On Fri, Jan 23, 2015 at 03:01:28PM +0100, Martin Steigerwald wrote: > Hi! > > Anyone seen this? > > Reported as: > > https://bugzilla.kernel.org/show_bug.cgi?id=91911 I have seen something like this since 3.15. I've also seen its cousin, which gets stuck in evict_inode, but the stacks of the hanging processes start from renameat2() instead of unlinkat(). I haven't seen the renameat2() variant of this bug since 3.18-rc6. > I just want to get rid of some 127000+ akonadi lost+found files, any delete > command I start just gets rid of some thousands and then hangs. > > merkaba:~> btrfs fi df /home > Data, RAID1: total=160.92GiB, used=111.09GiB > System, RAID1: total=32.00MiB, used=48.00KiB > Metadata, RAID1: total=5.99GiB, used=2.49GiB > GlobalReserve, single: total=512.00MiB, used=0.00B > merkaba:~> btrfs fi sh /home > Label: 'home' uuid: […] > Total devices 2 FS bytes used 113.58GiB > devid 1 size 170.00GiB used 166.94GiB path /dev/mapper/msata- > home > devid 2 size 170.00GiB used 166.94GiB path /dev/mapper/sata- > home > > Btrfs v3.18 > > > merkaba:/home/ms/.local/share/akonadi#1> find file_lost+found | wc -l > 110070 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found -delete & > [4] 2660 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 101645 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found -delete & > [5] 2663 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found -delete & > [6] 2664 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 91369 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 89844 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 88042 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found -delete & > [7] 2671 > merkaba:/home/ms/.local/share/akonadi> uname -a > Linux merkaba 3.19.0-rc5-tp520-trim-all-bgroups+ #18 SMP PREEMPT Mon Jan > 19 09:58:33 CET 2015 x86_64 GNU/Linux > merkaba:/home/ms/.local/share/akonadi> find file_lost+found -delete & > [8] 2694 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found -delete & > [9] 2700 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 67278 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 65244 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 63713 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 62725 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 62213 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 61213 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found -delete & > [10] 2715 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 60470 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found -delete & > [11] 2718 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 53303 > > > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 51396 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 51396 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 51396 > > > merkaba:/home/ms/.local/share/akonadi> ps aux | grep find > ms 2647 0.4 0.2 43096 36204 pts/3 D+ 14:45 0:00 find > file_lost+found -delete > root 2651 0.3 0.2 42568 35688 pts/0 DN 14:45 0:00 find > file_lost+found -delete > root 2654 2.7 0.2 44544 35652 pts/0 DN 14:46 0:05 find > file_lost+found -delete > root 2657 0.3 0.2 44016 35048 pts/0 DN 14:46 0:00 find > file_lost+found -delete > root 2660 2.1 0.1 39136 32280 pts/0 DN 14:46 0:03 find > file_lost+found -delete > root 2663 0.2 0.1 36760 29988 pts/0 DN 14:46 0:00 find > file_lost+found -delete > root 2664 3.3 0.1 36760 29888 pts/0 DN 14:46 0:05 find > file_lost+found -delete > root 2671 0.9 0.1 33856 26984 pts/0 DN 14:46 0:01 find > file_lost+found -delete > root 2694 1.1 0.1 32404 25380 pts/0 DN 14:47 0:01 find > file_lost+found -delete > root 2700 4.0 0.1 30952 24064 pts/0 DN 14:47 0:04 find > file_lost+found -delete > root 2715 0.3 0.1 26200 19332 pts/0 DN 14:47 0:00 find > file_lost+found -delete > root 2718 4.1 0.1 26068 19068 pts/0 DN 14:47 0:02 find > file_lost+found -delete > root 2840 0.0 0.0 12672 1592 pts/0 S+ 14:49 0:00 grep find > merkaba:/home/ms/.local/share/akonadi> ps aux | grep rm > root 113 0.0 0.0 0 0 ? S< 14:41 0:00 > [acpi_thermal_pm] > root 290 0.0 0.0 0 0 ? S< 14:41 0:00 [btrfs- > rmw] > root 803 0.0 0.0 0 0 ? S< 14:41 0:00 [btrfs- > rmw] > root 835 0.0 0.0 0 0 ? S< 14:41 0:00 [btrfs- > rmw] > dirmngr 1565 0.0 0.0 17880 2192 ? Ss 14:41 0:00 > /usr/bin/dirmngr --daemon --sh > ms 2615 0.4 0.2 36276 32432 pts/1 D+ 14:43 0:01 rm -r > file_lost+found > root 2842 0.0 0.0 12676 1544 pts/0 S+ 14:49 0:00 grep rm > > > Until it eventually completes: > > merkaba:/home/ms/.local/share/akonadi> find file_lost+found -delete & > [20] 2858 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 8998 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > 240 > merkaba:/home/ms/.local/share/akonadi> > [20] + done find file_lost+found -delete > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l > find: "file_lost+found": Datei oder Verzeichnis nicht gefunden > 0 > > > I see these in dmesg: > > [ 240.145442] INFO: task rm:2615 blocked for more than 120 seconds. > [ 240.145456] Tainted: G O 3.19.0-rc5-tp520-trim-all- > bgroups+ #18 > [ 240.145461] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this message. > [ 240.145466] rm D ffff88034c3fbc68 0 2615 2589 > 0x00000000 > [ 240.145480] ffff88034c3fbc68 0000000000000002 ffff88040bdf6180 > ffff88034c3fbfd8 > [ 240.145490] ffff88035ad9b0c0 0000000000012d00 ffff88035ad9b0c0 > ffff88034c3fbc78 > [ 240.145499] 0000000000000000 ffff8803787de080 ffff8803790547fc > ffff88034c3fbcd8 > [ 240.145508] Call Trace: > [ 240.145527] [<ffffffff814b7d16>] schedule+0x64/0x66 > [ 240.145622] [<ffffffffc05361c4>] lock_extent_bits+0x103/0x18b [btrfs] > [ 240.145633] [<ffffffff8106ecb5>] ? finish_wait+0x5f/0x5f > [ 240.145693] [<ffffffffc0527f5e>] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 240.145711] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 240.145719] [<ffffffff811521c6>] iput+0x128/0x131 > [ 240.145743] [<ffffffffc05c0577>] ecryptfs_evict_inode+0x29/0x2d [ecryptfs] > [ 240.145760] [<ffffffffc05c054e>] ? ecryptfs_show_options+0x11e/0x11e > [ecryptfs] > [ 240.145768] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 240.145776] [<ffffffff811521c6>] iput+0x128/0x131 > [ 240.145786] [<ffffffff811497bf>] do_unlinkat+0x151/0x1f0 > [ 240.145795] [<ffffffff8100cf94>] ? user_exit+0x13/0x15 > [ 240.145803] [<ffffffff8100e24e>] ? syscall_trace_enter_phase1+0x57/0x12a > [ 240.145811] [<ffffffff8100e565>] ? syscall_trace_leave+0xcb/0x108 > [ 240.145820] [<ffffffff8114a313>] SyS_unlinkat+0x24/0x26 > [ 240.145828] [<ffffffff814bac92>] system_call_fastpath+0x12/0x17 > [ 300.753192] mce: [Hardware Error]: Machine