D 1d90face     0 14006      2
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.092995]        f5cadf5c 00000046 ed724b60 1d90face 00008bb9 f5cadf14 c012a6cf c190bd00 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.093003]        ed724b8c 1d8f9795 ed724b60 00003e02 00000000 ffffffff 00000000 00000000 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.093011]        c0511080 f7be6000 f5cac000 ed724dd8 c190bd00 00000000 f5a78954 c190bd00 
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.093019] Call Trace:
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.093022]  [<c012a6cf>] ? pick_next_task_fair+0xcf/0xe0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.093027]  [<c037f075>] rwsem_down_failed_common+0x85/0x1a0
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.093032]  [<c037f1dd>] rwsem_down_read_failed+0x1d/0x30
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.093035]  [<c037f237>] call_rwsem_down_read_failed+0x7/0x10
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.093039]  [<c037e77c>] ? down_read+0x1c/0x20
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.093044]  [<f8d50cd3>] recall_thread+0x53/0xe0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.093064]  [<f8d50c80>] ? recall_thread+0x0/0xe0 [nfs]
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.093084]  [<c0105297>] kernel_thread_helper+0x7/0x10
Feb 23 11:18:55 acesulfame-potassium kernel: [153880.093088]  =======================
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236017] INFO: task events/0:6 blocked for more than 120 seconds.
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236026] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236030] events/0      D c0550500     0     6      2
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236035]        f7455edc 00000046 c0550500 c0550500 f7455e7c f7455e7c 00000246 c0487a70 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236044]        00000000 f744befc f744bed0 f744befc f7455eac c01205b9 00000000 00000000 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236053]        c0511080 000012de f7454000 f744c148 c190bd00 00000000 0249211e c190bd00 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236062] Call Trace:
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236066]  [<c01205b9>] ? update_curr+0x89/0x110
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236078]  [<c012a729>] ? dequeue_task_fair+0x49/0x50
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236085]  [<c037f075>] rwsem_down_failed_common+0x85/0x1a0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236091]  [<c0102df6>] ? __switch_to+0xa6/0x160
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236101]  [<f8d50200>] ? nfs4_renew_state+0x0/0x220 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236128]  [<c037f1dd>] rwsem_down_read_failed+0x1d/0x30
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236133]  [<c037f237>] call_rwsem_down_read_failed+0x7/0x10
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236138]  [<c037e77c>] ? down_read+0x1c/0x20
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236142]  [<f8d5021f>] nfs4_renew_state+0x1f/0x220 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236161]  [<c0192430>] ? vmstat_update+0x0/0x30
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236168]  [<f8d50200>] ? nfs4_renew_state+0x0/0x220 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236187]  [<c01436f5>] run_workqueue+0x95/0x160
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236194]  [<c0147626>] ? finish_wait+0x16/0x70
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236198]  [<c0143998>] worker_thread+0x88/0xf0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236202]  [<c0147560>] ? autoremove_wake_function+0x0/0x50
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236207]  [<c0143910>] ? worker_thread+0x0/0xf0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236211]  [<c01471f1>] kthread+0x41/0x80
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236215]  [<c01471b0>] ? kthread+0x0/0x80
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236220]  [<c0105297>] kernel_thread_helper+0x7/0x10
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236225]  =======================
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236235] INFO: task nfsv4-svc:3752 blocked for more than 120 seconds.
