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RE: xfs hang when filesystem filled

To: "Guk-Bong, Kwon" <gbkwon@xxxxxxxxx>, "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>
Subject: RE: xfs hang when filesystem filled
From: "Burbidge, Simon A" <s.burbidge@xxxxxxxxxxxxxx>
Date: Tue, 7 Aug 2012 09:05:32 +0000
Accept-language: en-GB, en-US
In-reply-to: <CAJ-WH_z+6HhooORtMKeO2=kURyiWMcxk_5eUbeBSz3cAXgRRfQ@xxxxxxxxxxxxxx>
References: <CAJ-WH_z+6HhooORtMKeO2=kURyiWMcxk_5eUbeBSz3cAXgRRfQ@xxxxxxxxxxxxxx>
Thread-index: AQHNdGFZPAJFakaAcUitEXzQUW9WQ5dODF11
Thread-topic: xfs hang when filesystem filled
Hi Kwon,
I'd suggest that the asynchronous nature of NFS means that you've got all the 
nfs threads on the client waiting on a response from
the NFS server. The server is in trouble because you've no free blocks and nfs 
has also filled up your buffer cache with data blocks and the 
nfs server threads have blocked waiting on this.
While xfs might still be responsive on the server, it may very slow as it 
scrabbles around for the last free block.

In my experience, in any situation with NFS where the server filesystem fills 
up completely, you'll get a hang. 
Sometimes you can free space by removing files, sometimes the server is 
unresponsive and you have to reset.

Best - Simon


________________________________________
From: xfs-bounces@xxxxxxxxxxx [xfs-bounces@xxxxxxxxxxx] on behalf of Guk-Bong, 
Kwon [gbkwon@xxxxxxxxx]
Sent: 07 August 2012 06:54
To: xfs@xxxxxxxxxxx
Subject: xfs hang when filesystem filled

HI all

I tested xfs over nfs using bonnie++

xfs and nfs hang when xfs filesystem filled

What's the problem?


see below
--------------------------------

1. nfs server

    a. uname -a
        - Linux nfs_server 2.6.32.58 #1 SMP Thu Mar 22 13:33:34 KST 2012 x86_64
        Intel(R) Xeon(R) CPU E5606 @ 2.13GHz GenuineIntel GNU/Linux

    b. lvcreate -L 90G -n test ld1

    c. mkfs.xfs -i size=512 -l lazy-count=1 /dev/ld1/test

    d. mount /dev/ld1/test /test
        - cat /proc/mounts
================================================================================
/dev/ld1/test /test xfs rw,relatime,attr2,noquota 0 0
================================================================================
        - xfs_info /test
================================================================================
meta-data=/dev/ld1/test          isize=512    agcount=4, agsize=5898240 blks
         =                       sectsz=512   attr=2
data     =                       bsize=4096   blocks=23592960, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096
log      =internal               bsize=4096   blocks=11520, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
================================================================================

    e. nfs export /test
        - "/test"
0.0.0.0/0.0.0.0(async,fsid=1342087477,insecure,no_root_squash,no_subtree_check,rw)
        - cat /var/lib/nfs/etab
================================================================================
/test   
0.0.0.0/0.0.0.0(rw,async,wdelay,hide,nocrossmnt,insecure,no_root_squash,no_all_squash,no_subtree_check,secure_locks,acl,fsid=1342087477,anonuid=65534,anongid=65534)
================================================================================


2. nfs client

    a. uname -a
        - Linux c1 3.0.31 #2 SMP Wed May 16 11:53:45 KST 2012 x86_64
x86_64 x86_64 GNU/Linux

    b. mount nfs_server:/test /test/
        - cat /proc/mounts
================================================================================
nfs_server:/test/ /test nfs
rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.100.137,mountvers=3,mountport=7446,mountproto=udp,local_lock=none,addr=192.168.100.137
0 0
================================================================================
    c. bonnie++ test
        - a lot of bonnie++ process
================================================================================
bonnie++ -s 0 -n 200:1024000:1024000 -r 32G -d /test/ -u 0 -g 0 -q &
================================================================================


3. server and client log when xfs and nfs hang up

    a. df -k
================================================================================
#df /test
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/ld1-test  94325760  94325740        20 100% /test
================================================================================