check events logged > [ 360.164930] INFO: task rm:2615 blocked for more than 120 seconds. > [ 360.164935] Tainted: G O 3.19.0-rc5-tp520-trim-all- > bgroups+ #18 > [ 360.164936] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this message. > [ 360.164937] rm D ffff88034c3fbc68 0 2615 2589 > 0x00000000 > [ 360.164941] ffff88034c3fbc68 0000000000000002 ffff88040bdf6180 > ffff88034c3fbfd8 > [ 360.164944] ffff88035ad9b0c0 0000000000012d00 ffff88035ad9b0c0 > ffff88034c3fbc78 > [ 360.164946] 0000000000000000 ffff8803787de080 ffff8803790547fc > ffff88034c3fbcd8 > [ 360.164949] Call Trace: > [ 360.164956] [<ffffffff814b7d16>] schedule+0x64/0x66 > [ 360.164992] [<ffffffffc05361c4>] lock_extent_bits+0x103/0x18b [btrfs] > [ 360.164995] [<ffffffff8106ecb5>] ? finish_wait+0x5f/0x5f > [ 360.165011] [<ffffffffc0527f5e>] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 360.165016] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 360.165019] [<ffffffff811521c6>] iput+0x128/0x131 > [ 360.165026] [<ffffffffc05c0577>] ecryptfs_evict_inode+0x29/0x2d [ecryptfs] > [ 360.165030] [<ffffffffc05c054e>] ? ecryptfs_show_options+0x11e/0x11e > [ecryptfs] > [ 360.165032] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 360.165034] [<ffffffff811521c6>] iput+0x128/0x131 > [ 360.165037] [<ffffffff811497bf>] do_unlinkat+0x151/0x1f0 > [ 360.165041] [<ffffffff8100cf94>] ? user_exit+0x13/0x15 > [ 360.165043] [<ffffffff8100e24e>] ? syscall_trace_enter_phase1+0x57/0x12a > [ 360.165045] [<ffffffff8100e565>] ? syscall_trace_leave+0xcb/0x108 > [ 360.165048] [<ffffffff8114a313>] SyS_unlinkat+0x24/0x26 > [ 360.165051] [<ffffffff814bac92>] system_call_fastpath+0x12/0x17 > [ 360.165053] INFO: task find:2647 blocked for more than 120 seconds. > [ 360.165055] Tainted: G O 3.19.0-rc5-tp520-trim-all- > bgroups+ #18 > [ 360.165056] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this message. > [ 360.165057] find D ffff8803bea5fcb8 0 2647 2631 > 0x00000000 > [ 360.165059] ffff8803bea5fcb8 0000000000000002 ffff880409ab0000 > ffff8803bea5ffd8 > [ 360.165061] ffff88035ad99860 0000000000012d00 ffff88035ad99860 > ffff8803bea5fcc8 > [ 360.165064] 0000000000000000 ffff880347279f48 ffff8800a108573c > ffff8803bea5fd28 > [ 360.165066] Call Trace: > [ 360.165069] [<ffffffff814b7d16>] schedule+0x64/0x66 > [ 360.165085] [<ffffffffc05361c4>] lock_extent_bits+0x103/0x18b [btrfs] > [ 360.165087] [<ffffffff8106ecb5>] ? finish_wait+0x5f/0x5f > [ 360.165101] [<ffffffffc0527f5e>] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 360.165105] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 360.165107] [<ffffffff811521c6>] iput+0x128/0x131 > [ 360.165110] [<ffffffff8114e6aa>] __dentry_kill+0x113/0x17d > [ 360.165112] [<ffffffff8114e84a>] dput+0x136/0x15e > [ 360.165115] [<ffffffff8113e635>] __fput+0x16a/0x181 > [ 360.165117] [<ffffffff8113e67a>] ____fput+0x9/0xb > [ 360.165120] [<ffffffff810569e5>] task_work_run+0x85/0x9c > [ 360.165122] [<ffffffff810028d7>] do_notify_resume+0x5b/0x82 > [ 360.165124] [<ffffffff814baeff>] int_signal+0x12/0x17 > [ 480.184844] INFO: task rm:2615 blocked for more than 120 seconds. > [ 480.184859] Tainted: G O 3.19.0-rc5-tp520-trim-all- > bgroups+ #18 > [ 480.184863] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this message. > [ 480.184868] rm D ffff88034c3fbc68 0 2615 