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236238] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236241] nfsv4-svc     D f7be7dac     0  3752      2
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236245]        f7be7e00 00000046 ed724b60 f7be7dac c0102df6 f74e5b2c c1909980 f7be7db4 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236254]        c190bd00 f7be7db4 f74e57f0 00000002 c190bd00 f74e57f0 00000000 00000000 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236262]        c0511080 00000000 f7be6000 f74e5a68 c190bd00 00000000 0248e68d c190bd00 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236270] Call Trace:
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236273]  [<c0102df6>] ? __switch_to+0xa6/0x160
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236278]  [<c037df05>] schedule_timeout+0xb5/0xf0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236283]  [<c01024d5>] ? kernel_thread+0x95/0xb0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236287]  [<f8d50c80>] ? recall_thread+0x0/0xe0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236305]  [<c037dccb>] wait_for_common+0x8b/0x140
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236309]  [<c012b710>] ? default_wake_function+0x0/0x10
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236314]  [<c037de12>] wait_for_completion+0x12/0x20
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236318]  [<f8d50798>] nfs_async_inode_return_delegation+0x78/0x90 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236336]  [<f8d52832>] nfs4_callback_recall+0x92/0x110 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236354]  [<f8d5212b>] ? decode_recall_args+0x6b/0xb0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236372]  [<f8d52350>] process_op+0x120/0x190 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236389]  [<f8d51f21>] ? read_buf+0x11/0x30 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236406]  [<f8cad3a4>] ? xdr_encode_opaque_fixed+0x14/0x80 [sunrpc]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236448]  [<f8d524e4>] nfs4_callback_compound+0x124/0x1a0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236469]  [<f8ca7db2>] svc_process+0x612/0x6d0 [sunrpc]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236489]  [<f8d51e77>] nfs_callback_svc+0x87/0xb0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236507]  [<f8d51df0>] ? nfs_callback_svc+0x0/0xb0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236524]  [<c01471f1>] kthread+0x41/0x80
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236530]  [<c01471b0>] ? kthread+0x0/0x80
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236534]  [<c0105297>] kernel_thread_helper+0x7/0x10
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236538]  =======================
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236573] INFO: task firefox:32255 blocked for more than 120 seconds.
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236576] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236579] firefox       D 00000000     0 32255      1
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236583]        ed4c3e00 00000086 00000000 00000000 00000000 00000000 00000000 00000000 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236591]        00000000 00000000 f7a9cb60 00000000 00000000 00000000 00000000 00000000 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236599]        c0511080 ed4c3df0 ed4c2000 f7a9cdd8 c190bd00 00000000 02490455 c190bd00 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236607] Call Trace:
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236611]  [<c037f075>] rwsem_down_failed_common+0x85/0x1a0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236617]  [<c037f1dd>] rwsem_down_read_failed+0x1d/0x30
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236621]  [<c037f237>] call_rwsem_down_read_failed+0x7/0x10
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236626]  [<c037e77c>] ? down_read+0x1c/0x20
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236631]  [<f8d46364>] _nfs4_proc_setlk+0x74/0x130 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236648]  [<f8d464d3>] nfs4_proc_lock+0xb3/0x1a0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236671]  [<f8d2d39e>] do_setlk+0xae/0xc0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236692]  [<f8d2d470>] ? nfs_lock+0x0/0x1d0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236714]  [<f8d2d51f>] nfs_lock+0xaf/0x1d0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236734]  [<c02358e4>] ? aa_file_permission+0x14/0xc0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236742]  [<f8d2d470>] ? nfs_lock+0x0/0x1d0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236763]  [<c01c2b9a>] vfs_lock_file+0x2a/0x60
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236769]  [<c01c2cb1>] do_lock_file_wait+0x41/0xd0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236773]  [<c01c16be>] ? flock64_to_posix_lock+0xe/0x1a0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236778]  [<c01c2e2a>] fcntl_setlk64+0xea/0x1d0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236783]  [<c01bef22>] sys_fcntl64+0xa2/0xb0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236787]  [<c0103f7b>] sysenter_do_call+0x12/0x2f
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236791]  =======================
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236805] INFO: task firefox:12027 blocked for more than 120 seconds.
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236808] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236811] firefox       D 00000000     0 12027      1
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236815]        ed7a1e00 00000086 00000000 00000000 00000000 00000000 00000000 00000000 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236823]        00000000 00000000 c1c33240 0000af60 00000000 00000000 00000000 ed71fe00 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236830]        c0511080 f6644000 ed7a0000 c1c334b8 c190bd00 00000000 ed7a1e28 c190bd00 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236839] Call Trace:
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236842]  [<c037f075>] rwsem_down_failed_common+0x85/0x1a0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236847]  [<c037f1dd>] rwsem_down_read_failed+0x1d/0x30
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236852]  [<c037f237>] call_rwsem_down_read_failed+0x7/0x10
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236856]  [<c037e77c>] ? down_read+0x1c/0x20
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236861]  [<f8d46364>] _nfs4_proc_setlk+0x74/0x130 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236878]  [<f8d464d3>] nfs4_proc_lock+0xb3/0x1a0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236897]  [<f8d2d39e>] do_setlk+0xae/0xc0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236910]  [<f8d2d470>] ? nfs_lock+0x0/0x1d0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236932]  [<f8d2d51f>] nfs_lock+0xaf/0x1d0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236952]  [<c02358e4>] ? aa_file_permission+0x14/0xc0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236958]  [<c0154764>] ? get_futex_key+0x14/0x140
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236964]  [<f8d2d470>] ? nfs_lock+0x0/0x1d0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236978]  [<c01c2b9a>] vfs_lock_file+0x2a/0x60
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236982]  [<c01c2cb1>] do_lock_file_wait+0x41/0xd0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236986]  [<c01c16be>] ? flock64_to_posix_lock+0xe/0x1a0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236991]  [<c01c2e2a>] fcntl_setlk64+0xea/0x1d0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.236995]  [<c01b1d62>] ? fsnotify_modify+0x72/0x80
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237001]  [<c0156ae7>] ? sys_futex+0x97/0x110
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237006]  [<c01bef22>] sys_fcntl64+0xa2/0xb0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237009]  [<c0103f7b>] sysenter_do_call+0x12/0x2f
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237014]  =======================
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237019] INFO: task nfsv4-delegretu:14006 blocked for more than 120 seconds.
