Re: WARNING: CPU: 2 PID: 32343 at fs/btrfs/inode.c:8693 btrfs_destroy_inode+0x278/0x2a0()
From: Filipe David Manana
Date: Mon Mar 02 2015 - 07:07:45 EST
On Mon, Mar 2, 2015 at 11:25 AM, Markus Trippelsdorf
<markus@xxxxxxxxxxxxxxx> wrote:
> On 2015.02.24 at 13:29 +0100, Markus Trippelsdorf wrote:
>> On 2015.02.20 at 11:09 +0100, Markus Trippelsdorf wrote:
>> >
>> > I get the following warnings during Firefox LTO build. lto1-wpa-stream
>> > outputs the final object files in parallel and therefore stresses the
>> > filessystem.
>> > These warnings started with the git merge above.
>> >
>> > The disk is a conventional drive:
>> >
>> > [ 2.438132] scsi 1:0:0:0: Direct-Access ATA ST2000DM001-1CH1 CC29 PQ: 0 ANSI: 5
>> > [ 2.438308] sd 1:0:0:0: [sda] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB)
>> > [ 2.438310] sd 1:0:0:0: [sda] 4096-byte physical blocks
>> >
>> > /dev/sda2 btrfs 1.9T 905G 946G 49% /var
>> > /dev/sda2 on /var type btrfs (rw,relatime,compress=lzo,noacl,space_cache)
>> >
>> >
>> > [ 4155.708579] ------------[ cut here ]------------
>> > [ 4155.708590] WARNING: CPU: 1 PID: 8850 at fs/btrfs/inode.c:8693 btrfs_destroy_inode+0x278/0x2a0()
>> > [ 4155.708593] CPU: 1 PID: 8850 Comm: lto1-wpa-stream Not tainted 3.19.0-08975-g3d883483dc0a-dirty #101
>> > [ 4155.708594] Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011
>> > [ 4155.708595] 0000000000000000 ffffffff81999aad ffffffff8168d303 0000000000000000
>> > [ 4155.708597] ffffffff8106d2d2 ffff8800dad9bb78 ffff88018554ccc0 ffff880215e2e000
>> > [ 4155.708599] ffff880215f23000 0000000000000000 ffffffff8121b6f8 0000000000000000
>> > [ 4155.708601] Call Trace:
>> > [ 4155.708606] [<ffffffff8168d303>] ? dump_stack+0x40/0x50
>> > [ 4155.708609] [<ffffffff8106d2d2>] ? warn_slowpath_common+0x72/0xc0
>> > [ 4155.708611] [<ffffffff8121b6f8>] ? btrfs_destroy_inode+0x278/0x2a0
>> > [ 4155.708614] [<ffffffff81129381>] ? dispose_list+0x41/0x60
>> > [ 4155.708615] [<ffffffff81129669>] ? prune_icache_sb+0x49/0x60
>> > [ 4155.708618] [<ffffffff8111205a>] ? super_cache_scan+0x13a/0x1a0
>> > [ 4155.708621] [<ffffffff810e0a1b>] ? shrink_slab.part.52.constprop.62+0x19b/0x240
>> > [ 4155.708623] [<ffffffff810e3049>] ? shrink_zone+0x89/0xa0
>> > [ 4155.708625] [<ffffffff810e3241>] ? try_to_free_pages+0x1e1/0x320
>> > [ 4155.708626] [<ffffffff810daa82>] ? __alloc_pages_nodemask+0x382/0x680
>> > [ 4155.708629] [<ffffffff810f597d>] ? handle_mm_fault+0xbbd/0xe60
>> > [ 4155.708631] [<ffffffff81092e15>] ? put_prev_task_fair+0x75/0x320
>> > [ 4155.708632] [<ffffffff810903b0>] ? __dequeue_entity+0x30/0x40
>> > [ 4155.708633] [<ffffffff81094975>] ? pick_next_task_fair+0x415/0x480
>> > [ 4155.708636] [<ffffffff81064144>] ? __do_page_fault+0x104/0x3a0
>> > [ 4155.708637] [<ffffffff8168fb77>] ? __schedule+0x257/0x860