2589 > 0x00000000 > [ 480.184881] ffff88034c3fbc68 0000000000000002 ffff88040bdf6180 > ffff88034c3fbfd8 > [ 480.184891] ffff88035ad9b0c0 0000000000012d00 ffff88035ad9b0c0 > ffff88034c3fbc78 > [ 480.184900] 0000000000000000 ffff8803787de080 ffff8803790547fc > ffff88034c3fbcd8 > [ 480.184910] Call Trace: > [ 480.184929] [<ffffffff814b7d16>] schedule+0x64/0x66 > [ 480.185024] [<ffffffffc05361c4>] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.185034] [<ffffffff8106ecb5>] ? finish_wait+0x5f/0x5f > [ 480.185096] [<ffffffffc0527f5e>] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.185112] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 480.185121] [<ffffffff811521c6>] iput+0x128/0x131 > [ 480.185145] [<ffffffffc05c0577>] ecryptfs_evict_inode+0x29/0x2d [ecryptfs] > [ 480.185161] [<ffffffffc05c054e>] ? ecryptfs_show_options+0x11e/0x11e > [ecryptfs] > [ 480.185169] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 480.185177] [<ffffffff811521c6>] iput+0x128/0x131 > [ 480.185186] [<ffffffff811497bf>] do_unlinkat+0x151/0x1f0 > [ 480.185195] [<ffffffff8100cf94>] ? user_exit+0x13/0x15 > [ 480.185203] [<ffffffff8100e24e>] ? syscall_trace_enter_phase1+0x57/0x12a > [ 480.185211] [<ffffffff8100e565>] ? syscall_trace_leave+0xcb/0x108 > [ 480.185220] [<ffffffff8114a313>] SyS_unlinkat+0x24/0x26 > [ 480.185228] [<ffffffff814bac92>] system_call_fastpath+0x12/0x17 > [ 480.185236] INFO: task find:2647 blocked for more than 120 seconds. > [ 480.185241] Tainted: G O 3.19.0-rc5-tp520-trim-all- > bgroups+ #18 > [ 480.185245] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this message. > [ 480.185249] find D ffff8803bea5fcb8 0 2647 2631 > 0x00000000 > [ 480.185284] ffff8803bea5fcb8 0000000000000002 ffff880409ab0000 > ffff8803bea5ffd8 > [ 480.185293] ffff88035ad99860 0000000000012d00 ffff88035ad99860 > ffff8803bea5fcc8 > [ 480.185302] 0000000000000000 ffff880347279f48 ffff8800a108573c > ffff8803bea5fd28 > [ 480.185311] Call Trace: > [ 480.185321] [<ffffffff814b7d16>] schedule+0x64/0x66 > [ 480.185382] [<ffffffffc05361c4>] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.185390] [<ffffffff8106ecb5>] ? finish_wait+0x5f/0x5f > [ 480.185444] [<ffffffffc0527f5e>] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.185458] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 480.185467] [<ffffffff811521c6>] iput+0x128/0x131 > [ 480.185474] [<ffffffff8114e6aa>] __dentry_kill+0x113/0x17d > [ 480.185481] [<ffffffff8114e84a>] dput+0x136/0x15e > [ 480.185491] [<ffffffff8113e635>] __fput+0x16a/0x181 > [ 480.185499] [<ffffffff8113e67a>] ____fput+0x9/0xb > [ 480.185506] [<ffffffff810569e5>] task_work_run+0x85/0x9c > [ 480.185514] [<ffffffff810028d7>] do_notify_resume+0x5b/0x82 > [ 480.185521] [<ffffffff814baeff>] int_signal+0x12/0x17 > [ 480.185528] INFO: task find:2651 blocked for more than 120 seconds. > [ 480.185533] Tainted: G O 3.19.0-rc5-tp520-trim-all- > bgroups+ #18 > [ 480.185537] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this message. > [ 480.185540] find D ffff880099213cb8 0 2651 2562 > 0x00000000 > [ 480.185548] ffff880099213cb8 0000000000000002 ffffffff81a16500 > ffff880099213fd8 > [ 480.185557] ffff88035ad98000 0000000000012d00 ffff88035ad98000 > ffff880099213cc8 > [ 480.185565] 0000000000001000 ffff880347594340 ffff8803516131ec > ffff880099213d28 > [ 