linux-kernel - [lkp] [3.14 stable regression don't remove from shrink list in select_collect()] a934d2e2ae: WARNING: CPU: 0 PID: 12302 at fs/dcache.c:411 d_lru

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Message-ID: <87bn896ufu.fsf@yhuang-dev.intel.com>
Date:	Tue, 26 Jan 2016 08:44:21 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Shawn Bohrer <shawn.bohrer@...il.com>
CC:	0day robot <fengguang.wu@...el.com>
Subject: [lkp] [3.14 stable regression don't remove from shrink list in
 select_collect()] a934d2e2ae: WARNING: CPU: 0 PID: 12302 at
 fs/dcache.c:411 d_lru_del+0x68/0xb0()

FYI, we noticed the below changes on

https://github.com/0day-ci/linux Shawn-Bohrer/3-14-stable-regression-don-t-remove-from-shrink-list-in-select_collect/20160126-000835
commit a934d2e2aeed3ea22329ffe09d96187b7a52c14e ("3.14 stable regression don't remove from shrink list in select_collect()")


[   29.199848] Fix your initscripts?
[   62.720577] Writes:  Total: 2  Max/Min: 0/0   Fail: 0 
[   78.443404] ------------[ cut here ]------------
[   78.444184] WARNING: CPU: 0 PID: 12302 at fs/dcache.c:411 d_lru_del+0x68/0xb0()
[   78.445569] Modules linked in:
[   78.446210] CPU: 0 PID: 12302 Comm: umount Not tainted 4.5.0-rc1-00001-ga934d2e #2
[   78.447434] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   78.448816]  c1a90980 cebe5df4 c13e62cd cebe5e24 c1049e93 c1a79d08 00000000 0000300e
[   78.450551]  c1a90980 0000019b c118bca8 c118bca8 cda80420 cebe5ea8 cda8047c cebe5e34
[   78.452281]  c1049f62 00000009 00000000 cebe5e40 c118bca8 cda80420 cebe5e50 c118bd67
[   78.453998] Call Trace:
[   78.454507]  [<c13e62cd>] dump_stack+0x16/0x19
[   78.455235]  [<c1049e93>] warn_slowpath_common+0x83/0xb0
[   78.456053]  [<c118bca8>] ? d_lru_del+0x68/0xb0
[   78.456786]  [<c118bca8>] ? d_lru_del+0x68/0xb0
[   78.457502]  [<c1049f62>] warn_slowpath_null+0x22/0x30
[   78.458339]  [<c118bca8>] d_lru_del+0x68/0xb0
[   78.459054]  [<c118bd67>] select_collect+0x77/0xd0
[   78.459809]  [<c118edfe>] d_walk+0x10e/0x4f0
[   78.460499]  [<c118f293>] ? shrink_dcache_parent+0x63/0x80
[   78.461340]  [<c118bcf0>] ? d_lru_del+0xb0/0xb0
[   78.462087]  [<c118f293>] shrink_dcache_parent+0x63/0x80
[   78.462929]  [<c118f2c1>] do_one_tree+0x11/0x40
[   78.463655]  [<c118f5ca>] shrink_dcache_for_umount+0x2a/0x90
[   78.464504]  [<c1177300>] generic_shutdown_super+0x20/0xe0
[   78.465344]  [<c1177622>] kill_litter_super+0x22/0x30
[   78.466136]  [<c11777f5>] deactivate_locked_super+0x45/0x70
[   78.466995]  [<c1177c4f>] deactivate_super+0x6f/0x80
[   78.467774]  [<c1196c64>] cleanup_mnt+0x34/0x80
[   78.468493]  [<c1196d00>] __cleanup_mnt+0x10/0x20
[   78.469251]  [<c1066f77>] task_work_run+0x57/0xa0
[   78.470008]  [<c1001305>] exit_to_usermode_loop+0xb5/0xc0
[   78.470843]  [<c1001b07>] do_syscall_32_irqs_on+0xc7/0x140
[   78.471696]  [<c1834bc1>] entry_INT80_32+0x31/0x31
[   78.472460] ---[ end trace 71d5438a8e8ce00a ]---
[   78.473234] ------------[ cut here ]------------





Thanks,
Kernel Test Robot

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