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237023] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237026] nfsv4-delegre D 1d90face     0 14006      2
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237030]        f5cadf5c 00000046 ed724b60 1d90face 00008bb9 f5cadf14 c012a6cf c190bd00 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237038]        ed724b8c 1d8f9795 ed724b60 00003e02 00000000 ffffffff 00000000 00000000 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237046]        c0511080 f7be6000 f5cac000 ed724dd8 c190bd00 00000000 f5a78954 c190bd00 
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237054] Call Trace:
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237057]  [<c012a6cf>] ? pick_next_task_fair+0xcf/0xe0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237063]  [<c037f075>] rwsem_down_failed_common+0x85/0x1a0
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237068]  [<c037f1dd>] rwsem_down_read_failed+0x1d/0x30
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237072]  [<c037f237>] call_rwsem_down_read_failed+0x7/0x10
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237076]  [<c037e77c>] ? down_read+0x1c/0x20
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237080]  [<f8d50cd3>] recall_thread+0x53/0xe0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237100]  [<f8d50c80>] ? recall_thread+0x0/0xe0 [nfs]
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237117]  [<c0105297>] kernel_thread_helper+0x7/0x10
Feb 23 11:21:08 acesulfame-potassium kernel: [154013.237121]  =======================
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380018] INFO: task events/0:6 blocked for more than 120 seconds.
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380026] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380030] events/0      D c0550500     0     6      2
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380035]        f7455edc 00000046 c0550500 c0550500 f7455e7c f7455e7c 00000246 c0487a70 
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380044]        00000000 f744befc f744bed0 f744befc f7455eac c01205b9 00000000 00000000 
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380053]        c0511080 000012de f7454000 f744c148 c190bd00 00000000 0249211e c190bd00 
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380061] Call Trace:
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380066]  [<c01205b9>] ? update_curr+0x89/0x110
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380077]  [<c012a729>] ? dequeue_task_fair+0x49/0x50
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380084]  [<c037f075>] rwsem_down_failed_common+0x85/0x1a0
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380090]  [<c0102df6>] ? __switch_to+0xa6/0x160
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380100]  [<f8d50200>] ? nfs4_renew_state+0x0/0x220 [nfs]
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380129]  [<c037f1dd>] rwsem_down_read_failed+0x1d/0x30
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380134]  [<c037f237>] call_rwsem_down_read_failed+0x7/0x10
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380138]  [<c037e77c>] ? down_read+0x1c/0x20
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380143]  [<f8d5021f>] nfs4_renew_state+0x1f/0x220 [nfs]
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380161]  [<c0192430>] ? vmstat_update+0x0/0x30
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380169]  [<f8d50200>] ? nfs4_renew_state+0x0/0x220 [nfs]
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380186]  [<c01436f5>] run_workqueue+0x95/0x160
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380192]  [<c0147626>] ? finish_wait+0x16/0x70
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380197]  [<c0143998>] worker_thread+0x88/0xf0
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380201]  [<c0147560>] ? autoremove_wake_function+0x0/0x50
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380205]  [<c0143910>] ? worker_thread+0x0/0xf0
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380210]  [<c01471f1>] kthread+0x41/0x80
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380214]  [<c01471b0>] ? kthread+0x0/0x80
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380218]  [<c0105297>] kernel_thread_helper+0x7/0x10
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380223]  =======================
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380234] INFO: task nfsv4-svc:3752 blocked for more than 120 seconds.