    b. nfs server messages
================================================================================
Aug  2 18:17:57 anystor1 kernel: INFO: task nfsd:2387 blocked for more
than 120 seconds.
Aug  2 18:17:57 anystor1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:17:57 anystor1 kernel: nfsd          D ffff88042eedda00
0  2387      2 0x00000000
Aug  2 18:17:57 anystor1 kernel: ffff88042df493e0 0000000000000046
ffff880426a6cc00 ffff88042df494f4
Aug  2 18:17:57 anystor1 kernel: 000000000000c8e8 ffff88042df49fd8
ffff88042eedda00 ffff88043f872d00
Aug  2 18:17:57 anystor1 kernel: ffff88042eeddc70 000000018119ea84
000000002df494f8 0000000000000000
Aug  2 18:17:57 anystor1 kernel: Call Trace:
Aug  2 18:17:57 anystor1 kernel: [<ffffffff811710e0>] ? xfs_bmapi+0x880/0x1230
Aug  2 18:17:57 anystor1 kernel: [<ffffffff8135edad>] ?
schedule_timeout+0x1ed/0x250
Aug  2 18:17:57 anystor1 kernel: [<ffffffff8135dfc8>] ?
wait_for_common+0xe8/0x170
Aug  2 18:17:57 anystor1 kernel: [<ffffffff81038fb0>] ?
default_wake_function+0x0/0x10
Aug  2 18:17:57 anystor1 kernel: [<ffffffff811b7421>] ?
xfs_flush_inodes+0x61/0x90
Aug  2 18:17:57 anystor1 kernel: [<ffffffff81193163>] ?
xfs_iomap_write_delay+0x1a3/0x280
Aug  2 18:17:57 anystor1 kernel: [<ffffffff81193991>] ? xfs_iomap+0x2f1/0x300
Aug  2 18:17:57 anystor1 kernel: [<ffffffff811aba9f>] ?
__xfs_get_blocks+0x8f/0x220
Aug  2 18:17:57 anystor1 kernel: [<ffffffff810d0e0d>] ?
alloc_buffer_head+0x3d/0x50
Aug  2 18:17:57 anystor1 kernel: [<ffffffff810d1689>] ?
alloc_page_buffers+0x79/0xf0
Aug  2 18:17:57 anystor1 kernel: [<ffffffff810d3594>] ?
__block_prepare_write+0x294/0x580
Aug  2 18:17:57 anystor1 kernel: [<ffffffff811abc50>] ? xfs_get_blocks+0x0/0x10
Aug  2 18:17:57 anystor1 kernel: [<ffffffff810d39f5>] ?
block_write_begin+0x55/0xe0
Aug  2 18:17:57 anystor1 kernel: [<ffffffff811ad002>] ?
xfs_vm_write_begin+0x22/0x30
Aug  2 18:17:57 anystor1 kernel: [<ffffffff811abc50>] ? xfs_get_blocks+0x0/0x10
Aug  2 18:17:57 anystor1 kernel: [<ffffffff810770f4>] ?
generic_file_buffered_write+0x114/0x290
Aug  2 18:17:57 anystor1 kernel: [<ffffffff812dd970>] ?
dev_queue_xmit+0x110/0x4d0
Aug  2 18:17:57 anystor1 kernel: [<ffffffff811b41fc>] ? xfs_write+0x6cc/0x950
Aug  2 18:17:57 anystor1 kernel: [<ffffffff8107a979>] ?
free_one_page+0x1b9/0x320
Aug  2 18:17:57 anystor1 kernel: [<ffffffff812d76d9>] ?
skb_copy_datagram_iovec+0x49/0x230
Aug  2 18:17:57 anystor1 kernel: [<ffffffff8118c3ef>] ? xfs_iget+0x25f/0x4d0
Aug  2 18:17:57 anystor1 kernel: [<ffffffff811b00d0>] ?
xfs_file_aio_write+0x0/0x60
Aug  2 18:17:57 anystor1 kernel: [<ffffffff810ab9eb>] ?
do_sync_readv_writev+0xcb/0x110
Aug  2 18:17:57 anystor1 kernel: [<ffffffff81052cd0>] ?
autoremove_wake_function+0x0/0x30
Aug  2 18:17:57 anystor1 kernel: [<ffffffff810ab826>] ?
rw_copy_check_uvector+0x86/0x130
Aug  2 18:17:57 anystor1 kernel: [<ffffffff810ac0d2>] ?
do_readv_writev+0xe2/0x230
Aug  2 18:17:57 anystor1 kernel: [<ffffffff81145eb2>] ? nfsd_setuser+0x122/0x2b0
Aug  2 18:17:57 anystor1 kernel: [<ffffffff8113ea6c>] ?
nfsd_setuser_and_check_port+0x5c/0x70
Aug  2 18:17:57 anystor1 kernel: [<ffffffff8113f3a3>] ?
nfsd_permission+0xf3/0x170
Aug  2 18:17:57 anystor1 kernel: [<ffffffff811407a1>] ?
nfsd_vfs_write+0xe1/0x440
Aug  2 18:17:57 anystor1 kernel: [<ffffffff810a9e2b>] ?
__dentry_open+0x10b/0x300
Aug  2 18:17:57 anystor1 kernel: [<ffffffff81141187>] ? nfsd_open+0x147/0x1f0
Aug  2 18:17:57 anystor1 kernel: [<ffffffff811415fe>] ? nfsd_write+0xfe/0x110
Aug  2 18:17:57 anystor1 kernel: [<ffffffff81148ba6>] ?
nfsd3_proc_write+0xb6/0x160
Aug  2 18:17:57 anystor1 kernel: [<ffffffff8113b3ca>] ? nfsd_dispatch+0xba/0x270
Aug  2 18:17:57 anystor1 kernel: [<ffffffff81346f1a>] ? svc_process+0x4aa/0x800
Aug  2 18:17:57 anystor1 kernel: [<ffffffff81038fb0>] ?
default_wake_function+0x0/0x10
Aug  2 18:17:57 anystor1 kernel: [<ffffffff8113ba00>] ? nfsd+0x0/0x150
Aug  2 18:17:57 anystor1 kernel: [<ffffffff8113bacd>] ? nfsd+0xcd/0x150
Aug  2 18:17:57 anystor1 kernel: [<ffffffff810529d6>] ? kthread+0x96/0xb0
Aug  2 18:17:57 anystor1 kernel: [<ffffffff8100cc7a>] ? child_rip+0xa/0x20
Aug  2 18:17:57 anystor1 kernel: [<ffffffff8101ea10>] ?
lapic_next_event+0x0/0x20
Aug  2 18:17:57 anystor1 kernel: [<ffffffff81052940>] ? kthread+0x0/0xb0
Aug  2 18:17:57 anystor1 kernel: [<ffffffff8100cc70>] ? child_rip+0x0/0x20
Aug  2 18:17:58 anystor1 kernel: INFO: task nfsd:2403 blocked for more
than 120 seconds.
Aug  2 18:17:58 anystor1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:17:58 anystor1 kernel: nfsd          D ffff88042d593840
0  2403      2 0x00000000
Aug  2 18:17:58 anystor1 kernel: ffff88042cfe3ad0 0000000000000046
0000000000000000 ffffffff8117a64b
Aug  2 18:17:58 anystor1 kernel: 000000000000c8e8 ffff88042cfe3fd8
ffff88042d593840 ffff88043f8d8b40
Aug  2 18:17:58 anystor1 kernel: ffff88042d593ab0 0000000500000286
000000010a5219d8 ffff8800282ac8e8
Aug  2 18:17:58 anystor1 kernel: Call Trace:
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8117a64b>] ?
xfs_da_do_buf+0x52b/0x700
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8135edad>] ?
schedule_timeout+0x1ed/0x250
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8135dfc8>] ?
wait_for_common+0xe8/0x170
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81038fb0>] ?
default_wake_function+0x0/0x10