>> > [ 4155.708639] [<ffffffff8169518f>] ? page_fault+0x1f/0x30
>> > [ 4155.708640] ---[ end trace 265993ee076d84aa ]---
>> > [ 4155.708641] ------------[ cut here ]------------
>> > [ 4155.708643] WARNING: CPU: 1 PID: 8850 at fs/btrfs/inode.c:8694 btrfs_destroy_inode+0x1f2/0x2a0()
>> > [ 4155.708644] CPU: 1 PID: 8850 Comm: lto1-wpa-stream Tainted: G W 3.19.0-08975-g3d883483dc0a-dirty #101
>> > [ 4155.708645] Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011
>> > [ 4155.708645] 0000000000000000 ffffffff81999aad ffffffff8168d303 0000000000000000
>> > [ 4155.708647] ffffffff8106d2d2 ffff8800dad9bb78 ffff88018554ccc0 ffff880215e2e000
>> > [ 4155.708648] ffff880215f23000 0000000000000000 ffffffff8121b672 0000000000000000
>> > [ 4155.708649] Call Trace:
>> > [ 4155.708651] [<ffffffff8168d303>] ? dump_stack+0x40/0x50
>> > [ 4155.708652] [<ffffffff8106d2d2>] ? warn_slowpath_common+0x72/0xc0
>> > [ 4155.708654] [<ffffffff8121b672>] ? btrfs_destroy_inode+0x1f2/0x2a0
>> > [ 4155.708655] [<ffffffff81129381>] ? dispose_list+0x41/0x60
>> > [ 4155.708656] [<ffffffff81129669>] ? prune_icache_sb+0x49/0x60
>> > [ 4155.708658] [<ffffffff8111205a>] ? super_cache_scan+0x13a/0x1a0
>> > [ 4155.708659] [<ffffffff810e0a1b>] ? shrink_slab.part.52.constprop.62+0x19b/0x240
>> > [ 4155.708661] [<ffffffff810e3049>] ? shrink_zone+0x89/0xa0
>> > [ 4155.708662] [<ffffffff810e3241>] ? try_to_free_pages+0x1e1/0x320
>> > [ 4155.708664] [<ffffffff810daa82>] ? __alloc_pages_nodemask+0x382/0x680
>> > [ 4155.708665] [<ffffffff810f597d>] ? handle_mm_fault+0xbbd/0xe60
>> > [ 4155.708667] [<ffffffff81092e15>] ? put_prev_task_fair+0x75/0x320
>> > [ 4155.708668] [<ffffffff810903b0>] ? __dequeue_entity+0x30/0x40
>> > [ 4155.708669] [<ffffffff81094975>] ? pick_next_task_fair+0x415/0x480
>> > [ 4155.708670] [<ffffffff81064144>] ? __do_page_fault+0x104/0x3a0
>> > [ 4155.708672] [<ffffffff8168fb77>] ? __schedule+0x257/0x860
>> > [ 4155.708673] [<ffffffff8169518f>] ? page_fault+0x1f/0x30
>> > [ 4155.708674] ---[ end trace 265993ee076d84ab ]---
>> > [ 4156.021127] ------------[ cut here ]------------
>> > [ 4156.021136] WARNING: CPU: 3 PID: 35 at fs/btrfs/inode.c:8693 btrfs_destroy_inode+0x278/0x2a0()
>> > [ 4156.021139] CPU: 3 PID: 35 Comm: kswapd0 Tainted: G W 3.19.0-08975-g3d883483dc0a-dirty #101
>> > [ 4156.021140] Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011
>> > [ 4156.021141] 0000000000000000 ffffffff81999aad ffffffff8168d303 0000000000000000
>> > [ 4156.021143] ffffffff8106d2d2 ffff8802160dfcb8 ffff88006b07a690 ffff880215e2e000
>> > [ 4156.021145] ffff880215f23000 0000000000000000 ffffffff8121b6f8 0000000000000000
>> > [ 4156.021146] Call Trace:
>> > [ 4156.021151] [<ffffffff8168d303>] ? dump_stack+0x40/0x50
>> > [ 4156.021154] [<ffffffff8106d2d2>] ? warn_slowpath_common+0x72/0xc0
