[Bug 1424342] Re: CIFS remote shares freeze on resume after suspend
MATilley
matilley at gmail.com
Tue Mar 1 20:42:45 UTC 2016
Still occurring one year later, with new kernel and slightly modified
call stack:
[23774.418572] INFO: task pool:25233 blocked for more than 120 seconds.
[23774.418582] Not tainted 3.19.0-51-generic #58~14.04.1-Ubuntu
[23774.418585] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[23774.418589] pool D ffff88014043b9b8 0 25233 1886 0x00000000
[23774.418598] ffff88014043b9b8 ffff880085b83110 0000000000013e80 ffff88014043bfd8
[23774.418605] 0000000000013e80 ffff8802128aa740 ffff880085b83110 ffff880085b83110
[23774.418611] ffff8801d5685220 ffff8801d5685224 ffff880085b83110 00000000ffffffff
[23774.418617] Call Trace:
[23774.418633] [<ffffffff817b3a29>] schedule_preempt_disabled+0x29/0x70
[23774.418642] [<ffffffff817b5745>] __mutex_lock_slowpath+0x95/0x100
[23774.418651] [<ffffffff817b57d3>] mutex_lock+0x23/0x37
[23774.418674] [<ffffffffc0b25658>] cifs_reconnect_tcon+0xa8/0x330 [cifs]
[23774.418684] [<ffffffff811a5856>] ? handle_mm_fault+0x936/0x10d0
[23774.418700] [<ffffffffc0b2598e>] smb_init+0x2e/0x60 [cifs]
[23774.418718] [<ffffffffc0b2beca>] CIFSSMBQPathInfo+0x5a/0x270 [cifs]
[23774.418725] [<ffffffff81193d80>] ? zone_statistics+0x80/0xa0
[23774.418751] [<ffffffffc0b53b4f>] cifs_query_path_info+0x6f/0x1b0 [cifs]
[23774.418761] [<ffffffffc08deb89>] ? do_expire_wait+0xd9/0x1e0 [autofs4]
[23774.418771] [<ffffffff811cef19>] ? kmem_cache_alloc_trace+0x199/0x220
[23774.418793] [<ffffffffc0b43c2c>] ? cifs_get_inode_info+0x30c/0x9a0 [cifs]
[23774.418813] [<ffffffffc0b43c8a>] cifs_get_inode_info+0x36a/0x9a0 [cifs]
[23774.418821] [<ffffffff811f6dab>] ? lookup_fast+0xbb/0x2c0
[23774.418840] [<ffffffffc0b37bde>] ? build_path_from_dentry+0xae/0x2b0 [cifs]
[23774.418857] [<ffffffffc0b37bde>] ? build_path_from_dentry+0xae/0x2b0 [cifs]
[23774.418873] [<ffffffffc0b37bde>] ? build_path_from_dentry+0xae/0x2b0 [cifs]
[23774.418893] [<ffffffffc0b45f67>] cifs_revalidate_dentry_attr+0x197/0x200 [cifs]
[23774.418901] [<ffffffff811fd00f>] ? user_path_at_empty+0x5f/0xa0
[23774.418919] [<ffffffffc0b46087>] cifs_getattr+0x57/0x130 [cifs]
[23774.418927] [<ffffffff81347ddb>] ? common_perm_cond+0x2b/0x30
[23774.418933] [<ffffffff811f0cec>] vfs_getattr_nosec+0x2c/0x40
[23774.418938] [<ffffffff811f0dbd>] vfs_getattr+0x2d/0x40
[23774.418944] [<ffffffff811f0e92>] vfs_fstatat+0x62/0xa0
[23774.418949] [<ffffffff811f1362>] SYSC_newlstat+0x22/0x40
[23774.418955] [<ffffffff811fffb5>] ? SyS_getdents+0xd5/0x100
[23774.418960] [<ffffffff811ffc40>] ? fillonedir+0xd0/0xd0
[23774.418966] [<ffffffff811f159e>] SyS_newlstat+0xe/0x10
[23774.418975] [<ffffffff817b788d>] system_call_fastpath+0x16/0x1b
--
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https://bugs.launchpad.net/bugs/1424342
Title:
CIFS remote shares freeze on resume after suspend
Status in cifs-utils package in Ubuntu:
Confirmed
Bug description:
After resuming session from a suspend on my Dell XPS 13, any
previously remotely mounted CIFS shares are non-responsive, lock the
terminal on attempts to interact with the associated directories in
any way (tab complete, cd, ls, etc.). In system logs, I see the
following:
[31218.531445] INFO: task bash:16585 blocked for more than 120 seconds.