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811b7421>] ?
xfs_flush_inodes+0x61/0x90
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811a83f8>] ? xfs_create+0x348/0x600
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81145eb2>] ? nfsd_setuser+0x122/0x2b0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810b48cd>] ?
generic_permission+0x1d/0xc0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811b2b7d>] ? xfs_vn_mknod+0x8d/0x1e0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810b5daf>] ? vfs_create+0xef/0x160
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811420eb>] ?
nfsd_create_v3+0x45b/0x580
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81148a58>] ?
nfsd3_proc_create+0x118/0x1b0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8113b3ca>] ? nfsd_dispatch+0xba/0x270
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81346f1a>] ? svc_process+0x4aa/0x800
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81038fb0>] ?
default_wake_function+0x0/0x10
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8113ba00>] ? nfsd+0x0/0x150
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8113bacd>] ? nfsd+0xcd/0x150
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810529d6>] ? kthread+0x96/0xb0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8100cc7a>] ? child_rip+0xa/0x20
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8101ea10>] ?
lapic_next_event+0x0/0x20
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81052940>] ? kthread+0x0/0xb0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8100cc70>] ? child_rip+0x0/0x20
Aug  2 18:17:58 anystor1 kernel: INFO: task xfssyncd:10318 blocked for
more than 120 seconds.
Aug  2 18:17:58 anystor1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:17:58 anystor1 kernel: xfssyncd      D ffff8802ced4ab80
0 10318      2 0x00000000
Aug  2 18:17:58 anystor1 kernel: ffff880422d6d320 0000000000000046
0000000000000000 0000000000000286
Aug  2 18:17:58 anystor1 kernel: 000000000000c8e8 ffff880422d6dfd8
ffff88042c154920 ffff88043f8db840
Aug  2 18:17:58 anystor1 kernel: ffff88042c154b90 00000007811a4b83
000000010a5227ce ffff8800282ec8e8
Aug  2 18:17:58 anystor1 kernel: Call Trace:
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811738ce>] ?
xfs_btree_is_lastrec+0x4e/0x60
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8135edad>] ?
schedule_timeout+0x1ed/0x250
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8135fcd1>] ? __down+0x61/0xa0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810572d6>] ? down+0x46/0x50
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811af6a4>] ?
_xfs_buf_find+0x134/0x220
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811af7fe>] ?
xfs_buf_get_flags+0x6e/0x190
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811a525e>] ?
xfs_trans_get_buf+0x10e/0x160
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81161954>] ?
xfs_alloc_fix_freelist+0x144/0x450
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8119e597>] ?
xfs_icsb_disable_counter+0x17/0x160
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8116d2f2>] ?
xfs_bmap_add_extent_delay_real+0x8d2/0x11a0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811a4b83>] ?
xfs_trans_log_buf+0x63/0xa0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8119e731>] ?
xfs_icsb_balance_counter_locked+0x31/0xf0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81161ed1>] ?
xfs_alloc_vextent+0x1b1/0x4c0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8116e946>] ?
xfs_bmap_btalloc+0x596/0xa70
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8117125a>] ? xfs_bmapi+0x9fa/0x1230
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811965f6>] ?
xlog_state_release_iclog+0x56/0xe0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811a3a0f>] ?
xfs_trans_reserve+0x9f/0x210
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81192d0e>] ?
xfs_iomap_write_allocate+0x24e/0x3d0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811c29c0>] ? elv_insert+0xf0/0x260
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8119396b>] ? xfs_iomap+0x2cb/0x300
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811aba05>] ? xfs_map_blocks+0x25/0x30
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811acb64>] ?
xfs_page_state_convert+0x414/0x6d0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811ad137>] ?
xfs_vm_writepage+0x77/0x130
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8107c8ca>] ? __writepage+0xa/0x40
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8107d0af>] ?
write_cache_pages+0x1df/0x3d0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8107c8c0>] ? __writepage+0x0/0x40
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81076f4c>] ?
__filemap_fdatawrite_range+0x4c/0x60
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811da3a1>] ?
radix_tree_gang_lookup+0x71/0xf0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811b029d>] ?
xfs_flush_pages+0xad/0xc0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811b795a>] ?
xfs_sync_inode_data+0xca/0xf0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811b7aa0>] ?
xfs_inode_ag_walk+0x80/0x140
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811b7890>] ?
xfs_sync_inode_data+0x0/0xf0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811b7be8>] ?