>> > [ 4156.021156] [<ffffffff8121b6f8>] ? btrfs_destroy_inode+0x278/0x2a0
>> > [ 4156.021159] [<ffffffff81129381>] ? dispose_list+0x41/0x60
>> > [ 4156.021160] [<ffffffff81129669>] ? prune_icache_sb+0x49/0x60
>> > [ 4156.021163] [<ffffffff8111205a>] ? super_cache_scan+0x13a/0x1a0
>> > [ 4156.021166] [<ffffffff810e0a1b>] ? shrink_slab.part.52.constprop.62+0x19b/0x240
>> > [ 4156.021168] [<ffffffff810e3049>] ? shrink_zone+0x89/0xa0
>> > [ 4156.021169] [<ffffffff810e3698>] ? kswapd+0x318/0x6c0
>> > [ 4156.021171] [<ffffffff810e3380>] ? try_to_free_pages+0x320/0x320
>> > [ 4156.021173] [<ffffffff81084c3c>] ? kthread+0xbc/0xe0
>> > [ 4156.021175] [<ffffffff81084b80>] ? __kthread_parkme+0x80/0x80
>> > [ 4156.021177] [<ffffffff81693bec>] ? ret_from_fork+0x7c/0xb0
>> > [ 4156.021178] [<ffffffff81084b80>] ? __kthread_parkme+0x80/0x80
>> > [ 4156.021179] ---[ end trace 265993ee076d84ac ]---
>> > [ 4156.021180] ------------[ cut here ]------------
>> > [ 4156.021182] WARNING: CPU: 3 PID: 35 at fs/btrfs/inode.c:8694 btrfs_destroy_inode+0x1f2/0x2a0()
>> > [ 4156.021183] CPU: 3 PID: 35 Comm: kswapd0 Tainted: G W 3.19.0-08975-g3d883483dc0a-dirty #101
>> > [ 4156.021184] Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011
>> > [ 4156.021184] 0000000000000000 ffffffff81999aad ffffffff8168d303 0000000000000000
>> > [ 4156.021186] ffffffff8106d2d2 ffff8802160dfcb8 ffff88006b07a690 ffff880215e2e000
>> > [ 4156.021187] ffff880215f23000 0000000000000000 ffffffff8121b672 0000000000000000
>> > [ 4156.021188] Call Trace:
>> > [ 4156.021190] [<ffffffff8168d303>] ? dump_stack+0x40/0x50
>> > [ 4156.021191] [<ffffffff8106d2d2>] ? warn_slowpath_common+0x72/0xc0
>> > [ 4156.021192] [<ffffffff8121b672>] ? btrfs_destroy_inode+0x1f2/0x2a0
>> > [ 4156.021194] [<ffffffff81129381>] ? dispose_list+0x41/0x60
>> > [ 4156.021195] [<ffffffff81129669>] ? prune_icache_sb+0x49/0x60
>> > [ 4156.021197] [<ffffffff8111205a>] ? super_cache_scan+0x13a/0x1a0
>> > [ 4156.021198] [<ffffffff810e0a1b>] ? shrink_slab.part.52.constprop.62+0x19b/0x240
>> > [ 4156.021200] [<ffffffff810e3049>] ? shrink_zone+0x89/0xa0
>> > [ 4156.021201] [<ffffffff810e3698>] ? kswapd+0x318/0x6c0
>> > [ 4156.021203] [<ffffffff810e3380>] ? try_to_free_pages+0x320/0x320
>> > [ 4156.021204] [<ffffffff81084c3c>] ? kthread+0xbc/0xe0
>> > [ 4156.021205] [<ffffffff81084b80>] ? __kthread_parkme+0x80/0x80
>> > [ 4156.021207] [<ffffffff81693bec>] ? ret_from_fork+0x7c/0xb0
>> > [ 4156.021208] [<ffffffff81084b80>] ? __kthread_parkme+0x80/0x80
>> > [ 4156.021209] ---[ end trace 265993ee076d84ad ]---
>>
>> Also happens when I remove directories:
>>
>> [83159.023857] ------------[ cut here ]------------
>> [83159.023865] WARNING: CPU: 2 PID: 32343 at fs/btrfs/inode.c:8693 btrfs_destroy_inode+0x278/0x2a0()
