[Bug 131094] Re: Heavy Disk I/O harms desktop responsiveness
LGB [Gábor Lénárt]
spam at lgb.hu
Mon Feb 15 16:40:49 UTC 2010
During those "cannot-do-anything" times, I even got kernel messages. One
example:
[998882.032583] INFO: task gvfsd-trash:2063 blocked for more than 120 seconds.
[998882.032589] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[998882.032594] gvfsd-trash D 0001ae75 0 2063 1 0x00000000
[998882.032602] d59f7da0 00000086 00000000 0001ae75 00000000 c087c6c0 d5825c5c c087c6c0
[998882.032614] 7a06b2df 00038c42 c087c6c0 c087c6c0 d5825c5c c087c6c0 c087c6c0 dd11a200
[998882.032628] 7a04da23 00038c42 d58259b0 cb0f4078 cb0f407c ffffffff d59f7dcc c05a48a6
[998882.032637] Call Trace:
[998882.032650] [<c05a48a6>] __mutex_lock_slowpath+0xc6/0x130
[998882.032654] [<c05a47c5>] mutex_lock+0x25/0x40
[998882.032660] [<c020e1fe>] real_lookup+0x2e/0x110
[998882.032664] [<c020fc05>] do_lookup+0x95/0xc0
[998882.032669] [<c021043d>] __link_path_walk+0x54d/0xb60
[998882.032673] [<c020f246>] ? path_to_nameidata+0x36/0x50
[998882.032677] [<c0210bf6>] path_walk+0x46/0xa0
[998882.032681] [<c0210d59>] do_path_lookup+0x59/0x90
[998882.032685] [<c02118a1>] user_path_at+0x41/0x80
[998882.032691] [<c01304cc>] ? kmap_atomic_prot+0x4c/0xf0
[998882.032696] [<c01e2f60>] ? __do_fault+0x3a0/0x4b0
[998882.032702] [<c02099ca>] vfs_fstatat+0x3a/0x70
[998882.032706] [<c0209a60>] vfs_lstat+0x20/0x30
[998882.032710] [<c0209a89>] sys_lstat64+0x19/0x30
[998882.032715] [<c05a7f2b>] ? do_page_fault+0x19b/0x380
[998882.032721] [<c0237492>] ? sys_inotify_add_watch+0xc2/0x100
[998882.032727] [<c010344c>] syscall_call+0x7/0xb
[999002.032195] INFO: task gvfsd-trash:2063 blocked for more than 120 seconds.
[999002.032202] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[999002.032208] gvfsd-trash D 0001ae75 0 2063 1 0x00000000
[999002.032218] d59f7da0 00000086 00000000 0001ae75 00000000 c087c6c0 d5825c5c c087c6c0
[999002.032232] 7a06b2df 00038c42 c087c6c0 c087c6c0 d5825c5c c087c6c0 c087c6c0 dd11a200
[999002.032245] 7a04da23 00038c42 d58259b0 cb0f4078 cb0f407c ffffffff d59f7dcc c05a48a6
[999002.032258] Call Trace:
[999002.032274] [<c05a48a6>] __mutex_lock_slowpath+0xc6/0x130
[999002.032283] [<c05a47c5>] mutex_lock+0x25/0x40
[999002.032291] [<c020e1fe>] real_lookup+0x2e/0x110
[999002.032298] [<c020fc05>] do_lookup+0x95/0xc0
[999002.032304] [<c021043d>] __link_path_walk+0x54d/0xb60
[999002.032312] [<c020f246>] ? path_to_nameidata+0x36/0x50
[999002.032318] [<c0210bf6>] path_walk+0x46/0xa0
[999002.032324] [<c0210d59>] do_path_lookup+0x59/0x90
[999002.032331] [<c02118a1>] user_path_at+0x41/0x80
[999002.032338] [<c01304cc>] ? kmap_atomic_prot+0x4c/0xf0
[999002.032348] [<c01e2f60>] ? __do_fault+0x3a0/0x4b0
[999002.032354] [<c02099ca>] vfs_fstatat+0x3a/0x70
[999002.032358] [<c0209a60>] vfs_lstat+0x20/0x30
[999002.032362] [<c0209a89>] sys_lstat64+0x19/0x30
[999002.032367] [<c05a7f2b>] ? do_page_fault+0x19b/0x380
[999002.032374] [<c0237492>] ? sys_inotify_add_watch+0xc2/0x100
[999002.032379] [<c010344c>] syscall_call+0x7/0xb
[999122.032597] INFO: task gvfsd-trash:2063 blocked for more than 120 seconds.
