I just ran into a 12.04.03 client, and it does have the problem.
Here's the dmesg output:
[ 3122.368038] INFO: task nautilus:2352 blocked for more than 120 seconds.
[ 3122.368042] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 3122.368044] nautilus D ffffffff81806240 0 2352 2223 0x00000000
[ 3122.368049] ffff88010c44dc78 0000000000000082 ffff88010c44dc38
ffff88010c44de38
[ 3122.368055] ffff88010c44dfd8 ffff88010c44dfd8 ffff88010c44dfd8
00000000000137c0
[ 3122.368059] ffffffff81c0d020 ffff880120644500 0000000000000001
ffff880113be1a00
[ 3122.368064] Call Trace:
[ 3122.368072] [<ffffffff8165fe7f>] schedule+0x3f/0x60
[ 3122.368075] [<ffffffff81660c77>] __mutex_lock_slowpath+0xd7/0x150
[ 3122.368079] [<ffffffff8166088a>] mutex_lock+0x2a/0x50
[ 3122.368083] [<ffffffff811886b4>] do_last+0x2b4/0x730
[ 3122.368087] [<ffffffff81189ed1>] path_openat+0xd1/0x3f0
[ 3122.368091] [<ffffffff8164dccc>] ? __slab_free+0x1d2/0x2f3
[ 3122.368095] [<ffffffff811347c1>] ? kzfree+0x31/0x40
[ 3122.368099] [<ffffffff8118a312>] do_filp_open+0x42/0xa0
[ 3122.368103] [<ffffffff8131cee1>] ? strncpy_from_user+0x31/0x40
[ 3122.368106] [<ffffffff8118565a>] ? do_getname+0x10a/0x180
[ 3122.368110] [<ffffffff81661d8e>] ? _raw_spin_lock+0xe/0x20
[ 3122.368114] [<ffffffff81197637>] ? alloc_fd+0xf7/0x150
[ 3122.368119] [<ffffffff81179888>] do_sys_open+0xf8/0x240
[ 3122.368122] [<ffffffff811799f0>] sys_open+0x20/0x30
[ 3122.368125] [<ffffffff8166a3c2>] system_call_fastpath+0x16/0x1b
[ 3242.368035] INFO: task gnome-settings-:2318 blocked for more than 120
seconds.
[ 3242.368038] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 3242.368041] gnome-settings- D ffffffff81806240 0 2318 2223 0x00000000
[ 3242.368046] ffff88010e3e9c78 0000000000000086 ffff88010e3e9c38
ffff88010e3e9e38
[ 3242.368051] ffff88010e3e9fd8 ffff88010e3e9fd8 ffff88010e3e9fd8
00000000000137c0
[ 3242.368056] ffff880120ea9700 ffff88010d2c9700 0000000000000001
ffff880113be1a00
[ 3242.368060] Call Trace:
[ 3242.368069] [<ffffffff8165fe7f>] schedule+0x3f/0x60
[ 3242.368072] [<ffffffff81660c77>] __mutex_lock_slowpath+0xd7/0x150
[ 3242.368075] [<ffffffff8166088a>] mutex_lock+0x2a/0x50
[ 3242.368080] [<ffffffff811886b4>] do_last+0x2b4/0x730
[ 3242.368083] [<ffffffff81189ed1>] path_openat+0xd1/0x3f0
[ 3242.368087] [<ffffffff8119522e>] ? iput+0x3e/0x50
[ 3242.368090] [<ffffffff8118a312>] do_filp_open+0x42/0xa0
[ 3242.368094] [<ffffffff8131cee1>] ? strncpy_from_user+0x31/0x40
[ 3242.368097] [<ffffffff8118565a>] ? do_getname+0x10a/0x180
[ 3242.368101] [<ffffffff81661d8e>] ? _raw_spin_lock+0xe/0x20
[ 3242.368105] [<ffffffff81197637>] ? alloc_fd+0xf7/0x150
[ 3242.368109] [<ffffffff81179888>] do_sys_open+0xf8/0x240
[ 3242.368112] [<ffffffff811799f0>] sys_open+0x20/0x30
[ 3242.368116] [<ffffffff8166a3c2>] system_call_fastpath+0x16/0x1b
[ 3242.368121] INFO: task nautilus:2352 blocked for more than 120 seconds.