xfs_inode_ag_iterator+0x88/0xd0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811b7890>] ?
xfs_sync_inode_data+0x0/0xf0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8135ed1d>] ?
schedule_timeout+0x15d/0x250
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811b7f40>] ? xfs_sync_data+0x30/0x60
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811b7f8e>] ?
xfs_flush_inodes_work+0x1e/0x50
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811b726c>] ? xfssyncd+0x13c/0x1d0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff811b7130>] ? xfssyncd+0x0/0x1d0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810529d6>] ? kthread+0x96/0xb0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8100cc7a>] ? child_rip+0xa/0x20
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8101ea10>] ?
lapic_next_event+0x0/0x20
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81052940>] ? kthread+0x0/0xb0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8100cc70>] ? child_rip+0x0/0x20
Aug  2 18:17:58 anystor1 kernel: INFO: task flush-254:16:24467 blocked
for more than 120 seconds.
Aug  2 18:17:58 anystor1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:17:58 anystor1 kernel: flush-254:16  D 0000000000000002
0 24467      2 0x00000000
Aug  2 18:17:58 anystor1 kernel: ffff880109339ac0 0000000000000046
0000000000000000 ffff88043b404000
Aug  2 18:17:58 anystor1 kernel: 000000000000c8e8 ffff880109339fd8
ffff880358240000 ffff88043f872d00
Aug  2 18:17:58 anystor1 kernel: ffff880358240270 000000010267d800
000000010a52336b ffff88002822c8e8
Aug  2 18:17:58 anystor1 kernel: Call Trace:
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81263464>] ?
scsi_request_fn+0xa4/0x430
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81076120>] ? sync_page+0x0/0x70
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8135eabd>] ? io_schedule+0x4d/0x70
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81076155>] ? sync_page+0x35/0x70
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8135eeba>] ?
__wait_on_bit_lock+0x4a/0xa0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810760fe>] ? __lock_page+0x5e/0x70
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81052d00>] ?
wake_bit_function+0x0/0x30
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8107e96a>] ?
pagevec_lookup_tag+0x1a/0x30
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8107d094>] ?
write_cache_pages+0x1c4/0x3d0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8107c8c0>] ? __writepage+0x0/0x40
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810caf22>] ?
writeback_single_inode+0xd2/0x390
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810cbe1d>] ?
writeback_inodes_wb+0x40d/0x5f0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810cc11e>] ? wb_writeback+0x11e/0x1f0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810cc464>] ?
wb_do_writeback+0x184/0x190
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810cc4ab>] ?
bdi_writeback_task+0x3b/0xc0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81089370>] ? bdi_start_fn+0x0/0xf0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810893ee>] ? bdi_start_fn+0x7e/0xf0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81089370>] ? bdi_start_fn+0x0/0xf0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff810529d6>] ? kthread+0x96/0xb0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8100cc7a>] ? child_rip+0xa/0x20
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8101ea10>] ?
lapic_next_event+0x0/0x20
Aug  2 18:17:58 anystor1 kernel: [<ffffffff81052940>] ? kthread+0x0/0xb0
Aug  2 18:17:58 anystor1 kernel: [<ffffffff8100cc70>] ? child_rip+0x0/0x20
Aug  2 18:19:58 anystor1 kernel: INFO: task nfsd:2377 blocked for more
than 120 seconds.
Aug  2 18:19:58 anystor1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:19:58 anystor1 kernel: nfsd          D ffff88042eeda1c0
0  2377      2 0x00000000
Aug  2 18:19:58 anystor1 kernel: ffff88042e519938 0000000000000046
0000000000000000 0000000000000000
Aug  2 18:19:58 anystor1 kernel: 000000000000c8e8 ffff88042e519fd8
ffff88042eeda1c0 ffffffff814a7840
Aug  2 18:19:58 anystor1 kernel: ffff88042eeda430 0000000000000000
0000000000000000 0000000000000000
Aug  2 18:19:58 anystor1 kernel: Call Trace:
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8135f2ae>] ?
__mutex_lock_slowpath+0xee/0x170
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8135f0ea>] ? mutex_lock+0x1a/0x40
Aug  2 18:19:58 anystor1 kernel: [<ffffffff811b4014>] ? xfs_write+0x4e4/0x950
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8107a979>] ?
free_one_page+0x1b9/0x320
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8118c3ef>] ? xfs_iget+0x25f/0x4d0
Aug  2 18:19:58 anystor1 kernel: [<ffffffff811b00d0>] ?
xfs_file_aio_write+0x0/0x60
Aug  2 18:19:58 anystor1 kernel: [<ffffffff810ab9eb>] ?
do_sync_readv_writev+0xcb/0x110
Aug  2 18:19:58 anystor1 kernel: [<ffffffff81052cd0>] ?
autoremove_wake_function+0x0/0x30
Aug  2 18:19:58 anystor1 kernel: [<ffffffff810ab826>] ?
rw_copy_check_uvector+0x86/0x130
Aug  2 18:19:58 anystor1 kernel: [<ffffffff810ac0d2>] ?
do_readv_writev+0xe2/0x230
Aug  2 18:19:58 anystor1 kernel: [<ffffffff81145eb2>] ? nfsd_setuser+0x122/0x2b0
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8113ea6c>] ?
nfsd_setuser_and_check_port+0x5c/0x70