[999122.032603] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[999122.032608] gvfsd-trash D 0001ae75 0 2063 1 0x00000000
[999122.032616] d59f7da0 00000086 00000000 0001ae75 00000000 c087c6c0 d5825c5c c087c6c0
[999122.032632] 7a06b2df 00038c42 c087c6c0 c087c6c0 d5825c5c c087c6c0 c087c6c0 dd11a200
[999122.032640] 7a04da23 00038c42 d58259b0 cb0f4078 cb0f407c ffffffff d59f7dcc c05a48a6
[999122.032649] Call Trace:
[999122.032662] [<c05a48a6>] __mutex_lock_slowpath+0xc6/0x130
[999122.032667] [<c05a47c5>] mutex_lock+0x25/0x40
[999122.032673] [<c020e1fe>] real_lookup+0x2e/0x110
[999122.032677] [<c020fc05>] do_lookup+0x95/0xc0
[999122.032681] [<c021043d>] __link_path_walk+0x54d/0xb60
[999122.032686] [<c020f246>] ? path_to_nameidata+0x36/0x50
[999122.032691] [<c0210bf6>] path_walk+0x46/0xa0
[999122.032695] [<c0210d59>] do_path_lookup+0x59/0x90
[999122.032699] [<c02118a1>] user_path_at+0x41/0x80
[999122.032705] [<c01304cc>] ? kmap_atomic_prot+0x4c/0xf0
[999122.032710] [<c01e2f60>] ? __do_fault+0x3a0/0x4b0
[999122.032716] [<c02099ca>] vfs_fstatat+0x3a/0x70
[999122.032721] [<c0209a60>] vfs_lstat+0x20/0x30
[999122.032725] [<c0209a89>] sys_lstat64+0x19/0x30
[999122.032730] [<c05a7f2b>] ? do_page_fault+0x19b/0x380
[999122.032736] [<c0237492>] ? sys_inotify_add_watch+0xc2/0x100
[999122.032742] [<c010344c>] syscall_call+0x7/0xb
[999242.032601] INFO: task gvfsd-trash:2063 blocked for more than 120 seconds.
[999242.032609] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[999242.032614] gvfsd-trash D 0001ae75 0 2063 1 0x00000000
[999242.032622] d59f7da0 00000086 00000000 0001ae75 00000000 c087c6c0 d5825c5c c087c6c0
[999242.032635] 7a06b2df 00038c42 c087c6c0 c087c6c0 d5825c5c c087c6c0 c087c6c0 dd11a200
[999242.032645] 7a04da23 00038c42 d58259b0 cb0f4078 cb0f407c ffffffff d59f7dcc c05a48a6
[999242.032654] Call Trace:
[999242.032667] [<c05a48a6>] __mutex_lock_slowpath+0xc6/0x130
[999242.032672] [<c05a47c5>] mutex_lock+0x25/0x40
[999242.032678] [<c020e1fe>] real_lookup+0x2e/0x110
[999242.032682] [<c020fc05>] do_lookup+0x95/0xc0
[999242.032686] [<c021043d>] __link_path_walk+0x54d/0xb60
[999242.032691] [<c020f246>] ? path_to_nameidata+0x36/0x50
[999242.032695] [<c0210bf6>] path_walk+0x46/0xa0
[999242.032699] [<c0210d59>] do_path_lookup+0x59/0x90
[999242.032704] [<c02118a1>] user_path_at+0x41/0x80
[999242.032709] [<c01304cc>] ? kmap_atomic_prot+0x4c/0xf0
[999242.032715] [<c01e2f60>] ? __do_fault+0x3a0/0x4b0
[999242.032720] [<c02099ca>] vfs_fstatat+0x3a/0x70
[999242.032725] [<c0209a60>] vfs_lstat+0x20/0x30
[999242.032729] [<c0209a89>] sys_lstat64+0x19/0x30
[999242.032734] [<c05a7f2b>] ? do_page_fault+0x19b/0x380
[999242.032741] [<c0237492>] ? sys_inotify_add_watch+0xc2/0x100
[999242.032746] [<c010344c>] syscall_call+0x7/0xb
[999362.032591] INFO: task gvfsd-trash:2063 blocked for more than 120 seconds.