[ 3242.368123] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 3242.368125] nautilus D ffffffff81806240 0 2352 2223 0x00000000
[ 3242.368129] ffff88010c44dc78 0000000000000082 ffff88010c44dc38
ffff88010c44de38
[ 3242.368133] ffff88010c44dfd8 ffff88010c44dfd8 ffff88010c44dfd8
00000000000137c0
[ 3242.368138] ffffffff81c0d020 ffff880120644500 0000000000000001
ffff880113be1a00
[ 3242.368142] Call Trace:
[ 3242.368145] [<ffffffff8165fe7f>] schedule+0x3f/0x60
[ 3242.368148] [<ffffffff81660c77>] __mutex_lock_slowpath+0xd7/0x150
[ 3242.368151] [<ffffffff8166088a>] mutex_lock+0x2a/0x50
[ 3242.368154] [<ffffffff811886b4>] do_last+0x2b4/0x730
[ 3242.368158] [<ffffffff81189ed1>] path_openat+0xd1/0x3f0
[ 3242.368162] [<ffffffff8164dccc>] ? __slab_free+0x1d2/0x2f3
[ 3242.368166] [<ffffffff811347c1>] ? kzfree+0x31/0x40
[ 3242.368169] [<ffffffff8118a312>] do_filp_open+0x42/0xa0
[ 3242.368172] [<ffffffff8131cee1>] ? strncpy_from_user+0x31/0x40
[ 3242.368175] [<ffffffff8118565a>] ? do_getname+0x10a/0x180
[ 3242.368179] [<ffffffff81661d8e>] ? _raw_spin_lock+0xe/0x20
[ 3242.368182] [<ffffffff81197637>] ? alloc_fd+0xf7/0x150
[ 3242.368185] [<ffffffff81179888>] do_sys_open+0xf8/0x240
[ 3242.368188] [<ffffffff811799f0>] sys_open+0x20/0x30
[ 3242.368191] [<ffffffff8166a3c2>] system_call_fastpath+0x16/0x1b
[ 3242.368216] INFO: task vmd:5142 blocked for more than 120 seconds.
[ 3242.368218] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 3242.368220] vmd D ffffffff81806240 0 5142 4087 0x00000000
[ 3242.368224] ffff880096f1bbf8 0000000000000086 ffff880096f1bb98
ffffffff81661d8e
[ 3242.368229] ffff880096f1bfd8 ffff880096f1bfd8 ffff880096f1bfd8
00000000000137c0
[ 3242.368233] ffffffff81c0d020 ffff8800bfeadc00 ffff880109760c00
ffff880113be8260
[ 3242.368238] Call Trace:
[ 3242.368241] [<ffffffff81661d8e>] ? _raw_spin_lock+0xe/0x20
[ 3242.368244] [<ffffffff8165fe7f>] schedule+0x3f/0x60
[ 3242.368247] [<ffffffff81660c77>] __mutex_lock_slowpath+0xd7/0x150
[ 3242.368251] [<ffffffff8166088a>] mutex_lock+0x2a/0x50
[ 3242.368254] [<ffffffff81187396>] do_lookup+0x1d6/0x310
[ 3242.368258] [<ffffffff811656dc>] ? kmem_cache_alloc_trace+0x10c/0x140
[ 3242.368261] [<ffffffff811884e0>] do_last+0xe0/0x730