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380237] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380240] nfsv4-svc     D f7be7dac     0  3752      2
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380244]        f7be7e00 00000046 ed724b60 f7be7dac c0102df6 f74e5b2c c1909980 f7be7db4 
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380253]        c190bd00 f7be7db4 f74e57f0 00000002 c190bd00 f74e57f0 00000000 00000000 
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380261]        c0511080 00000000 f7be6000 f74e5a68 c190bd00 00000000 0248e68d c190bd00 
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380269] Call Trace:
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380272]  [<c0102df6>] ? __switch_to+0xa6/0x160
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380277]  [<c037df05>] schedule_timeout+0xb5/0xf0
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380282]  [<c01024d5>] ? kernel_thread+0x95/0xb0
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380287]  [<f8d50c80>] ? recall_thread+0x0/0xe0 [nfs]
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380304]  [<c037dccb>] wait_for_common+0x8b/0x140
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380308]  [<c012b710>] ? default_wake_function+0x0/0x10
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380313]  [<c037de12>] wait_for_completion+0x12/0x20
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380317]  [<f8d50798>] nfs_async_inode_return_delegation+0x78/0x90 [nfs]
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380336]  [<f8d52832>] nfs4_callback_recall+0x92/0x110 [nfs]
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380355]  [<f8d5212b>] ? decode_recall_args+0x6b/0xb0 [nfs]
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380373]  [<f8d52350>] process_op+0x120/0x190 [nfs]
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380391]  [<f8d51f21>] ? read_buf+0x11/0x30 [nfs]
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380410]  [<f8cad3a4>] ? xdr_encode_opaque_fixed+0x14/0x80 [sunrpc]
Feb 23 11:23:21 acesulfame-potassium kernel: [154146.380453]  [<f8d524e4>] nfs4_callback_compound+0x124/0x1a0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380475]  [<f8ca7db2>] svc_process+0x612/0x6d0 [sunrpc]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380496]  [<f8d51e77>] nfs_callback_svc+0x87/0xb0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380516]  [<f8d51df0>] ? nfs_callback_svc+0x0/0xb0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380535]  [<c01471f1>] kthread+0x41/0x80
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380542]  [<c01471b0>] ? kthread+0x0/0x80
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380546]  [<c0105297>] kernel_thread_helper+0x7/0x10
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380551]  =======================
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380588] INFO: task firefox:32255 blocked for more than 120 seconds.
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380593] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380596] firefox       D 00000000     0 32255      1
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380600]        ed4c3e00 00000086 00000000 00000000 00000000 00000000 00000000 00000000 
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380608]        00000000 00000000 f7a9cb60 00000000 00000000 00000000 00000000 00000000 
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380616]        c0511080 ed4c3df0 ed4c2000 f7a9cdd8 c190bd00 00000000 02490455 c190bd00 
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380624] Call Trace:
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380628]  [<c037f075>] rwsem_down_failed_common+0x85/0x1a0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380634]  [<c037f1dd>] rwsem_down_read_failed+0x1d/0x30
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380638]  [<c037f237>] call_rwsem_down_read_failed+0x7/0x10
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380643]  [<c037e77c>] ? down_read+0x1c/0x20
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380648]  [<f8d46364>] _nfs4_proc_setlk+0x74/0x130 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380669]  [<f8d464d3>] nfs4_proc_lock+0xb3/0x1a0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380692]  [<f8d2d39e>] do_setlk+0xae/0xc0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380714]  [<f8d2d470>] ? nfs_lock+0x0/0x1d0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380736]  [<f8d2d51f>] nfs_lock+0xaf/0x1d0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380758]  [<c02358e4>] ? aa_file_permission+0x14/0xc0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380766]  [<f8d2d470>] ? nfs_lock+0x0/0x1d0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380780]  [<c01c2b9a>] vfs_lock_file+0x2a/0x60
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380785]  [<c01c2cb1>] do_lock_file_wait+0x41/0xd0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380789]  [<c01c16be>] ? flock64_to_posix_lock+0xe/0x1a0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380794]  [<c01c2e2a>] fcntl_setlk64+0xea/0x1d0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380799]  [<c01bef22>] sys_fcntl64+0xa2/0xb0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380803]  [<c0103f7b>] sysenter_do_call+0x12/0x2f
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380808]  =======================
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380821] INFO: task firefox:12027 blocked for more than 120 seconds.