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8113f3a3>] ?
nfsd_permission+0xf3/0x170
Aug  2 18:19:58 anystor1 kernel: [<ffffffff811407a1>] ?
nfsd_vfs_write+0xe1/0x440
Aug  2 18:19:58 anystor1 kernel: [<ffffffff810a9e2b>] ?
__dentry_open+0x10b/0x300
Aug  2 18:19:58 anystor1 kernel: [<ffffffff81141187>] ? nfsd_open+0x147/0x1f0
Aug  2 18:19:58 anystor1 kernel: [<ffffffff811415fe>] ? nfsd_write+0xfe/0x110
Aug  2 18:19:58 anystor1 kernel: [<ffffffff81148ba6>] ?
nfsd3_proc_write+0xb6/0x160
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8113b3ca>] ? nfsd_dispatch+0xba/0x270
Aug  2 18:19:58 anystor1 kernel: [<ffffffff81346f1a>] ? svc_process+0x4aa/0x800
Aug  2 18:19:58 anystor1 kernel: [<ffffffff81038fb0>] ?
default_wake_function+0x0/0x10
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8113ba00>] ? nfsd+0x0/0x150
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8113bacd>] ? nfsd+0xcd/0x150
Aug  2 18:19:58 anystor1 kernel: [<ffffffff810529d6>] ? kthread+0x96/0xb0
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8100cc7a>] ? child_rip+0xa/0x20
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8101ea10>] ?
lapic_next_event+0x0/0x20
Aug  2 18:19:58 anystor1 kernel: [<ffffffff81052940>] ? kthread+0x0/0xb0
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8100cc70>] ? child_rip+0x0/0x20
Aug  2 18:19:58 anystor1 kernel: INFO: task nfsd:2387 blocked for more
than 120 seconds.
Aug  2 18:19:58 anystor1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:19:58 anystor1 kernel: nfsd          D ffff88042eedda00
0  2387      2 0x00000000
Aug  2 18:19:58 anystor1 kernel: ffff88042df493e0 0000000000000046
ffff880426a6cc00 ffff88042df494f4
Aug  2 18:19:58 anystor1 kernel: 000000000000c8e8 ffff88042df49fd8
ffff88042eedda00 ffff88043f872d00
Aug  2 18:19:58 anystor1 kernel: ffff88042eeddc70 000000018119ea84
000000002df494f8 0000000000000000
Aug  2 18:19:58 anystor1 kernel: Call Trace:
Aug  2 18:19:58 anystor1 kernel: [<ffffffff811710e0>] ? xfs_bmapi+0x880/0x1230
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8135edad>] ?
schedule_timeout+0x1ed/0x250
Aug  2 18:19:58 anystor1 kernel: [<ffffffff8135dfc8>] ?
wait_for_common+0xe8/0x170
Aug  2 18:19:58 anystor1 kernel: [<ffffffff81038fb0>] ?
default_wake_function+0x0/0x10
Aug  2 18:19:58 anystor1 kernel: [<ffffffff811b7421>] ?
xfs_flush_inodes+0x61/0x90
Aug  2 18:19:58 anystor1 kernel: [<ffffffff81193163>] ?
xfs_iomap_write_delay+0x1a3/0x280
Aug  2 18:19:58 anystor1 kernel: [<ffffffff81193991>] ? xfs_iomap+0x2f1/0x300
Aug  2 18:19:58 anystor1 kernel: [<ffffffff811aba9f>] ?
__xfs_get_blocks+0x8f/0x220
Aug  2 18:19:58 anystor1 kernel: [<ffffffff810d0e0d>] ?
alloc_buffer_head+0x3d/0x50
Aug  2 18:19:58 anystor1 kernel: [<ffffffff810d1689>] ?
alloc_page_buffers+0x79/0xf0
Aug  2 18:19:58 anystor1 kernel: [<ffffffff810d3594>] ?
__block_prepare_write+0x294/0x580
Aug  2 18:19:58 anystor1 kernel: [<ffffffff811abc50>] ? xfs_get_blocks+0x0/0x10
Aug  2 18:19:58 anystor1 kernel: [<ffffffff810d39f5>] ?
block_write_begin+0x55/0xe0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811ad002>] ?
xfs_vm_write_begin+0x22/0x30
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811abc50>] ? xfs_get_blocks+0x0/0x10
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810770f4>] ?
generic_file_buffered_write+0x114/0x290
Aug  2 18:19:59 anystor1 kernel: [<ffffffff812dd970>] ?
dev_queue_xmit+0x110/0x4d0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811b41fc>] ? xfs_write+0x6cc/0x950
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8107a979>] ?
free_one_page+0x1b9/0x320
Aug  2 18:19:59 anystor1 kernel: [<ffffffff812d76d9>] ?
skb_copy_datagram_iovec+0x49/0x230
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8118c3ef>] ? xfs_iget+0x25f/0x4d0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811b00d0>] ?
xfs_file_aio_write+0x0/0x60
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810ab9eb>] ?
do_sync_readv_writev+0xcb/0x110
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81052cd0>] ?
autoremove_wake_function+0x0/0x30
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810ab826>] ?
rw_copy_check_uvector+0x86/0x130
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810ac0d2>] ?
do_readv_writev+0xe2/0x230
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81145eb2>] ? nfsd_setuser+0x122/0x2b0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113ea6c>] ?
nfsd_setuser_and_check_port+0x5c/0x70
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113f3a3>] ?
nfsd_permission+0xf3/0x170
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811407a1>] ?
nfsd_vfs_write+0xe1/0x440
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810a9e2b>] ?
__dentry_open+0x10b/0x300
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81141187>] ? nfsd_open+0x147/0x1f0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811415fe>] ? nfsd_write+0xfe/0x110
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81148ba6>] ?
nfsd3_proc_write+0xb6/0x160
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113b3ca>] ? nfsd_dispatch+0xba/0x270
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81346f1a>] ? svc_process+0x4aa/0x800
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81038fb0>] ?
default_wake_function+0x0/0x10