[ 3242.368265] [<ffffffff81189ed1>] path_openat+0xd1/0x3f0
[ 3242.368269] [<ffffffff81213132>] ? call_filldir+0xc2/0x110
[ 3242.368272] [<ffffffff8118cd40>] ? fillonedir+0xd0/0xd0
[ 3242.368276] [<ffffffff8118cd40>] ? fillonedir+0xd0/0xd0
[ 3242.368279] [<ffffffff8118a312>] do_filp_open+0x42/0xa0
[ 3242.368282] [<ffffffff8131cee1>] ? strncpy_from_user+0x31/0x40
[ 3242.368285] [<ffffffff8118565a>] ? do_getname+0x10a/0x180
[ 3242.368288] [<ffffffff81661d8e>] ? _raw_spin_lock+0xe/0x20
[ 3242.368292] [<ffffffff81197637>] ? alloc_fd+0xf7/0x150
[ 3242.368295] [<ffffffff81179888>] do_sys_open+0xf8/0x240
[ 3242.368298] [<ffffffff8117bad5>] ? fput+0x25/0x30
[ 3242.368301] [<ffffffff811799f0>] sys_open+0x20/0x30
[ 3242.368304] [<ffffffff8166a3c2>] system_call_fastpath+0x16/0x1b
[ 3356.544028] usb 1-1: USB disconnect, device number 2
[ 3362.368036] INFO: task gnome-settings-:2318 blocked for more than 120
seconds.
[ 3362.368039] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 3362.368042] gnome-settings- D ffffffff81806240 0 2318 2223 0x00000000
[ 3362.368047] ffff88010e3e9c78 0000000000000086 ffff88010e3e9c38
ffff88010e3e9e38
[ 3362.368052] ffff88010e3e9fd8 ffff88010e3e9fd8 ffff88010e3e9fd8
00000000000137c0
[ 3362.368057] ffff880120ea9700 ffff88010d2c9700 0000000000000001
ffff880113be1a00
[ 3362.368061] Call Trace:
[ 3362.368070] [<ffffffff8165fe7f>] schedule+0x3f/0x60
[ 3362.368073] [<ffffffff81660c77>] __mutex_lock_slowpath+0xd7/0x150
[ 3362.368077] [<ffffffff8166088a>] mutex_lock+0x2a/0x50
[ 3362.368081] [<ffffffff811886b4>] do_last+0x2b4/0x730
[ 3362.368084] [<ffffffff81189ed1>] path_openat+0xd1/0x3f0
[ 3362.368088] [<ffffffff8119522e>] ? iput+0x3e/0x50
[ 3362.368091] [<ffffffff8118a312>] do_filp_open+0x42/0xa0
[ 3362.368095] [<ffffffff8131cee1>] ? strncpy_from_user+0x31/0x40
[ 3362.368099] [<ffffffff8118565a>] ? do_getname+0x10a/0x180
[ 3362.368102] [<ffffffff81661d8e>] ? _raw_spin_lock+0xe/0x20
[ 3362.368106] [<ffffffff81197637>] ? alloc_fd+0xf7/0x150
[ 3362.368110] [<ffffffff81179888>] do_sys_open+0xf8/0x240
[ 3362.368113] [<ffffffff811799f0>] sys_open+0x20/0x30
[ 3362.368116] [<ffffffff8166a3c2>] system_call_fastpath+0x16/0x1b
[ 3362.368121] INFO: task nautilus:2352 blocked for more than 120 seconds.