[999362.032597] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[999362.032601] gvfsd-trash D 0001ae75 0 2063 1 0x00000000
[999362.032609] d59f7da0 00000086 00000000 0001ae75 00000000 c087c6c0 d5825c5c c087c6c0
[999362.032621] 7a06b2df 00038c42 c087c6c0 c087c6c0 d5825c5c c087c6c0 c087c6c0 dd11a200
[999362.032635] 7a04da23 00038c42 d58259b0 cb0f4078 cb0f407c ffffffff d59f7dcc c05a48a6
[999362.032645] Call Trace:
[999362.032658] [<c05a48a6>] __mutex_lock_slowpath+0xc6/0x130
[999362.032663] [<c05a47c5>] mutex_lock+0x25/0x40
[999362.032668] [<c020e1fe>] real_lookup+0x2e/0x110
[999362.032673] [<c020fc05>] do_lookup+0x95/0xc0
[999362.032678] [<c021043d>] __link_path_walk+0x54d/0xb60
[999362.032683] [<c020f246>] ? path_to_nameidata+0x36/0x50
[999362.032687] [<c0210bf6>] path_walk+0x46/0xa0
[999362.032691] [<c0210d59>] do_path_lookup+0x59/0x90
[999362.032696] [<c02118a1>] user_path_at+0x41/0x80
[999362.032702] [<c01304cc>] ? kmap_atomic_prot+0x4c/0xf0
[999362.032708] [<c01e2f60>] ? __do_fault+0x3a0/0x4b0
[999362.032714] [<c02099ca>] vfs_fstatat+0x3a/0x70
[999362.032718] [<c0209a60>] vfs_lstat+0x20/0x30
[999362.032722] [<c0209a89>] sys_lstat64+0x19/0x30
[999362.032728] [<c05a7f2b>] ? do_page_fault+0x19b/0x380
[999362.032735] [<c0237492>] ? sys_inotify_add_watch+0xc2/0x100
[999362.032740] [<c010344c>] syscall_call+0x7/0xb
[999482.032233] INFO: task gvfsd-trash:2063 blocked for more than 120 seconds.
[999482.032240] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[999482.032246] gvfsd-trash D 0001ae75 0 2063 1 0x00000000
[999482.032255] d59f7da0 00000086 00000000 0001ae75 00000000 c087c6c0 d5825c5c c087c6c0
[999482.032269] 7a06b2df 00038c42 c087c6c0 c087c6c0 d5825c5c c087c6c0 c087c6c0 dd11a200
[999482.032282] 7a04da23 00038c42 d58259b0 cb0f4078 cb0f407c ffffffff d59f7dcc c05a48a6
[999482.032294] Call Trace:
[999482.032311] [<c05a48a6>] __mutex_lock_slowpath+0xc6/0x130
[999482.032317] [<c05a47c5>] mutex_lock+0x25/0x40
[999482.032325] [<c020e1fe>] real_lookup+0x2e/0x110
[999482.032332] [<c020fc05>] do_lookup+0x95/0xc0
[999482.032338] [<c021043d>] __link_path_walk+0x54d/0xb60
[999482.032345] [<c020f246>] ? path_to_nameidata+0x36/0x50
[999482.032351] [<c0210bf6>] path_walk+0x46/0xa0
[999482.032357] [<c0210d59>] do_path_lookup+0x59/0x90
[999482.032364] [<c02118a1>] user_path_at+0x41/0x80
[999482.032373] [<c01304cc>] ? kmap_atomic_prot+0x4c/0xf0
[999482.032383] [<c01e2f60>] ? __do_fault+0x3a0/0x4b0
[999482.032391] [<c02099ca>] vfs_fstatat+0x3a/0x70
[999482.032397] [<c0209a60>] vfs_lstat+0x20/0x30
[999482.032402] [<c0209a89>] sys_lstat64+0x19/0x30
[999482.032410] [<c05a7f2b>] ? do_page_fault+0x19b/0x380
[999482.032418] [<c0237492>] ? sys_inotify_add_watch+0xc2/0x100
[999482.032426] [<c010344c>] syscall_call+0x7/0xb
[999602.032611] INFO: task gvfsd-trash:2063 blocked for more than 120 seconds.