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113ba00>] ? nfsd+0x0/0x150
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113bacd>] ? nfsd+0xcd/0x150
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810529d6>] ? kthread+0x96/0xb0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8100cc7a>] ? child_rip+0xa/0x20
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8101ea10>] ?
lapic_next_event+0x0/0x20
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81052940>] ? kthread+0x0/0xb0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8100cc70>] ? child_rip+0x0/0x20
Aug  2 18:19:59 anystor1 kernel: INFO: task nfsd:2389 blocked for more
than 120 seconds.
Aug  2 18:19:59 anystor1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:19:59 anystor1 kernel: nfsd          D ffff88042eede540
0  2389      2 0x00000000
Aug  2 18:19:59 anystor1 kernel: ffff88042d9653e0 0000000000000046
ffff880426afe000 ffff88042d9654f4
Aug  2 18:19:59 anystor1 kernel: 000000000000c8e8 ffff88042d965fd8
ffff88042eede540 ffff88043f8d8b40
Aug  2 18:19:59 anystor1 kernel: ffff88042eede7b0 000000058119ea84
000000002d9654f8 0000000000000000
Aug  2 18:19:59 anystor1 kernel: Call Trace:
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811710e0>] ? xfs_bmapi+0x880/0x1230
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8135edad>] ?
schedule_timeout+0x1ed/0x250
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81035200>] ?
enqueue_task_fair+0x1b0/0x210
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8135dfc8>] ?
wait_for_common+0xe8/0x170
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81038fb0>] ?
default_wake_function+0x0/0x10
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811b7421>] ?
xfs_flush_inodes+0x61/0x90
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81193163>] ?
xfs_iomap_write_delay+0x1a3/0x280
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81193991>] ? xfs_iomap+0x2f1/0x300
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811aba9f>] ?
__xfs_get_blocks+0x8f/0x220
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810d0e0d>] ?
alloc_buffer_head+0x3d/0x50
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810d1689>] ?
alloc_page_buffers+0x79/0xf0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810d3594>] ?
__block_prepare_write+0x294/0x580
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811abc50>] ? xfs_get_blocks+0x0/0x10
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810d39f5>] ?
block_write_begin+0x55/0xe0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811ad002>] ?
xfs_vm_write_begin+0x22/0x30
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811abc50>] ? xfs_get_blocks+0x0/0x10
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810770f4>] ?
generic_file_buffered_write+0x114/0x290
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811b41fc>] ? xfs_write+0x6cc/0x950
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8107a979>] ?
free_one_page+0x1b9/0x320
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8118c3ef>] ? xfs_iget+0x25f/0x4d0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811b00d0>] ?
xfs_file_aio_write+0x0/0x60
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810ab9eb>] ?
do_sync_readv_writev+0xcb/0x110
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81052cd0>] ?
autoremove_wake_function+0x0/0x30
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810ab826>] ?
rw_copy_check_uvector+0x86/0x130
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810ac0d2>] ?
do_readv_writev+0xe2/0x230
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81145eb2>] ? nfsd_setuser+0x122/0x2b0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113ea6c>] ?
nfsd_setuser_and_check_port+0x5c/0x70
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113f3a3>] ?
nfsd_permission+0xf3/0x170
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811407a1>] ?
nfsd_vfs_write+0xe1/0x440
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810a9e2b>] ?
__dentry_open+0x10b/0x300
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81141187>] ? nfsd_open+0x147/0x1f0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811415fe>] ? nfsd_write+0xfe/0x110
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81148ba6>] ?
nfsd3_proc_write+0xb6/0x160
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113b3ca>] ? nfsd_dispatch+0xba/0x270
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81346f1a>] ? svc_process+0x4aa/0x800
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81038fb0>] ?
default_wake_function+0x0/0x10
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113ba00>] ? nfsd+0x0/0x150
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113bacd>] ? nfsd+0xcd/0x150
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810529d6>] ? kthread+0x96/0xb0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8100cc7a>] ? child_rip+0xa/0x20
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8101ea10>] ?
lapic_next_event+0x0/0x20
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81052940>] ? kthread+0x0/0xb0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8100cc70>] ? child_rip+0x0/0x20
Aug  2 18:19:59 anystor1 kernel: INFO: task nfsd:2395 blocked for more
than 120 seconds.
Aug  2 18:19:59 anystor1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:19:59 anystor1 kernel: nfsd          D ffff88042d590b40