[ 3362.368123] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 3362.368125] nautilus D ffffffff81806240 0 2352 2223 0x00000000
[ 3362.368129] ffff88010c44dc78 0000000000000082 ffff88010c44dc38
ffff88010c44de38
[ 3362.368134] ffff88010c44dfd8 ffff88010c44dfd8 ffff88010c44dfd8
00000000000137c0
[ 3362.368138] ffffffff81c0d020 ffff880120644500 0000000000000001
ffff880113be1a00
[ 3362.368142] Call Trace:
[ 3362.368145] [<ffffffff8165fe7f>] schedule+0x3f/0x60
[ 3362.368149] [<ffffffff81660c77>] __mutex_lock_slowpath+0xd7/0x150
[ 3362.368152] [<ffffffff8166088a>] mutex_lock+0x2a/0x50
[ 3362.368155] [<ffffffff811886b4>] do_last+0x2b4/0x730
[ 3362.368159] [<ffffffff81189ed1>] path_openat+0xd1/0x3f0
[ 3362.368163] [<ffffffff8164dccc>] ? __slab_free+0x1d2/0x2f3
[ 3362.368168] [<ffffffff811347c1>] ? kzfree+0x31/0x40
[ 3362.368171] [<ffffffff8118a312>] do_filp_open+0x42/0xa0
[ 3362.368174] [<ffffffff8131cee1>] ? strncpy_from_user+0x31/0x40
[ 3362.368177] [<ffffffff8118565a>] ? do_getname+0x10a/0x180
[ 3362.368181] [<ffffffff81661d8e>] ? _raw_spin_lock+0xe/0x20
[ 3362.368184] [<ffffffff81197637>] ? alloc_fd+0xf7/0x150
[ 3362.368187] [<ffffffff81179888>] do_sys_open+0xf8/0x240
[ 3362.368196] [<ffffffff811799f0>] sys_open+0x20/0x30
[ 3362.368198] [<ffffffff8166a3c2>] system_call_fastpath+0x16/0x1b
[ 3362.368211] INFO: task vmd:5142 blocked for more than 120 seconds.
[ 3362.368212] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 3362.368214] vmd D ffffffff81806240 0 5142 4087 0x00000000
[ 3362.368216] ffff880096f1bbf8 0000000000000086 ffff880096f1bb98
ffffffff81661d8e
[ 3362.368219] ffff880096f1bfd8 ffff880096f1bfd8 ffff880096f1bfd8
00000000000137c0
[ 3362.368222] ffffffff81c0d020 ffff8800bfeadc00 ffff880109760c00
ffff880113be8260
[ 3362.368225] Call Trace:
[ 3362.368227] [<ffffffff81661d8e>] ? _raw_spin_lock+0xe/0x20
[ 3362.368229] [<ffffffff8165fe7f>] schedule+0x3f/0x60
[ 3362.368231] [<ffffffff81660c77>] __mutex_lock_slowpath+0xd7/0x150
[ 3362.368233] [<ffffffff8166088a>] mutex_lock+0x2a/0x50
[ 3362.368235] [<ffffffff81187396>] do_lookup+0x1d6/0x310
[ 3362.368238] [<ffffffff811656dc>] ? kmem_cache_alloc_trace+0x10c/0x140
[ 3362.368240] [<ffffffff811884e0>] do_last+0xe0/0x730
[ 3362.368242] [<ffffffff81189ed1>] path_openat+0xd1/0x3f0
[ 3362.368245] [<ffffffff81213132>] ? call_filldir+0xc2/0x110
[ 3362.368247] [<ffffffff8118cd40>] ? fillonedir+0xd0/0xd0
[ 3362.368249] [<ffffffff8118cd40>] ? fillonedir+0xd0/0xd0
[ 3362.368251] [<ffffffff8118a312>] do_filp_open+0x42/0xa0
[ 3362.368253] [<ffffffff8131cee1>] ? strncpy_from_user+0x31/0x40
[ 3362.368255] [<ffffffff8118565a>] ? do_getname+0x10a/0x180
[ 3362.368257] [<ffffffff81661d8e>] ? _raw_spin_lock+0xe/0x20
[ 3362.368259] [<ffffffff81197637>] ? alloc_fd+0xf7/0x150
[ 3362.368261] [<ffffffff81179888>] do_sys_open+0xf8/0x240
[ 3362.368263] [<ffffffff8117bad5>] ? fput+0x25/0x30
[ 3362.368265] [<ffffffff811799f0>] sys_open+0x20/0x30
[ 3362.368267] [<ffffffff8166a3c2>] system_call_fastpath+0x16/0x1b
[ 3482.368036] INFO: task gnome-settings-:2318 blocked for more than 120
seconds.