480.185574] Call Trace: > [ 480.185583] [<ffffffff814b7d16>] schedule+0x64/0x66 > [ 480.185640] [<ffffffffc05361c4>] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.185689] [<ffffffff8106ecb5>] ? finish_wait+0x5f/0x5f > [ 480.185758] [<ffffffffc0527f5e>] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.185797] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 480.185821] [<ffffffff811521c6>] iput+0x128/0x131 > [ 480.185844] [<ffffffff8114e6aa>] __dentry_kill+0x113/0x17d > [ 480.185867] [<ffffffff8114e84a>] dput+0x136/0x15e > [ 480.185890] [<ffffffff8113e635>] __fput+0x16a/0x181 > [ 480.185913] [<ffffffff8113e67a>] ____fput+0x9/0xb > [ 480.185930] [<ffffffff810569e5>] task_work_run+0x85/0x9c > [ 480.185938] [<ffffffff810028d7>] do_notify_resume+0x5b/0x82 > [ 480.185947] [<ffffffff814baeff>] int_signal+0x12/0x17 > [ 480.185956] INFO: task find:2654 blocked for more than 120 seconds. > [ 480.185965] Tainted: G O 3.19.0-rc5-tp520-trim-all- > bgroups+ #18 > [ 480.185971] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this message. > [ 480.185976] find D ffff880330453cb8 0 2654 2562 > 0x00000000 > [ 480.185987] ffff880330453cb8 0000000000000002 ffff88040ba96180 > ffff880330453fd8 > [ 480.185999] ffff88035d029860 0000000000012d00 ffff88035d029860 > ffff880330453cc8 > [ 480.186010] 0000000000002000 ffff8803472f4028 ffff8800a10871ec > ffff880330453d28 > [ 480.186022] Call Trace: > [ 480.186034] [<ffffffff814b7d16>] schedule+0x64/0x66 > [ 480.186093] [<ffffffffc05361c4>] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.186104] [<ffffffff8106ecb5>] ? finish_wait+0x5f/0x5f > [ 480.186164] [<ffffffffc0527f5e>] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.186191] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 480.186221] [<ffffffff811521c6>] iput+0x128/0x131 > [ 480.186243] [<ffffffff8114e6aa>] __dentry_kill+0x113/0x17d > [ 480.186252] [<ffffffff8114e84a>] dput+0x136/0x15e > [ 480.186262] [<ffffffff8113e635>] __fput+0x16a/0x181 > [ 480.186272] [<ffffffff8113e67a>] ____fput+0x9/0xb > [ 480.186281] [<ffffffff810569e5>] task_work_run+0x85/0x9c > [ 480.186290] [<ffffffff810028d7>] do_notify_resume+0x5b/0x82 > [ 480.186316] [<ffffffff814baeff>] int_signal+0x12/0x17 > [ 480.186325] INFO: task find:2657 blocked for more than 120 seconds. > [ 480.186332] Tainted: G O 3.19.0-rc5-tp520-trim-all- > bgroups+ #18 > [ 480.186348] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this message. > [ 480.186353] find D ffff880327f23cb8 0 2657 2562 > 0x00000000 > [ 480.186370] ffff880327f23cb8 0000000000000002 ffff88040b811860 > ffff880327f23fd8 > [ 480.186381] ffff88035d3f9860 0000000000012d00 ffff88035d3f9860 > ffff880327f23cc8 > [ 480.186393] 0000000000001000 ffff880353fb3e98 ffff88037664042c > ffff880327f23d28 > [ 480.186404] Call Trace: > [ 480.186416] [<ffffffff814b7d16>] schedule+0x64/0x66 > [ 480.186472] [<ffffffffc05361c4>] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.186483] [<ffffffff8106ecb5>] ? finish_wait+0x5f/0x5f > [ 480.186543] [<ffffffffc0527f5e>] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.186560] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 480.186570] [<ffffffff811521c6>] iput+0x128/0x131 > [ 480.186579] [<ffffffff8114e6aa>] __dentry_kill+0x113/0x17d > [ 480.186589] [<ffffffff8114e84a>] dput+0x136/0x15e > [ 