0  2395      2 0x00000000
Aug  2 18:19:59 anystor1 kernel: ffff88042d7a7ce8 0000000000000046
0000000000000000 ffff880109e0ab00
Aug  2 18:19:59 anystor1 kernel: 000000000000c8e8 ffff88042d7a7fd8
ffff88042d590b40 ffffffff814a7840
Aug  2 18:19:59 anystor1 kernel: ffff88042d590db0 000000002d97ac08
000000010a54da62 ffff88002820c8e8
Aug  2 18:19:59 anystor1 kernel: Call Trace:
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810b48cd>] ?
generic_permission+0x1d/0xc0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113f331>] ?
nfsd_permission+0x81/0x170
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8135f2ae>] ?
__mutex_lock_slowpath+0xee/0x170
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8135f0ea>] ? mutex_lock+0x1a/0x40
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81141d81>] ?
nfsd_create_v3+0xf1/0x580
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81148a58>] ?
nfsd3_proc_create+0x118/0x1b0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113b3ca>] ? nfsd_dispatch+0xba/0x270
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81346f1a>] ? svc_process+0x4aa/0x800
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81038fb0>] ?
default_wake_function+0x0/0x10
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113ba00>] ? nfsd+0x0/0x150
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113bacd>] ? nfsd+0xcd/0x150
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810529d6>] ? kthread+0x96/0xb0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8100cc7a>] ? child_rip+0xa/0x20
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8101ea10>] ?
lapic_next_event+0x0/0x20
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81052940>] ? kthread+0x0/0xb0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8100cc70>] ? child_rip+0x0/0x20
Aug  2 18:19:59 anystor1 kernel: INFO: task nfsd:2403 blocked for more
than 120 seconds.
Aug  2 18:19:59 anystor1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:19:59 anystor1 kernel: nfsd          D ffff88042d593840
0  2403      2 0x00000000
Aug  2 18:19:59 anystor1 kernel: ffff88042cfe3ad0 0000000000000046
0000000000000000 ffffffff8117a64b
Aug  2 18:19:59 anystor1 kernel: 000000000000c8e8 ffff88042cfe3fd8
ffff88042d593840 ffff88043f8d8b40
Aug  2 18:19:59 anystor1 kernel: ffff88042d593ab0 0000000500000286
000000010a5219d8 ffff8800282ac8e8
Aug  2 18:19:59 anystor1 kernel: Call Trace:
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8117a64b>] ?
xfs_da_do_buf+0x52b/0x700
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8135edad>] ?
schedule_timeout+0x1ed/0x250
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8135dfc8>] ?
wait_for_common+0xe8/0x170
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81038fb0>] ?
default_wake_function+0x0/0x10
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811b7421>] ?
xfs_flush_inodes+0x61/0x90
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811a83f8>] ? xfs_create+0x348/0x600
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81145eb2>] ? nfsd_setuser+0x122/0x2b0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810b48cd>] ?
generic_permission+0x1d/0xc0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811b2b7d>] ? xfs_vn_mknod+0x8d/0x1e0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810b5daf>] ? vfs_create+0xef/0x160
Aug  2 18:19:59 anystor1 kernel: [<ffffffff811420eb>] ?
nfsd_create_v3+0x45b/0x580
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81148a58>] ?
nfsd3_proc_create+0x118/0x1b0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113b3ca>] ? nfsd_dispatch+0xba/0x270
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81346f1a>] ? svc_process+0x4aa/0x800
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81038fb0>] ?
default_wake_function+0x0/0x10
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113ba00>] ? nfsd+0x0/0x150
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8113bacd>] ? nfsd+0xcd/0x150
Aug  2 18:19:59 anystor1 kernel: [<ffffffff810529d6>] ? kthread+0x96/0xb0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8100cc7a>] ? child_rip+0xa/0x20
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8101ea10>] ?
lapic_next_event+0x0/0x20
Aug  2 18:19:59 anystor1 kernel: [<ffffffff81052940>] ? kthread+0x0/0xb0
Aug  2 18:19:59 anystor1 kernel: [<ffffffff8100cc70>] ? child_rip+0x0/0x20
Aug  2 19:04:54 anystor1 kernel: nfsd: peername failed (err 107)!
Aug  2 19:04:54 anystor1 kernel: nfsd: peername failed (err 107)!
Aug  2 19:04:54 anystor1 kernel: nfsd: peername failed (err 107)!
Aug  2 19:04:54 anystor1 kernel: nfsd: peername failed (err 107)!
Aug  2 19:04:54 anystor1 kernel: nfsd: peername failed (err 107)!
Aug  2 19:04:54 anystor1 kernel: nfsd: peername failed (err 107)!
Aug  2 19:04:54 anystor1 kernel: nfsd: peername failed (err 107)!
Aug  2 19:04:54 anystor1 kernel: nfsd: peername failed (err 107)!
Aug  2 19:04:54 anystor1 kernel: nfsd: peername failed (err 107)!
Aug  2 19:04:54 anystor1 kernel: nfsd: peername failed (err 107)!
Aug  2 19:17:48 anystor1 kernel: __ratelimit: 12 callbacks suppressed
Aug  2 19:17:48 anystor1 kernel: nfsd: peername failed (err 107)!
Aug  2 19:17:48 anystor1 kernel: nfsd: peername failed (err 107)!
================================================================================