[31218.531454] Tainted: G OE 3.16.0-30-generic #40-Ubuntu
[31218.531456] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[31218.531460] bash D ffff88021f293840 0 16585 1983 0x00000004
[31218.531468] ffff8801be323a60 0000000000000086 ffff8800a3b80a30 0000000000013840
[31218.531474] ffff8801be323fd8 0000000000013840 ffff8800a3b80a30 ffff88020fc93e20
[31218.531479] ffff88020fc93e24 ffff8800a3b80a30 00000000ffffffff ffff88020fc93e28
[31218.531484] Call Trace:
[31218.531497] [<ffffffff81785a89>] schedule_preempt_disabled+0x29/0x70
[31218.531504] [<ffffffff81788025>] __mutex_lock_slowpath+0xd5/0x1f0
[31218.531511] [<ffffffff8178815f>] mutex_lock+0x1f/0x30
[31218.531523] [<ffffffffc08b2399>] cifs_reconnect_tcon+0x169/0x2e0 [cifs]
[31218.531533] [<ffffffffc08b25ca>] smb_init+0x2a/0x50 [cifs]
[31218.531544] [<ffffffffc08b81ca>] CIFSSMBQPathInfo+0x5a/0x2b0 [cifs]
[31218.531561] [<ffffffffc08dc9d7>] cifs_query_path_info+0x67/0x1a0 [cifs]
[31218.531571] [<ffffffff811eb7f2>] ? __inode_permission+0x52/0xe0
[31218.531578] [<ffffffff811eb898>] ? inode_permission+0x18/0x50
[31218.531588] [<ffffffff811c3573>] ? kmem_cache_alloc_trace+0x193/0x1e0
[31218.531603] [<ffffffffc08ce89b>] ? cifs_get_inode_info+0x3cb/0x8a0 [cifs]
[31218.531615] [<ffffffffc08ce8f9>] cifs_get_inode_info+0x429/0x8a0 [cifs]
[31218.531622] [<ffffffff811ead51>] ? complete_walk+0x51/0x100
[31218.531629] [<ffffffff811c3a29>] ? __kmalloc+0x169/0x260
[31218.531642] [<ffffffffc08c3ae6>] ? build_path_from_dentry+0xb6/0x2c0 [cifs]
[31218.531653] [<ffffffffc08c3ae6>] ? build_path_from_dentry+0xb6/0x2c0 [cifs]
[31218.531666] [<ffffffffc08d08af>] cifs_revalidate_dentry_attr+0xef/0x1c0 [cifs]
[31218.531679] [<ffffffffc08d0a31>] cifs_getattr+0x51/0x120 [cifs]
[31218.531685] [<ffffffff811e5c3c>] vfs_getattr_nosec+0x2c/0x40
[31218.531690] [<ffffffff811e5cfd>] vfs_getattr+0x2d/0x40
[31218.531695] [<ffffffff811e5dd4>] vfs_fstatat+0x64/0xa0
[31218.531700] [<ffffffff811e625f>] SYSC_newstat+0x1f/0x40
[31218.531706] [<ffffffff811e64be>] SyS_newstat+0xe/0x10
[31218.531713] [<ffffffff8178a3ad>] system_call_fastpath+0x1a/0x1f
And it seems this has affected several users:
http://ubuntuforums.org/showthread.php?t=2265959
http://askubuntu.com/questions/417874/cifs-vfs-server-xxx-has-not-
responded-in-120-seconds
http://ubuntuforums.org/showthread.php?t=2224655
http://ubuntuforums.org/showthread.php?t=2256773
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: cifs-utils 2:6.0-1ubuntu2
ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.2
Architecture: amd64
CurrentDesktop: XFCE
Date: Sun Feb 22 00:36:33 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-09-27 (148 days ago)
InstallationMedia: Xubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140723)
SourcePackage: cifs-utils
UpgradeStatus: Upgraded to utopic on 2015-02-04 (17 days ago)
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