>> [83159.023868] CPU: 2 PID: 32343 Comm: rm Not tainted 4.0.0-rc1-dirty #104
>> [83159.023869] Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011
>> [83159.023870] 0000000000000000 ffffffff8199990f ffffffff8168d723 0000000000000000
>> [83159.023872] ffffffff8106d2d2 0000000000000000 ffff880008dd8560 ffff880215805800
>> [83159.023873] ffff880169477eb8 ffff880008dd8560 ffffffff8121bab8 ffff880100675000
>> [83159.023874] Call Trace:
>> [83159.023878] [<ffffffff8168d723>] ? dump_stack+0x40/0x50
>> [83159.023881] [<ffffffff8106d2d2>] ? warn_slowpath_common+0x72/0xc0
>> [83159.023882] [<ffffffff8121bab8>] ? btrfs_destroy_inode+0x278/0x2a0
>> [83159.023885] [<ffffffff8111f747>] ? do_unlinkat+0x1a7/0x2e0
>> [83159.023887] [<ffffffff81083974>] ? task_work_run+0xb4/0x100
>> [83159.023889] [<ffffffff8103b9a9>] ? do_notify_resume+0x69/0x80
>> [83159.023891] [<ffffffff81694092>] ? system_call_fastpath+0x12/0x17
>> [83159.023892] ---[ end trace 3b7c45c6e46fe8db ]---
>> [83159.023892] ------------[ cut here ]------------
>> [83159.023894] WARNING: CPU: 2 PID: 32343 at fs/btrfs/inode.c:8694 btrfs_destroy_inode+0x1f2/0x2a0()
>> [83159.023895] CPU: 2 PID: 32343 Comm: rm Tainted: G W 4.0.0-rc1-dirty #104
>> [83159.023896] Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011
>> [83159.023897] 0000000000000000 ffffffff8199990f ffffffff8168d723 0000000000000000
>> [83159.023898] ffffffff8106d2d2 0000000000000000 ffff880008dd8560 ffff880215805800
>> [83159.023899] ffff880169477eb8 ffff880008dd8560 ffffffff8121ba32 ffff880100675000
>> [83159.023900] Call Trace:
>> [83159.023902] [<ffffffff8168d723>] ? dump_stack+0x40/0x50
>> [83159.023903] [<ffffffff8106d2d2>] ? warn_slowpath_common+0x72/0xc0
>> [83159.023905] [<ffffffff8121ba32>] ? btrfs_destroy_inode+0x1f2/0x2a0
>> [83159.023906] [<ffffffff8111f747>] ? do_unlinkat+0x1a7/0x2e0
>> [83159.023907] [<ffffffff81083974>] ? task_work_run+0xb4/0x100
>> [83159.023909] [<ffffffff8103b9a9>] ? do_notify_resume+0x69/0x80
>> [83159.023910] [<ffffffff81694092>] ? system_call_fastpath+0x12/0x17
>> [83159.023911] ---[ end trace 3b7c45c6e46fe8dc ]---
>> [83159.038708] ------------[ cut here ]------------
>> [83159.038716] WARNING: CPU: 2 PID: 32343 at fs/btrfs/inode.c:8693 btrfs_destroy_inode+0x278/0x2a0()
>> [83159.038718] CPU: 2 PID: 32343 Comm: rm Tainted: G W 4.0.0-rc1-dirty #104
>> [83159.038719] Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011
>> [83159.038720] 0000000000000000 ffffffff8199990f ffffffff8168d723 0000000000000000
>> [83159.038722] ffffffff8106d2d2 0000000000000000 ffff88005756edf0 ffff880215805800
>> [83159.038723] ffff880169477eb8 ffff88005756edf0 ffffffff8121bab8 ffff880100675000
>> [83159.038725] Call Trace:
>> [83159.038728] [<ffffffff8168d723>] ? dump_stack+0x40/0x50