    c. nfs client messages

================================================================================
Aug  2 18:15:53 c1 kernel: INFO: task bonnie++:8007 blocked for more
than 120 seconds.
Aug  2 18:15:53 c1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:15:53 c1 kernel: bonnie++        D 0000000000000001     0
8007  29681 0x00000000
Aug  2 18:15:53 c1 kernel: INFO: task bonnie++:8014 blocked for more
than 120 seconds.
Aug  2 18:15:53 c1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:15:53 c1 kernel: bonnie++        D 0000000000000001     0
8014   6567 0x00000000
Aug  2 18:16:41 c1 kernel: nfs: server nfs_server not responding, still trying
Aug  2 18:16:41 c1 kernel: nfs: server nfs_server not responding, still trying
Aug  2 18:16:44 c1 kernel: nfs: server nfs_server not responding, still trying
Aug  2 18:17:53 c1 kernel: INFO: task bonnie++:8007 blocked for more
than 120 seconds.
Aug  2 18:17:53 c1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:17:53 c1 kernel: bonnie++        D 0000000000000001     0
8007  29681 0x00000000
Aug  2 18:17:53 c1 kernel: INFO: task bonnie++:8014 blocked for more
than 120 seconds.
Aug  2 18:17:53 c1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:17:53 c1 kernel: bonnie++        D 0000000000000001     0
8014   6567 0x00000000
Aug  2 18:19:53 c1 kernel: INFO: task bonnie++:8007 blocked for more
than 120 seconds.
Aug  2 18:19:53 c1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:19:53 c1 kernel: bonnie++        D 0000000000000001     0
8007  29681 0x00000000
Aug  2 18:19:53 c1 kernel: INFO: task bonnie++:8014 blocked for more
than 120 seconds.
Aug  2 18:19:53 c1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:19:53 c1 kernel: bonnie++        D 0000000000000001     0
8014   6567 0x00000000
Aug  2 18:21:53 c1 kernel: INFO: task bonnie++:8007 blocked for more
than 120 seconds.
Aug  2 18:21:53 c1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:21:53 c1 kernel: bonnie++        D 0000000000000001     0
8007  29681 0x00000000
Aug  2 18:21:53 c1 kernel: INFO: task bonnie++:8014 blocked for more
than 120 seconds.
Aug  2 18:21:53 c1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:21:53 c1 kernel: bonnie++        D 0000000000000001     0
8014   6567 0x00000000
Aug  2 18:23:53 c1 kernel: INFO: task bonnie++:8007 blocked for more
than 120 seconds.
Aug  2 18:23:53 c1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:23:53 c1 kernel: bonnie++        D 0000000000000001     0
8007  29681 0x00000000
Aug  2 18:23:53 c1 kernel: INFO: task bonnie++:8014 blocked for more
than 120 seconds.
Aug  2 18:23:53 c1 kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug  2 18:23:53 c1 kernel: bonnie++        D 0000000000000001     0
8014   6567 0x00000000
Aug  2 19:03:49 c1 kernel: nfs: server nfs_server OK
Aug  2 19:03:49 c1 kernel: nfs: server nfs_server OK
Aug  2 19:06:54 c1 kernel: nfs: server nfs_server not responding, still trying
Aug  2 19:06:54 c1 kernel: nfs: server nfs_server not responding, still trying
================================================================================

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