480.186601] [<ffffffff8113e635>] __fput+0x16a/0x181 > [ 480.186633] [<ffffffff8113e67a>] ____fput+0x9/0xb > [ 480.186676] [<ffffffff810569e5>] task_work_run+0x85/0x9c > [ 480.186705] [<ffffffff810028d7>] do_notify_resume+0x5b/0x82 > [ 480.186716] [<ffffffff814baeff>] int_signal+0x12/0x17 > [ 480.186727] INFO: task find:2660 blocked for more than 120 seconds. > [ 480.186734] Tainted: G O 3.19.0-rc5-tp520-trim-all- > bgroups+ #18 > [ 480.186740] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this message. > [ 480.186745] find D ffff88031f127cb8 0 2660 2562 > 0x00000000 > [ 480.186757] ffff88031f127cb8 0000000000000002 ffff88040bdd8000 > ffff88031f127fd8 > [ 480.186794] ffff88035d110000 0000000000012d00 ffff88035d110000 > ffff88031f127cc8 > [ 480.186806] 0000000000000000 ffff8803d31091e0 ffff8803792a8bcc > ffff88031f127d28 > [ 480.186820] Call Trace: > [ 480.186833] [<ffffffff814b7d16>] schedule+0x64/0x66 > [ 480.186900] [<ffffffffc05361c4>] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.186932] [<ffffffff8106ecb5>] ? finish_wait+0x5f/0x5f > [ 480.186997] [<ffffffffc0527f5e>] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.187022] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 480.187038] [<ffffffff811521c6>] iput+0x128/0x131 > [ 480.187055] [<ffffffff8114e6aa>] __dentry_kill+0x113/0x17d > [ 480.187070] [<ffffffff8114e84a>] dput+0x136/0x15e > [ 480.187085] [<ffffffff8113e635>] __fput+0x16a/0x181 > [ 480.187099] [<ffffffff8113e67a>] ____fput+0x9/0xb > [ 480.187112] [<ffffffff810569e5>] task_work_run+0x85/0x9c > [ 480.187126] [<ffffffff810028d7>] do_notify_resume+0x5b/0x82 > [ 480.187139] [<ffffffff814baeff>] int_signal+0x12/0x17 > [ 480.187154] INFO: task find:2663 blocked for more than 120 seconds. > [ 480.187167] Tainted: G O 3.19.0-rc5-tp520-trim-all- > bgroups+ #18 > [ 480.187173] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this message. > [ 480.187186] find D ffff88031ba9fcb8 0 2663 2562 > 0x00000000 > [ 480.187202] ffff88031ba9fcb8 0000000000000002 ffff88040b810000 > ffff88031ba9ffd8 > [ 480.187215] ffff88035d3f8000 0000000000012d00 ffff88035d3f8000 > ffff88031ba9fcc8 > [ 480.187227] 0000000000001000 ffff8803468b75a8 ffff8800a2df22ac > ffff88031ba9fd28 > [ 480.187240] Call Trace: > [ 480.187264] [<ffffffff814b7d16>] schedule+0x64/0x66 > [ 480.187332] [<ffffffffc05361c4>] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.187345] [<ffffffff8106ecb5>] ? finish_wait+0x5f/0x5f > [ 480.187419] [<ffffffffc0527f5e>] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.187453] [<ffffffff81151aec>] evict+0xa8/0x150 > [ 480.187465] [<ffffffff811521c6>] iput+0x128/0x131 > [ 480.187477] [<ffffffff8114e6aa>] __dentry_kill+0x113/0x17d > [ 480.187491] [<ffffffff8114e84a>] dput+0x136/0x15e > [ 480.187505] [<ffffffff8113e635>] __fput+0x16a/0x181 > [ 480.187518] [<ffffffff8113e67a>] ____fput+0x9/0xb > [ 480.187529] [<ffffffff810569e5>] task_work_run+0x85/0x9c > [ 480.187540] [<ffffffff810028d7>] do_notify_resume+0x5b/0x82 > [ 480.187551] [<ffffffff814baeff>] int_signal+0x12/0x17 > > > I attach an sysrq-t thing. > > Ciao, > -- > Martin 'Helios' Steigerwald - http://www.Lichtvoll.de > GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7 > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html
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