[999602.032619] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[999602.032624] gvfsd-trash D 0001ae75 0 2063 1 0x00000000
[999602.032633] d59f7da0 00000086 00000000 0001ae75 00000000 c087c6c0 d5825c5c c087c6c0
[999602.032648] 7a06b2df 00038c42 c087c6c0 c087c6c0 d5825c5c c087c6c0 c087c6c0 dd11a200
[999602.032659] 7a04da23 00038c42 d58259b0 cb0f4078 cb0f407c ffffffff d59f7dcc c05a48a6
[999602.032672] Call Trace:
[999602.032686] [<c05a48a6>] __mutex_lock_slowpath+0xc6/0x130
[999602.032691] [<c05a47c5>] mutex_lock+0x25/0x40
[999602.032697] [<c020e1fe>] real_lookup+0x2e/0x110
[999602.032701] [<c020fc05>] do_lookup+0x95/0xc0
[999602.032705] [<c021043d>] __link_path_walk+0x54d/0xb60
[999602.032710] [<c020f246>] ? path_to_nameidata+0x36/0x50
[999602.032714] [<c0210bf6>] path_walk+0x46/0xa0
[999602.032718] [<c0210d59>] do_path_lookup+0x59/0x90
[999602.032722] [<c02118a1>] user_path_at+0x41/0x80
[999602.032728] [<c01304cc>] ? kmap_atomic_prot+0x4c/0xf0
[999602.032736] [<c01e2f60>] ? __do_fault+0x3a0/0x4b0
[999602.032744] [<c02099ca>] vfs_fstatat+0x3a/0x70
[999602.032752] [<c0209a60>] vfs_lstat+0x20/0x30
[999602.032756] [<c0209a89>] sys_lstat64+0x19/0x30
[999602.032762] [<c05a7f2b>] ? do_page_fault+0x19b/0x380
[999602.032768] [<c0237492>] ? sys_inotify_add_watch+0xc2/0x100
[999602.032774] [<c010344c>] syscall_call+0x7/0xb
[999722.032579] INFO: task gvfsd-trash:2063 blocked for more than 120 seconds.
[999722.032585] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[999722.032589] gvfsd-trash D 0001ae75 0 2063 1 0x00000000
[999722.032598] d59f7da0 00000086 00000000 0001ae75 00000000 c087c6c0 d5825c5c c087c6c0
[999722.032610] 7a06b2df 00038c42 c087c6c0 c087c6c0 d5825c5c c087c6c0 c087c6c0 dd11a200
[999722.032624] 7a04da23 00038c42 d58259b0 cb0f4078 cb0f407c ffffffff d59f7dcc c05a48a6
[999722.032633] Call Trace:
[999722.032646] [<c05a48a6>] __mutex_lock_slowpath+0xc6/0x130
[999722.032652] [<c05a47c5>] mutex_lock+0x25/0x40
[999722.032658] [<c020e1fe>] real_lookup+0x2e/0x110
[999722.032662] [<c020fc05>] do_lookup+0x95/0xc0
[999722.032666] [<c021043d>] __link_path_walk+0x54d/0xb60
[999722.032672] [<c020f246>] ? path_to_nameidata+0x36/0x50
[999722.032679] [<c0210bf6>] path_walk+0x46/0xa0
[999722.032686] [<c0210d59>] do_path_lookup+0x59/0x90
[999722.032694] [<c02118a1>] user_path_at+0x41/0x80
[999722.032701] [<c01304cc>] ? kmap_atomic_prot+0x4c/0xf0
[999722.032710] [<c01e2f60>] ? __do_fault+0x3a0/0x4b0
[999722.032717] [<c02099ca>] vfs_fstatat+0x3a/0x70
[999722.032723] [<c0209a60>] vfs_lstat+0x20/0x30
[999722.032728] [<c0209a89>] sys_lstat64+0x19/0x30
[999722.032734] [<c05a7f2b>] ? do_page_fault+0x19b/0x380
[999722.032742] [<c0237492>] ? sys_inotify_add_watch+0xc2/0x100
[999722.032754] [<c010344c>] syscall_call+0x7/0xb
[999842.032611] INFO: task gvfsd-trash:2063 blocked for more than 120 seconds.