>> [83159.038731] [<ffffffff8106d2d2>] ? warn_slowpath_common+0x72/0xc0
>> [83159.038732] [<ffffffff8121bab8>] ? btrfs_destroy_inode+0x278/0x2a0
>> [83159.038735] [<ffffffff8111f747>] ? do_unlinkat+0x1a7/0x2e0
>> [83159.038737] [<ffffffff81083974>] ? task_work_run+0xb4/0x100
>> [83159.038740] [<ffffffff8103b9a9>] ? do_notify_resume+0x69/0x80
>> [83159.038742] [<ffffffff81694092>] ? system_call_fastpath+0x12/0x17
>> [83159.038743] ---[ end trace 3b7c45c6e46fe8dd ]---
>> [83159.038744] ------------[ cut here ]------------
>> [83159.038745] WARNING: CPU: 2 PID: 32343 at fs/btrfs/inode.c:8694 btrfs_destroy_inode+0x1f2/0x2a0()
>> [83159.038746] CPU: 2 PID: 32343 Comm: rm Tainted: G W 4.0.0-rc1-dirty #104
>> [83159.038747] Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011
>> [83159.038747] 0000000000000000 ffffffff8199990f ffffffff8168d723 0000000000000000
>> [83159.038749] ffffffff8106d2d2 0000000000000000 ffff88005756edf0 ffff880215805800
>> [83159.038750] ffff880169477eb8 ffff88005756edf0 ffffffff8121ba32 ffff880100675000
>> [83159.038751] Call Trace:
>> [83159.038753] [<ffffffff8168d723>] ? dump_stack+0x40/0x50
>> [83159.038754] [<ffffffff8106d2d2>] ? warn_slowpath_common+0x72/0xc0
>> [83159.038755] [<ffffffff8121ba32>] ? btrfs_destroy_inode+0x1f2/0x2a0
>> [83159.038757] [<ffffffff8111f747>] ? do_unlinkat+0x1a7/0x2e0
>> [83159.038758] [<ffffffff81083974>] ? task_work_run+0xb4/0x100
>> [83159.038760] [<ffffffff8103b9a9>] ? do_notify_resume+0x69/0x80
>> [83159.038761] [<ffffffff81694092>] ? system_call_fastpath+0x12/0x17
>> [83159.038762] ---[ end trace 3b7c45c6e46fe8de ]---
>
> Unfortunately the issue isn't 100% reproducible, so I unfortunately
> cannot bisect.
You probably don't need to bisect. The warning is related to the
outstanding_extents counter being != 0:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/fs/btrfs/inode.c?id=refs/tags/v4.0-rc1#n8693
The only change in 4.0 that changes updates to that counter is:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3e05bde8c3c2dd761da4d52944a087907955a53c
So that's likely the change you would find with a bisect.
thanks
>
> Another example:
> ...
> Mar 2 06:58:24 x4 kernel: BTRFS info (device sdb3): disk space caching is enabled
> Mar 2 06:58:25 x4 kernel: microcode: CPU0: new patch_level=0x010000db
> Mar 2 06:58:25 x4 kernel: microcode: CPU1: new patch_level=0x010000db
> Mar 2 06:58:25 x4 kernel: microcode: CPU2: new patch_level=0x010000db
> Mar 2 06:58:25 x4 kernel: microcode: CPU3: new patch_level=0x010000db
> Mar 2 06:58:26 x4 kernel: Adding 4095996k swap on /dev/sda1. Priority:-1 extents:1 across:4095996k
> Mar 2 09:09:58 x4 kernel: BTRFS warning (device sda2): block group 885866364928 has wrong amount of free space
> Mar 2 09:09:58 x4 kernel: BTRFS warning (device sda2): failed to load free space cache for block group 885866364928, rebuild it now