[ 3482.368040] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 3482.368042] gnome-settings- D ffffffff81806240 0 2318 2223 0x00000000
[ 3482.368047] ffff88010e3e9c78 0000000000000086 ffff88010e3e9c38
ffff88010e3e9e38
[ 3482.368052] ffff88010e3e9fd8 ffff88010e3e9fd8 ffff88010e3e9fd8
00000000000137c0
[ 3482.368057] ffff880120ea9700 ffff88010d2c9700 0000000000000001
ffff880113be1a00
[ 3482.368061] Call Trace:
[ 3482.368069] [<ffffffff8165fe7f>] schedule+0x3f/0x60
[ 3482.368073] [<ffffffff81660c77>] __mutex_lock_slowpath+0xd7/0x150
[ 3482.368076] [<ffffffff8166088a>] mutex_lock+0x2a/0x50
[ 3482.368081] [<ffffffff811886b4>] do_last+0x2b4/0x730
[ 3482.368084] [<ffffffff81189ed1>] path_openat+0xd1/0x3f0
[ 3482.368088] [<ffffffff8119522e>] ? iput+0x3e/0x50
[ 3482.368091] [<ffffffff8118a312>] do_filp_open+0x42/0xa0
[ 3482.368095] [<ffffffff8131cee1>] ? strncpy_from_user+0x31/0x40
[ 3482.368098] [<ffffffff8118565a>] ? do_getname+0x10a/0x180
[ 3482.368102] [<ffffffff81661d8e>] ? _raw_spin_lock+0xe/0x20
[ 3482.368106] [<ffffffff81197637>] ? alloc_fd+0xf7/0x150
[ 3482.368109] [<ffffffff81179888>] do_sys_open+0xf8/0x240
[ 3482.368112] [<ffffffff811799f0>] sys_open+0x20/0x30
[ 3482.368116] [<ffffffff8166a3c2>] system_call_fastpath+0x16/0x1b
[ 3482.368121] INFO: task nautilus:2352 blocked for more than 120 seconds.
[ 3482.368123] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 3482.368125] nautilus D ffffffff81806240 0 2352 2223 0x00000000
[ 3482.368129] ffff88010c44dc78 0000000000000082 ffff88010c44dc38
ffff88010c44de38
[ 3482.368134] ffff88010c44dfd8 ffff88010c44dfd8 ffff88010c44dfd8
00000000000137c0
[ 3482.368138] ffffffff81c0d020 ffff880120644500 0000000000000001
ffff880113be1a00
[ 3482.368143] Call Trace:
[ 3482.368146] [<ffffffff8165fe7f>] schedule+0x3f/0x60
[ 3482.368149] [<ffffffff81660c77>] __mutex_lock_slowpath+0xd7/0x150
[ 3482.368153] [<ffffffff8166088a>] mutex_lock+0x2a/0x50
[ 3482.368156] [<ffffffff811886b4>] do_last+0x2b4/0x730
[ 3482.368159] [<ffffffff81189ed1>] path_openat+0xd1/0x3f0
[ 3482.368163] [<ffffffff8164dccc>] ? __slab_free+0x1d2/0x2f3
[ 3482.368168] [<ffffffff811347c1>] ? kzfree+0x31/0x40
[ 3482.368171] [<ffffffff8118a312>] do_filp_open+0x42/0xa0
[ 3482.368174] [<ffffffff8131cee1>] ? strncpy_from_user+0x31/0x40
[ 3482.368177] [<ffffffff8118565a>] ? do_getname+0x10a/0x180
[ 3482.368180] [<ffffffff81661d8e>] ? _raw_spin_lock+0xe/0x20
[ 3482.368183] [<ffffffff81197637>] ? alloc_fd+0xf7/0x150
[ 3482.368187] [<ffffffff81179888>] do_sys_open+0xf8/0x240
[ 3482.368190] [<ffffffff811799f0>] sys_open+0x20/0x30
[ 3482.368198] [<ffffffff8166a3c2>] system_call_fastpath+0x16/0x1b
[ 3482.368210] INFO: task firefox:4081 blocked for more than 120 seconds.
