From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from james.kirk.hungrycats.org ([174.142.39.145]:46810 "EHLO james.kirk.hungrycats.org" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1751227AbbAWX3r (ORCPT ); Fri, 23 Jan 2015 18:29:47 -0500 Date: Fri, 23 Jan 2015 18:29:40 -0500 From: Zygo Blaxell To: Martin Steigerwald Cc: linux-btrfs@vger.kernel.org Subject: Re: 3.19-rc5: Bug 91911: [REGRESSION] rm command hangs big time with deleting a lot of files at once Message-ID: <20150123232934.GA14858@hungrycats.org> References: <2506104.3YBgc9qdaM@merkaba> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="oyUTqETQ0mS9luUI" In-Reply-To: <2506104.3YBgc9qdaM@merkaba> Sender: linux-btrfs-owner@vger.kernel.org List-ID: --oyUTqETQ0mS9luUI Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jan 23, 2015 at 03:01:28PM +0100, Martin Steigerwald wrote: > Hi! >=20 > Anyone seen this? >=20 > Reported as: >=20 > https://bugzilla.kernel.org/show_bug.cgi?id=3D91911 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 dele= te=20 > command I start just gets rid of some thousands and then hangs. >=20 > merkaba:~> btrfs fi df /home > Data, RAID1: total=3D160.92GiB, used=3D111.09GiB > System, RAID1: total=3D32.00MiB, used=3D48.00KiB > Metadata, RAID1: total=3D5.99GiB, used=3D2.49GiB > GlobalReserve, single: total=3D512.00MiB, used=3D0.00B > merkaba:~> btrfs fi sh /home > Label: 'home' uuid: [=E2=80=A6] > 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 >=20 > Btrfs v3.18 >=20 >=20 > merkaba:/home/ms/.local/share/akonadi#1> find file_lost+found | wc -l =20 > 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 =20 > 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 =20 > 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= =20 > 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 =20 > 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 =20 > 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 =20 > 53303 >=20 >=20 > 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 >=20 >=20 > 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=20 > file_lost+found -delete > root 2651 0.3 0.2 42568 35688 pts/0 DN 14:45 0:00 find=20 > file_lost+found -delete > root 2654 2.7 0.2 44544 35652 pts/0 DN 14:46 0:05 find=20 > file_lost+found -delete > root 2657 0.3 0.2 44016 35048 pts/0 DN 14:46 0:00 find=20 > file_lost+found -delete > root 2660 2.1 0.1 39136 32280 pts/0 DN 14:46 0:03 find=20 > file_lost+found -delete > root 2663 0.2 0.1 36760 29988 pts/0 DN 14:46 0:00 find=20 > file_lost+found -delete > root 2664 3.3 0.1 36760 29888 pts/0 DN 14:46 0:05 find=20 > file_lost+found -delete > root 2671 0.9 0.1 33856 26984 pts/0 DN 14:46 0:01 find=20 > file_lost+found -delete > root 2694 1.1 0.1 32404 25380 pts/0 DN 14:47 0:01 find=20 > file_lost+found -delete > root 2700 4.0 0.1 30952 24064 pts/0 DN 14:47 0:04 find=20 > file_lost+found -delete > root 2715 0.3 0.1 26200 19332 pts/0 DN 14:47 0:00 find=20 > file_lost+found -delete > root 2718 4.1 0.1 26068 19068 pts/0 DN 14:47 0:02 find=20 > 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 =20 > root 113 0.0 0.0 0 0 ? S< 14:41 0:00=20 > [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=20 > /usr/bin/dirmngr --daemon --sh > ms 2615 0.4 0.2 36276 32432 pts/1 D+ 14:43 0:01 rm -r=20 > file_lost+found > root 2842 0.0 0.0 12676 1544 pts/0 S+ 14:49 0:00 grep rm >=20 >=20 > Until it eventually completes: >=20 > 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 =20 > 8998 > merkaba:/home/ms/.local/share/akonadi> find file_lost+found | wc -l =20 > 240 > merkaba:/home/ms/.local/share/akonadi>=20 > [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 >=20 >=20 > I see these in dmesg: >=20 > [ 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" disable= s=20 > this message. > [ 240.145466] rm D ffff88034c3fbc68 0 2615 2589=20 > 0x00000000 > [ 240.145480] ffff88034c3fbc68 0000000000000002 ffff88040bdf6180=20 > ffff88034c3fbfd8 > [ 240.145490] ffff88035ad9b0c0 0000000000012d00 ffff88035ad9b0c0=20 > ffff88034c3fbc78 > [ 240.145499] 0000000000000000 ffff8803787de080 ffff8803790547fc=20 > ffff88034c3fbcd8 > [ 240.145508] Call Trace: > [ 240.145527] [] schedule+0x64/0x66 > [ 240.145622] [] lock_extent_bits+0x103/0x18b [btrfs] > [ 240.145633] [] ? finish_wait+0x5f/0x5f > [ 240.145693] [] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 240.145711] [] evict+0xa8/0x150 > [ 240.145719] [] iput+0x128/0x131 > [ 240.145743] [] ecryptfs_evict_inode+0x29/0x2d [ecry= ptfs] > [ 240.145760] [] ? ecryptfs_show_options+0x11e/0x11e= =20 > [ecryptfs] > [ 240.145768] [] evict+0xa8/0x150 > [ 240.145776] [] iput+0x128/0x131 > [ 240.145786] [] do_unlinkat+0x151/0x1f0 > [ 240.145795] [] ? user_exit+0x13/0x15 > [ 240.145803] [] ? syscall_trace_enter_phase1+0x57/0x= 12a > [ 240.145811] [] ? syscall_trace_leave+0xcb/0x108 > [ 240.145820] [] SyS_unlinkat+0x24/0x26 > [ 240.145828] [] 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" disable= s=20 > this message. > [ 360.164937] rm D ffff88034c3fbc68 0 2615 2589=20 > 0x00000000 > [ 360.164941] ffff88034c3fbc68 0000000000000002 ffff88040bdf6180=20 > ffff88034c3fbfd8 > [ 360.164944] ffff88035ad9b0c0 0000000000012d00 ffff88035ad9b0c0=20 > ffff88034c3fbc78 > [ 360.164946] 0000000000000000 ffff8803787de080 ffff8803790547fc=20 > ffff88034c3fbcd8 > [ 360.164949] Call Trace: > [ 360.164956] [] schedule+0x64/0x66 > [ 360.164992] [] lock_extent_bits+0x103/0x18b [btrfs] > [ 360.164995] [] ? finish_wait+0x5f/0x5f > [ 360.165011] [] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 360.165016] [] evict+0xa8/0x150 > [ 360.165019] [] iput+0x128/0x131 > [ 360.165026] [] ecryptfs_evict_inode+0x29/0x2d [ecry= ptfs] > [ 360.165030] [] ? ecryptfs_show_options+0x11e/0x11e= =20 > [ecryptfs] > [ 360.165032] [] evict+0xa8/0x150 > [ 360.165034] [] iput+0x128/0x131 > [ 360.165037] [] do_unlinkat+0x151/0x1f0 > [ 360.165041] [] ? user_exit+0x13/0x15 > [ 360.165043] [] ? syscall_trace_enter_phase1+0x57/0x= 12a > [ 360.165045] [] ? syscall_trace_leave+0xcb/0x108 > [ 360.165048] [] SyS_unlinkat+0x24/0x26 > [ 360.165051] [] 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" disable= s=20 > this message. > [ 360.165057] find D ffff8803bea5fcb8 0 2647 2631=20 > 0x00000000 > [ 360.165059] ffff8803bea5fcb8 0000000000000002 ffff880409ab0000=20 > ffff8803bea5ffd8 > [ 360.165061] ffff88035ad99860 0000000000012d00 ffff88035ad99860=20 > ffff8803bea5fcc8 > [ 360.165064] 0000000000000000 ffff880347279f48 ffff8800a108573c=20 > ffff8803bea5fd28 > [ 360.165066] Call Trace: > [ 360.165069] [] schedule+0x64/0x66 > [ 360.165085] [] lock_extent_bits+0x103/0x18b [btrfs] > [ 360.165087] [] ? finish_wait+0x5f/0x5f > [ 360.165101] [] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 360.165105] [] evict+0xa8/0x150 > [ 360.165107] [] iput+0x128/0x131 > [ 360.165110] [] __dentry_kill+0x113/0x17d > [ 360.165112] [] dput+0x136/0x15e > [ 360.165115] [] __fput+0x16a/0x181 > [ 360.165117] [] ____fput+0x9/0xb > [ 360.165120] [] task_work_run+0x85/0x9c > [ 360.165122] [] do_notify_resume+0x5b/0x82 > [ 360.165124] [] 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" disable= s=20 > this message. > [ 480.184868] rm D ffff88034c3fbc68 0 2615 2589=20 > 0x00000000 > [ 480.184881] ffff88034c3fbc68 0000000000000002 ffff88040bdf6180=20 > ffff88034c3fbfd8 > [ 480.184891] ffff88035ad9b0c0 0000000000012d00 ffff88035ad9b0c0=20 > ffff88034c3fbc78 > [ 480.184900] 0000000000000000 ffff8803787de080 ffff8803790547fc=20 > ffff88034c3fbcd8 > [ 480.184910] Call Trace: > [ 480.184929] [] schedule+0x64/0x66 > [ 480.185024] [] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.185034] [] ? finish_wait+0x5f/0x5f > [ 480.185096] [] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.185112] [] evict+0xa8/0x150 > [ 480.185121] [] iput+0x128/0x131 > [ 480.185145] [] ecryptfs_evict_inode+0x29/0x2d [ecry= ptfs] > [ 480.185161] [] ? ecryptfs_show_options+0x11e/0x11e= =20 > [ecryptfs] > [ 480.185169] [] evict+0xa8/0x150 > [ 480.185177] [] iput+0x128/0x131 > [ 480.185186] [] do_unlinkat+0x151/0x1f0 > [ 480.185195] [] ? user_exit+0x13/0x15 > [ 480.185203] [] ? syscall_trace_enter_phase1+0x57/0x= 12a > [ 480.185211] [] ? syscall_trace_leave+0xcb/0x108 > [ 480.185220] [] SyS_unlinkat+0x24/0x26 > [ 480.185228] [] 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" disable= s=20 > this message. > [ 480.185249] find D ffff8803bea5fcb8 0 2647 2631=20 > 0x00000000 > [ 480.185284] ffff8803bea5fcb8 0000000000000002 ffff880409ab0000=20 > ffff8803bea5ffd8 > [ 480.185293] ffff88035ad99860 0000000000012d00 ffff88035ad99860=20 > ffff8803bea5fcc8 > [ 480.185302] 0000000000000000 ffff880347279f48 ffff8800a108573c=20 > ffff8803bea5fd28 > [ 480.185311] Call Trace: > [ 480.185321] [] schedule+0x64/0x66 > [ 480.185382] [] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.185390] [] ? finish_wait+0x5f/0x5f > [ 480.185444] [] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.185458] [] evict+0xa8/0x150 > [ 480.185467] [] iput+0x128/0x131 > [ 480.185474] [] __dentry_kill+0x113/0x17d > [ 480.185481] [] dput+0x136/0x15e > [ 480.185491] [] __fput+0x16a/0x181 > [ 480.185499] [] ____fput+0x9/0xb > [ 480.185506] [] task_work_run+0x85/0x9c > [ 480.185514] [] do_notify_resume+0x5b/0x82 > [ 480.185521] [] 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" disable= s=20 > this message. > [ 480.185540] find D ffff880099213cb8 0 2651 2562=20 > 0x00000000 > [ 480.185548] ffff880099213cb8 0000000000000002 ffffffff81a16500=20 > ffff880099213fd8 > [ 480.185557] ffff88035ad98000 0000000000012d00 ffff88035ad98000=20 > ffff880099213cc8 > [ 480.185565] 0000000000001000 ffff880347594340 ffff8803516131ec=20 > ffff880099213d28 > [ 480.185574] Call Trace: > [ 480.185583] [] schedule+0x64/0x66 > [ 480.185640] [] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.185689] [] ? finish_wait+0x5f/0x5f > [ 480.185758] [] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.185797] [] evict+0xa8/0x150 > [ 480.185821] [] iput+0x128/0x131 > [ 480.185844] [] __dentry_kill+0x113/0x17d > [ 480.185867] [] dput+0x136/0x15e > [ 480.185890] [] __fput+0x16a/0x181 > [ 480.185913] [] ____fput+0x9/0xb > [ 480.185930] [] task_work_run+0x85/0x9c > [ 480.185938] [] do_notify_resume+0x5b/0x82 > [ 480.185947] [] 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" disable= s=20 > this message. > [ 480.185976] find D ffff880330453cb8 0 2654 2562=20 > 0x00000000 > [ 480.185987] ffff880330453cb8 0000000000000002 ffff88040ba96180=20 > ffff880330453fd8 > [ 480.185999] ffff88035d029860 0000000000012d00 ffff88035d029860=20 > ffff880330453cc8 > [ 480.186010] 0000000000002000 ffff8803472f4028 ffff8800a10871ec=20 > ffff880330453d28 > [ 480.186022] Call Trace: > [ 480.186034] [] schedule+0x64/0x66 > [ 480.186093] [] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.186104] [] ? finish_wait+0x5f/0x5f > [ 480.186164] [] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.186191] [] evict+0xa8/0x150 > [ 