> Mar 2 09:20:02 x4 kernel: ------------[ cut here ]------------
> Mar 2 09:20:02 x4 kernel: WARNING: CPU: 0 PID: 14596 at fs/btrfs/inode.c:8693 btrfs_destroy_inode+0x278/0x2a0()
> Mar 2 09:20:02 x4 kernel: CPU: 0 PID: 14596 Comm: rm Not tainted 4.0.0-rc1-00151-ga38ecbbd0be0-dirty #110
> Mar 2 09:20:02 x4 kernel: Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011
> Mar 2 09:20:02 x4 kernel: 0000000000000000 ffffffff8199e119 ffffffff8169214e 0000000000000000
> Mar 2 09:20:02 x4 kernel: ffffffff8106c4f2 0000000000000000 ffff8801095b8910 ffff880216a6d000
> Mar 2 09:20:02 x4 kernel: ffff88007060beb8 ffff8801095b8910 ffffffff8121a3b8 ffff88019db09000
> Mar 2 09:20:02 x4 kernel: Call Trace:
> Mar 2 09:20:02 x4 kernel: [<ffffffff8169214e>] ? dump_stack+0x40/0x50
> Mar 2 09:20:02 x4 kernel: [<ffffffff8106c4f2>] ? warn_slowpath_common+0x72/0xc0
> Mar 2 09:20:02 x4 kernel: [<ffffffff8121a3b8>] ? btrfs_destroy_inode+0x278/0x2a0
> Mar 2 09:20:02 x4 kernel: [<ffffffff8111e9e7>] ? do_unlinkat+0x127/0x300
> Mar 2 09:20:02 x4 kernel: [<ffffffff81082dd4>] ? task_work_run+0xb4/0x100
> Mar 2 09:20:02 x4 kernel: [<ffffffff8103aad5>] ? do_notify_resume+0x55/0x80
> Mar 2 09:20:02 x4 kernel: [<ffffffff81698a92>] ? system_call_fastpath+0x12/0x17
> Mar 2 09:20:02 x4 kernel: ---[ end trace de951903f2a71b04 ]---
> Mar 2 09:20:02 x4 kernel: ------------[ cut here ]------------
> Mar 2 09:20:02 x4 kernel: WARNING: CPU: 0 PID: 14596 at fs/btrfs/inode.c:8694 btrfs_destroy_inode+0x1f2/0x2a0()
> Mar 2 09:20:02 x4 kernel: CPU: 0 PID: 14596 Comm: rm Tainted: G W 4.0.0-rc1-00151-ga38ecbbd0be0-dirty #110
> Mar 2 09:20:02 x4 kernel: Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011
> Mar 2 09:20:02 x4 kernel: 0000000000000000 ffffffff8199e119 ffffffff8169214e 0000000000000000
> Mar 2 09:20:02 x4 kernel: ffffffff8106c4f2 0000000000000000 ffff8801095b8910 ffff880216a6d000
> Mar 2 09:20:02 x4 kernel: ffff88007060beb8 ffff8801095b8910 ffffffff8121a332 ffff88019db09000
> Mar 2 09:20:02 x4 kernel: Call Trace:
> Mar 2 09:20:02 x4 kernel: [<ffffffff8169214e>] ? dump_stack+0x40/0x50
> Mar 2 09:20:02 x4 kernel: [<ffffffff8106c4f2>] ? warn_slowpath_common+0x72/0xc0
> Mar 2 09:20:02 x4 kernel: [<ffffffff8121a332>] ? btrfs_destroy_inode+0x1f2/0x2a0
> Mar 2 09:20:02 x4 kernel: [<ffffffff8111e9e7>] ? do_unlinkat+0x127/0x300
> Mar 2 09:20:02 x4 kernel: [<ffffffff81082dd4>] ? task_work_run+0xb4/0x100
> Mar 2 09:20:02 x4 kernel: [<ffffffff8103aad5>] ? do_notify_resume+0x55/0x80
> Mar 2 09:20:02 x4 kernel: [<ffffffff81698a92>] ? system_call_fastpath+0x12/0x17
> Mar 2 09:20:02 x4 kernel: ---[ end trace de951903f2a71b05 ]---
> Mar 2 09:20:02 x4 kernel: ------------[ cut here ]------------
> Mar 2 09:20:02 x4 kernel: WARNING: CPU: 0 PID: 14596 at fs/btrfs/inode.c:8693 btrfs_destroy_inode+0x278/0x2a0()