[999842.032624] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[999842.032629] gvfsd-trash D 0001ae75 0 2063 1 0x00000000
[999842.032638] d59f7da0 00000086 00000000 0001ae75 00000000 c087c6c0 d5825c5c c087c6c0
[999842.032651] 7a06b2df 00038c42 c087c6c0 c087c6c0 d5825c5c c087c6c0 c087c6c0 dd11a200
[999842.032667] 7a04da23 00038c42 d58259b0 cb0f4078 cb0f407c ffffffff d59f7dcc c05a48a6
[999842.032678] Call Trace:
[999842.032693] [<c05a48a6>] __mutex_lock_slowpath+0xc6/0x130
[999842.032700] [<c05a47c5>] mutex_lock+0x25/0x40
[999842.032706] [<c020e1fe>] real_lookup+0x2e/0x110
[999842.032712] [<c020fc05>] do_lookup+0x95/0xc0
[999842.032718] [<c021043d>] __link_path_walk+0x54d/0xb60
[999842.032725] [<c020f246>] ? path_to_nameidata+0x36/0x50
[999842.032729] [<c0210bf6>] path_walk+0x46/0xa0
[999842.032733] [<c0210d59>] do_path_lookup+0x59/0x90
[999842.032737] [<c02118a1>] user_path_at+0x41/0x80
[999842.032743] [<c01304cc>] ? kmap_atomic_prot+0x4c/0xf0
[999842.032749] [<c01e2f60>] ? __do_fault+0x3a0/0x4b0
[999842.032754] [<c02099ca>] vfs_fstatat+0x3a/0x70
[999842.032758] [<c0209a60>] vfs_lstat+0x20/0x30
[999842.032762] [<c0209a89>] sys_lstat64+0x19/0x30
[999842.032768] [<c05a7f2b>] ? do_page_fault+0x19b/0x380
[999842.032774] [<c0237492>] ? sys_inotify_add_watch+0xc2/0x100
[999842.032779] [<c010344c>] syscall_call+0x7/0xb
[999962.032595] INFO: task gvfsd-trash:2063 blocked for more than 120 seconds.
[999962.032601] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[999962.032606] gvfsd-trash D 0001ae75 0 2063 1 0x00000000
[999962.032614] d59f7da0 00000086 00000000 0001ae75 00000000 c087c6c0 d5825c5c c087c6c0
[999962.032630] 7a06b2df 00038c42 c087c6c0 c087c6c0 d5825c5c c087c6c0 c087c6c0 dd11a200
[999962.032639] 7a04da23 00038c42 d58259b0 cb0f4078 cb0f407c ffffffff d59f7dcc c05a48a6
[999962.032648] Call Trace:
[999962.032661] [<c05a48a6>] __mutex_lock_slowpath+0xc6/0x130
[999962.032665] [<c05a47c5>] mutex_lock+0x25/0x40
[999962.032671] [<c020e1fe>] real_lookup+0x2e/0x110
[999962.032676] [<c020fc05>] do_lookup+0x95/0xc0
[999962.032680] [<c021043d>] __link_path_walk+0x54d/0xb60
[999962.032684] [<c020f246>] ? path_to_nameidata+0x36/0x50
[999962.032689] [<c0210bf6>] path_walk+0x46/0xa0
[999962.032693] [<c0210d59>] do_path_lookup+0x59/0x90
[999962.032697] [<c02118a1>] user_path_at+0x41/0x80
[999962.032702] [<c01304cc>] ? kmap_atomic_prot+0x4c/0xf0
[999962.032708] [<c01e2f60>] ? __do_fault+0x3a0/0x4b0
[999962.032713] [<c02099ca>] vfs_fstatat+0x3a/0x70
[999962.032718] [<c0209a60>] vfs_lstat+0x20/0x30
[999962.032722] [<c0209a89>] sys_lstat64+0x19/0x30
[999962.032727] [<c05a7f2b>] ? do_page_fault+0x19b/0x380
[999962.032733] [<c0237492>] ? sys_inotify_add_watch+0xc2/0x100
[999962.032739] [<c010344c>] syscall_call+0x7/0xb
--
Heavy Disk I/O harms desktop responsiveness
https://bugs.launchpad.net/bugs/131094
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