480.186221] [] iput+0x128/0x131 > [ 480.186243] [] __dentry_kill+0x113/0x17d > [ 480.186252] [] dput+0x136/0x15e > [ 480.186262] [] __fput+0x16a/0x181 > [ 480.186272] [] ____fput+0x9/0xb > [ 480.186281] [] task_work_run+0x85/0x9c > [ 480.186290] [] do_notify_resume+0x5b/0x82 > [ 480.186316] [] 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" disable= s=20 > this message. > [ 480.186353] find D ffff880327f23cb8 0 2657 2562=20 > 0x00000000 > [ 480.186370] ffff880327f23cb8 0000000000000002 ffff88040b811860=20 > ffff880327f23fd8 > [ 480.186381] ffff88035d3f9860 0000000000012d00 ffff88035d3f9860=20 > ffff880327f23cc8 > [ 480.186393] 0000000000001000 ffff880353fb3e98 ffff88037664042c=20 > ffff880327f23d28 > [ 480.186404] Call Trace: > [ 480.186416] [] schedule+0x64/0x66 > [ 480.186472] [] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.186483] [] ? finish_wait+0x5f/0x5f > [ 480.186543] [] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.186560] [] evict+0xa8/0x150 > [ 480.186570] [] iput+0x128/0x131 > [ 480.186579] [] __dentry_kill+0x113/0x17d > [ 480.186589] [] dput+0x136/0x15e > [ 480.186601] [] __fput+0x16a/0x181 > [ 480.186633] [] ____fput+0x9/0xb > [ 480.186676] [] task_work_run+0x85/0x9c > [ 480.186705] [] do_notify_resume+0x5b/0x82 > [ 480.186716] [] 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" disable= s=20 > this message. > [ 480.186745] find D ffff88031f127cb8 0 2660 2562=20 > 0x00000000 > [ 480.186757] ffff88031f127cb8 0000000000000002 ffff88040bdd8000=20 > ffff88031f127fd8 > [ 480.186794] ffff88035d110000 0000000000012d00 ffff88035d110000=20 > ffff88031f127cc8 > [ 480.186806] 0000000000000000 ffff8803d31091e0 ffff8803792a8bcc=20 > ffff88031f127d28 > [ 480.186820] Call Trace: > [ 480.186833] [] schedule+0x64/0x66 > [ 480.186900] [] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.186932] [] ? finish_wait+0x5f/0x5f > [ 480.186997] [] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.187022] [] evict+0xa8/0x150 > [ 480.187038] [] iput+0x128/0x131 > [ 480.187055] [] __dentry_kill+0x113/0x17d > [ 480.187070] [] dput+0x136/0x15e > [ 480.187085] [] __fput+0x16a/0x181 > [ 480.187099] [] ____fput+0x9/0xb > [ 480.187112] [] task_work_run+0x85/0x9c > [ 480.187126] [] do_notify_resume+0x5b/0x82 > [ 480.187139] [] 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" disable= s=20 > this message. > [ 480.187186] find D ffff88031ba9fcb8 0 2663 2562=20 > 0x00000000 > [ 480.187202] ffff88031ba9fcb8 0000000000000002 ffff88040b810000=20 > ffff88031ba9ffd8 > [ 480.187215] ffff88035d3f8000 0000000000012d00 ffff88035d3f8000=20 > ffff88031ba9fcc8 > [ 480.187227] 0000000000001000 ffff8803468b75a8 ffff8800a2df22ac=20 > ffff88031ba9fd28 > [ 480.187240] Call Trace: > [ 480.187264] [] schedule+0x64/0x66 > [ 480.187332] [] lock_extent_bits+0x103/0x18b [btrfs] > [ 480.187345] [] ? finish_wait+0x5f/0x5f > [ 480.187419] [] btrfs_evict_inode+0x14a/0x420 [btrfs] > [ 480.187453] [] evict+0xa8/0x150 > [ 480.187465] [] iput+0x128/0x131 > [ 480.187477] [] __dentry_kill+0x113/0x17d > [ 480.187491] [] dput+0x136/0x15e > [ 480.187505] [] __fput+0x16a/0x181 > [ 480.187518] [] ____fput+0x9/0xb > [ 480.187529] [] task_work_run+0x85/0x9c > [ 480.187540] [] do_notify_resume+0x5b/0x82 > [ 480.187551] [] int_signal+0x12/0x17 >=20 >=20 > I attach an sysrq-t thing.=20 >=20 > Ciao, > --=20 > 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@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html --oyUTqETQ0mS9luUI Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAlTC2V4ACgkQgfmLGlazG5xWAACgvuvutG98aqRS8EXUoixH7sxJ yjIAniSjq7v6JiPwuJavjx+7RJGsLapl =8DEJ -----END PGP SIGNATURE----- --oyUTqETQ0mS9luUI--