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380824] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380827] firefox       D 00000000     0 12027      1
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380831]        ed7a1e00 00000086 00000000 00000000 00000000 00000000 00000000 00000000 
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380839]        00000000 00000000 c1c33240 0000af60 00000000 00000000 00000000 ed71fe00 
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380847]        c0511080 f6644000 ed7a0000 c1c334b8 c190bd00 00000000 ed7a1e28 c190bd00 
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380855] Call Trace:
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380858]  [<c037f075>] rwsem_down_failed_common+0x85/0x1a0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380864]  [<c037f1dd>] rwsem_down_read_failed+0x1d/0x30
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380868]  [<c037f237>] call_rwsem_down_read_failed+0x7/0x10
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380872]  [<c037e77c>] ? down_read+0x1c/0x20
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380877]  [<f8d46364>] _nfs4_proc_setlk+0x74/0x130 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380894]  [<f8d464d3>] nfs4_proc_lock+0xb3/0x1a0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380913]  [<f8d2d39e>] do_setlk+0xae/0xc0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380934]  [<f8d2d470>] ? nfs_lock+0x0/0x1d0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380948]  [<f8d2d51f>] nfs_lock+0xaf/0x1d0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380960]  [<c02358e4>] ? aa_file_permission+0x14/0xc0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380966]  [<c0154764>] ? get_futex_key+0x14/0x140
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380972]  [<f8d2d470>] ? nfs_lock+0x0/0x1d0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380993]  [<c01c2b9a>] vfs_lock_file+0x2a/0x60
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.380998]  [<c01c2cb1>] do_lock_file_wait+0x41/0xd0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381002]  [<c01c16be>] ? flock64_to_posix_lock+0xe/0x1a0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381007]  [<c01c2e2a>] fcntl_setlk64+0xea/0x1d0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381011]  [<c01b1d62>] ? fsnotify_modify+0x72/0x80
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381016]  [<c0156ae7>] ? sys_futex+0x97/0x110
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381021]  [<c01bef22>] sys_fcntl64+0xa2/0xb0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381025]  [<c0103f7b>] sysenter_do_call+0x12/0x2f
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381030]  =======================
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381035] INFO: task nfsv4-delegretu:14006 blocked for more than 120 seconds.
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381038] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381040] nfsv4-delegre D 1d90face     0 14006      2
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381045]        f5cadf5c 00000046 ed724b60 1d90face 00008bb9 f5cadf14 c012a6cf c190bd00 
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381053]        ed724b8c 1d8f9795 ed724b60 00003e02 00000000 ffffffff 00000000 00000000 
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381061]        c0511080 f7be6000 f5cac000 ed724dd8 c190bd00 00000000 f5a78954 c190bd00 
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381070] Call Trace:
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381073]  [<c012a6cf>] ? pick_next_task_fair+0xcf/0xe0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381079]  [<c037f075>] rwsem_down_failed_common+0x85/0x1a0
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381084]  [<c037f1dd>] rwsem_down_read_failed+0x1d/0x30
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381088]  [<c037f237>] call_rwsem_down_read_failed+0x7/0x10
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381092]  [<c037e77c>] ? down_read+0x1c/0x20
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381097]  [<f8d50cd3>] recall_thread+0x53/0xe0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381117]  [<f8d50c80>] ? recall_thread+0x0/0xe0 [nfs]
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381134]  [<c0105297>] kernel_thread_helper+0x7/0x10
Feb 23 11:23:22 acesulfame-potassium kernel: [154146.381139]  =======================
Feb 23 11:25:09 acesulfame-potassium kernel: [154254.011042] mtrr: no MTRR for d8000000,2000000 found
Feb 23 11:26:49 acesulfame-potassium kernel: Inspecting /boot/System.map-2.6.27-11-generic
Feb 23 11:26:50 acesulfame-potassium kernel: Cannot find map file.
Feb 23 11:26:50 acesulfame-potassium kernel: Loaded 51588 symbols from 85 modules.
Feb 23 11:26:50 acesulfame-potassium kernel: [    0.000000] Initializing cgroup subsys cpuset
Feb 23 11:26:50 acesulfame-potassium kernel: [    0.000000] Initializing cgroup subsys cpu
Feb 23 11:26:50 acesulfame-potassium kernel: [    0.000000] Linux version 2.6.27-11-generic (buildd@rothera) (gcc version 4.3.2 (Ubuntu 4.3.2-1ubuntu11) ) #1 SMP Thu Jan 29 19:24:39 UTC 2009 (Ubuntu 2.6.27-11.27-generic)

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