[Bug 1424342] Re: CIFS remote shares freeze on resume after suspend
Jaap de Haan
1424342 at bugs.launchpad.net
Mon Nov 28 11:18:14 UTC 2016
[ 3240.018757] INFO: task umount:6807 blocked for more than 120 seconds.
[ 3240.018779] Not tainted 4.4.0-47-generic #68-Ubuntu
[ 3240.018798] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 3240.018823] umount D ffff880213c079e8 0 6807 6770 0x00000004
[ 3240.018825] ffff880213c079e8 0000000000000000 ffffffff81e11500 ffff8802126c3700
[ 3240.018827] ffff880213c08000 ffff880212669a24 ffff8802126c3700 00000000ffffffff
[ 3240.018829] ffff880212669a28 ffff880213c07a00 ffffffff81830f15 ffff880212669a20
[ 3240.018831] Call Trace:
[ 3240.018833] [<ffffffff81830f15>] schedule+0x35/0x80
[ 3240.018834] [<ffffffff818311be>] schedule_preempt_disabled+0xe/0x10
[ 3240.018836] [<ffffffff81832df9>] __mutex_lock_slowpath+0xb9/0x130
[ 3240.018838] [<ffffffff81832e8f>] mutex_lock+0x1f/0x30
[ 3240.018848] [<ffffffffc047a70d>] cifs_reconnect_tcon+0x9d/0x340 [cifs]
[ 3240.018850] [<ffffffff811eb999>] ? ___slab_alloc+0x1e9/0x470
[ 3240.018860] [<ffffffffc047aa5a>] smb_init+0x2a/0x50 [cifs]
[ 3240.018869] [<ffffffffc0481c53>] CIFSSMBQPathInfo+0x63/0x2e0 [cifs]
[ 3240.018875] [<ffffffff811aeb4c>] ? zone_statistics+0x7c/0xa0
[ 3240.018886] [<ffffffffc04ad14f>] cifs_query_path_info+0x6f/0x1a0 [cifs]
[ 3240.018889] [<ffffffff81218b84>] ? lookup_fast+0x184/0x330
[ 3240.018891] [<ffffffff811ebf23>] ? kmem_cache_alloc_trace+0x183/0x1f0
[ 3240.018893] [<ffffffff81218b84>] ? lookup_fast+0x184/0x330
[ 3240.018903] [<ffffffffc049bdc0>] cifs_get_inode_info+0x390/0x8f0 [cifs]
[ 3240.018906] [<ffffffff81218971>] ? unlazy_walk+0xc1/0x150
[ 3240.018908] [<ffffffff811ed5b9>] ? __kmalloc+0x1b9/0x250
[ 3240.018918] [<ffffffffc048edb2>] ? build_path_from_dentry+0xe2/0x3e0 [cifs]
[ 3240.018927] [<ffffffffc048edb2>] ? build_path_from_dentry+0xe2/0x3e0 [cifs]
[ 3240.018937] [<ffffffffc049e365>] cifs_revalidate_dentry_attr+0x1d5/0x250 [cifs]
[ 3240.018939] [<ffffffff811ec1a7>] ? kmem_cache_alloc+0x187/0x1f0
[ 3240.018949] [<ffffffffc049e491>] cifs_getattr+0x51/0x110 [cifs]
[ 3240.018951] [<ffffffff812126cc>] vfs_getattr_nosec+0x2c/0x40
[ 3240.018953] [<ffffffff812128e6>] vfs_getattr+0x26/0x30
[ 3240.018954] [<ffffffff812129c8>] vfs_fstatat+0x78/0xc0
[ 3240.018956] [<ffffffff81212f0e>] SYSC_newstat+0x2e/0x60
[ 3240.018960] [<ffffffff81003226>] ? exit_to_usermode_loop+0xa6/0xd0
[ 3240.018961] [<ffffffff8121309e>] SyS_newstat+0xe/0x10
[ 3240.018963] [<ffffffff81834ff2>] entry_SYSCALL_64_fastpath+0x16/0x71
running Ubuntu 16.04 (4.4.0-47-generic #68-Ubuntu SMP Wed Oct 26 19:39:52 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux) and running in a virtual box VM.
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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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