> Mar 2 09:20:02 x4 kernel: CPU: 0 PID: 14596 Comm: rm Tainted: G W 4.0.0-rc1-00151-ga38ecbbd0be0-dirty #110
> Mar 2 09:20:02 x4 kernel: Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011
> Mar 2 09:20:02 x4 kernel: 0000000000000000 ffffffff8199e119 ffffffff8169214e 0000000000000000
> Mar 2 09:20:02 x4 kernel: ffffffff8106c4f2 0000000000000000 ffff88007fda01b0 ffff880216a6d000
> Mar 2 09:20:02 x4 kernel: ffff88007060beb8 ffff88007fda01b0 ffffffff8121a3b8 ffff88019db09000
> Mar 2 09:20:02 x4 kernel: Call Trace:
> Mar 2 09:20:02 x4 kernel: [<ffffffff8169214e>] ? dump_stack+0x40/0x50
> Mar 2 09:20:02 x4 kernel: [<ffffffff8106c4f2>] ? warn_slowpath_common+0x72/0xc0
> Mar 2 09:20:02 x4 kernel: [<ffffffff8121a3b8>] ? btrfs_destroy_inode+0x278/0x2a0
> Mar 2 09:20:02 x4 kernel: [<ffffffff8111e9e7>] ? do_unlinkat+0x127/0x300
> Mar 2 09:20:02 x4 kernel: [<ffffffff81082dd4>] ? task_work_run+0xb4/0x100
> Mar 2 09:20:02 x4 kernel: [<ffffffff8103aad5>] ? do_notify_resume+0x55/0x80
> Mar 2 09:20:02 x4 kernel: [<ffffffff81698a92>] ? system_call_fastpath+0x12/0x17
> Mar 2 09:20:02 x4 kernel: ---[ end trace de951903f2a71b06 ]---
> Mar 2 09:20:02 x4 kernel: ------------[ cut here ]------------
> Mar 2 09:20:02 x4 kernel: WARNING: CPU: 0 PID: 14596 at fs/btrfs/inode.c:8694 btrfs_destroy_inode+0x1f2/0x2a0()
> Mar 2 09:20:02 x4 kernel: CPU: 0 PID: 14596 Comm: rm Tainted: G W 4.0.0-rc1-00151-ga38ecbbd0be0-dirty #110
> Mar 2 09:20:02 x4 kernel: Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011
> Mar 2 09:20:02 x4 kernel: 0000000000000000 ffffffff8199e119 ffffffff8169214e 0000000000000000
> Mar 2 09:20:02 x4 kernel: ffffffff8106c4f2 0000000000000000 ffff88007fda01b0 ffff880216a6d000
> Mar 2 09:20:02 x4 kernel: ffff88007060beb8 ffff88007fda01b0 ffffffff8121a332 ffff88019db09000
> Mar 2 09:20:02 x4 kernel: Call Trace:
> Mar 2 09:20:02 x4 kernel: [<ffffffff8169214e>] ? dump_stack+0x40/0x50
> Mar 2 09:20:02 x4 kernel: [<ffffffff8106c4f2>] ? warn_slowpath_common+0x72/0xc0
> Mar 2 09:20:02 x4 kernel: [<ffffffff8121a332>] ? btrfs_destroy_inode+0x1f2/0x2a0
> Mar 2 09:20:02 x4 kernel: [<ffffffff8111e9e7>] ? do_unlinkat+0x127/0x300
> Mar 2 09:20:02 x4 kernel: [<ffffffff81082dd4>] ? task_work_run+0xb4/0x100
> Mar 2 09:20:02 x4 kernel: [<ffffffff8103aad5>] ? do_notify_resume+0x55/0x80
> Mar 2 09:20:02 x4 kernel: [<ffffffff81698a92>] ? system_call_fastpath+0x12/0x17
> Mar 2 09:20:02 x4 kernel: ---[ end trace de951903f2a71b07 ]---
>
> --
> Markus
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Filipe David Manana,
"Reasonable men adapt themselves to the world.
Unreasonable men adapt the world to themselves.
That's why all progress depends on unreasonable men."
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