[ 3482.368211] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[ 3482.368212] firefox D 0000000000000001 0 4081 1 0x00000004
[ 3482.368215] ffff880096ea59d8 0000000000000046 ffff8800a8cdbba0
ffff880096ea5b78
[ 3482.368218] ffff880096ea5fd8 ffff880096ea5fd8 ffff880096ea5fd8
00000000000137c0
[ 3482.368221] ffff88010d250000 ffff880096f4ae00 ffff880096ea59b8
ffff880127c54080
[ 3482.368223] Call Trace:
[ 3482.368226] [<ffffffff81118e70>] ? __lock_page+0x70/0x70
[ 3482.368228] [<ffffffff8165fe7f>] schedule+0x3f/0x60
[ 3482.368230] [<ffffffff8165ff2f>] io_schedule+0x8f/0xd0
[ 3482.368232] [<ffffffff81118e7e>] sleep_on_page+0xe/0x20
[ 3482.368234] [<ffffffff8166073f>] __wait_on_bit+0x5f/0x90
[ 3482.368236] [<ffffffff81118fe8>] wait_on_page_bit+0x78/0x80
[ 3482.368239] [<ffffffff8108c120>] ? autoremove_wake_function+0x40/0x40
[ 3482.368242] [<ffffffff811190fc>] filemap_fdatawait_range+0x10c/0x1a0
[ 3482.368244] [<ffffffff8111aaa8>] filemap_write_and_wait_range+0x68/0x80
[ 3482.368258] [<ffffffffa0d76c1e>] nfs_file_fsync+0x5e/0x130 [nfs]
[ 3482.368261] [<ffffffff81199d4f>] ? mntput+0x1f/0x30
[ 3482.368264] [<ffffffff811a8dfb>] vfs_fsync+0x2b/0x40
[ 3482.368270] [<ffffffffa0d774f3>] nfs_file_flush+0x53/0x80 [nfs]
[ 3482.368272] [<ffffffff8117864f>] filp_close+0x3f/0x90
[ 3482.368276] [<ffffffff8106ab3a>] put_files_struct.part.10+0x7a/0xe0
[ 3482.368278] [<ffffffff8106c548>] put_files_struct+0x18/0x20
[ 3482.368280] [<ffffffff8106c614>] exit_files+0x54/0x70
[ 3482.368282] [<ffffffff8106caf4>] do_exit+0x194/0x450
[ 3482.368285] [<ffffffff8107b25a>] ? __dequeue_signal+0x6a/0xb0
[ 3482.368288] [<ffffffff8106cf54>] do_group_exit+0x44/0xa0
[ 3482.368290] [<ffffffff8107dddc>] get_signal_to_deliver+0x21c/0x420
[ 3482.368293] [<ffffffff81014855>] do_signal+0x45/0x130
[ 3482.368295] [<ffffffff8131cee1>] ? strncpy_from_user+0x31/0x40
[ 3482.368297] [<ffffffff8118565a>] ? do_getname+0x10a/0x180
[ 3482.368299] [<ffffffff81661d8e>] ? _raw_spin_lock+0xe/0x20
[ 3482.368302] [<ffffffff8116442f>] ? kmem_cache_free+0x2f/0x110
[ 3482.368304] [<ffffffff81185815>] ? putname+0x35/0x50
[ 3482.368306] [<ffffffff8117990c>] ? do_sys_open+0x17c/0x240
[ 3482.368308] [<ffffffff81014b05>] do_notify_resume+0x65/0x80
[ 3482.368310] [<ffffffff8166a690>] int_signal+0x12/0x17
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1243429
Title:
NFS Lockups with 13.04 clients to 12.04.03 server
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