[Bug 606523] Re: INFO: task nfsd:5047 blocked for more than 120 seconds.

[Thag]

This kernel still has the same problem:
linux-image-2.6.35-8-server          2.6.35-8.13~lucid1 


Jul 21 11:59:38 tonic kernel: [415800.840069] INFO: task nfsd:2880 blocked for more than 120 seconds.
Jul 21 11:59:38 tonic kernel: [415800.840073] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 21 11:59:38 tonic kernel: [415800.840077] nfsd          D 000000010279c5ff     0  2880      2 0x00000000
Jul 21 11:59:38 tonic kernel: [415800.840082]  ffff8803f52f5950 0000000000000046 ffff8803f52f58c0 0000000000015900
Jul 21 11:59:38 tonic kernel: [415800.840087]  ffff8803f52f5fd8 0000000000015900 ffff8803f52f5fd8 ffff8803f3905b80
Jul 21 11:59:38 tonic kernel: [415800.840092]  0000000000015900 0000000000015900 ffff8803f52f5fd8 0000000000015900
Jul 21 11:59:38 tonic kernel: [415800.840096] Call Trace:
Jul 21 11:59:38 tonic kernel: [415800.840106]  [<ffffffff814e50ac>] ? ip_finish_output+0x14c/0x310
Jul 21 11:59:38 tonic kernel: [415800.840112]  [<ffffffff8159d32f>] __mutex_lock_slowpath+0xff/0x190
Jul 21 11:59:38 tonic kernel: [415800.840116]  [<ffffffff8159cd23>] mutex_lock+0x23/0x50
Jul 21 11:59:38 tonic kernel: [415800.840121]  [<ffffffff811019a2>] generic_file_aio_write+0x52/0xd0
Jul 21 11:59:38 tonic kernel: [415800.840125]  [<ffffffff81101950>] ? generic_file_aio_write+0x0/0xd0
Jul 21 11:59:38 tonic kernel: [415800.840129]  [<ffffffff81151713>] do_sync_readv_writev+0xd3/0x110
Jul 21 11:59:38 tonic kernel: [415800.840161]  [<ffffffffa016e3aa>] ? cache_check+0x5a/0x1f0 [sunrpc]
Jul 21 11:59:38 tonic kernel: [415800.840167]  [<ffffffff8128e749>] ? apparmor_file_permission+0x19/0x20
Jul 21 11:59:38 tonic kernel: [415800.840172]  [<ffffffff8125d3b6>] ? security_file_permission+0x16/0x20
Jul 21 11:59:38 tonic kernel: [415800.840176]  [<ffffffff8115274f>] do_readv_writev+0xcf/0x1f0
Jul 21 11:59:38 tonic kernel: [415800.840180]  [<ffffffff8108607b>] ? set_groups+0x3b/0x60
Jul 21 11:59:38 tonic kernel: [415800.840195]  [<ffffffffa022d9d6>] ? nfsd_setuser+0x126/0x2c0 [nfsd]
Jul 21 11:59:38 tonic kernel: [415800.840201]  [<ffffffff811a54e0>] ? dquot_file_open+0x0/0x50
Jul 21 11:59:38 tonic kernel: [415800.840204]  [<ffffffff811528b8>] vfs_writev+0x48/0x60
Jul 21 11:59:38 tonic kernel: [415800.840213]  [<ffffffffa022717d>] nfsd_vfs_write+0x10d/0x420 [nfsd]
Jul 21 11:59:38 tonic kernel: [415800.840219]  [<ffffffff81150142>] ? dentry_open+0x52/0xc0
Jul 21 11:59:38 tonic kernel: [415800.840228]  [<ffffffffa02276e1>] ? nfsd_open+0x101/0x1a0 [nfsd]
Jul 21 11:59:38 tonic kernel: [415800.840237]  [<ffffffffa02279f7>] nfsd_write+0xe7/0x100 [nfsd]
Jul 21 11:59:38 tonic kernel: [415800.840247]  [<ffffffffa023137f>] nfsd3_proc_write+0xaf/0x140 [nfsd]
Jul 21 11:59:38 tonic kernel: [415800.840256]  [<ffffffffa022243e>] nfsd_dispatch+0xfe/0x250 [nfsd]
Jul 21 11:59:38 tonic kernel: [415800.840270]  [<ffffffffa0163774>] svc_process_common+0x344/0x610 [sunrpc]
Jul 21 11:59:38 tonic kernel: [415800.840275]  [<ffffffff81055b70>] ? default_wake_function+0x0/0x20
Jul 21 11:59:38 tonic kernel: [415800.840288]  [<ffffffffa0163b50>] svc_process+0x110/0x150 [sunrpc]
Jul 21 11:59:38 tonic kernel: [415800.840297]  [<ffffffffa0222ae5>] nfsd+0xc5/0x170 [nfsd]
Jul 21 11:59:38 tonic kernel: [415800.840305]  [<ffffffffa0222a20>] ? nfsd+0x0/0x170 [nfsd]
Jul 21 11:59:38 tonic kernel: [415800.840309]  [<ffffffff8107d9c6>] kthread+0x96/0xa0
Jul 21 11:59:38 tonic kernel: [415800.840314]  [<ffffffff8100aee4>] kernel_thread_helper+0x4/0x10
Jul 21 11:59:38 tonic kernel: [415800.840317]  [<ffffffff8107d930>] ? kthread+0x0/0xa0
Jul 21 11:59:38 tonic kernel: [415800.840321]  [<ffffffff8100aee0>] ? kernel_thread_helper+0x0/0x10

Upgrading to 
ii  linux-image-2.6.35-9-server          2.6.35-9.14~lucid1 
to retry.

Is there some other kernel version/build that I should be running with?
I can't believe that the latest LTS release doesn't have a functioning NFS server.

-- 
INFO: task nfsd:5047 blocked for more than 120 seconds.
https://bugs.launchpad.net/bugs/606523
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