Bug 714494

Summary: Failure to suspend (not sure of cause)
Product: [Fedora] Fedora Reporter: Adam Williamson <awilliam>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED NEXTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 15CC: gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
Target Milestone: ---   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-06-06 14:36:00 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description Adam Williamson 2011-06-19 16:39:17 UTC 
Lately I've been running into some CIFS-related failures to suspend, but today I'm hitting one on my laptop which doesn't seem to be CIFS, but I'm not sure what it is...from the logs:

Jun 19 09:35:45 vaioz kernel: [250292.980896] Freezing user space processes ... 
Jun 19 09:35:45 vaioz kernel: [250312.954890] Freezing of tasks failed after 20.00 seconds (1 tasks refusing to freeze, wq_busy=0):
Jun 19 09:35:45 vaioz kernel: [250312.954929] updatedb        D 0000000000000000     0 27996  27990 0x00800084
Jun 19 09:35:45 vaioz kernel: [250312.954940]  ffff88012cbd9bc8 0000000000000086 ffff880100000000 ffff8801393d8000
Jun 19 09:35:45 vaioz kernel: [250312.954950]  ffff88012cbd9fd8 ffff88012cbd9fd8 0000000000013840 0000000000013840
Jun 19 09:35:45 vaioz kernel: [250312.954960]  ffff88014ffd1730 ffff8801393d8000 ffffffff8112fe59 00000001ffffffff
Jun 19 09:35:45 vaioz kernel: [250312.954971] Call Trace:
Jun 19 09:35:45 vaioz kernel: [250312.954983]  [<ffffffff8112fe59>] ? __pollwait+0x0/0xcc
Jun 19 09:35:45 vaioz kernel: [250312.954995]  [<ffffffff81474985>] __mutex_lock_common+0x123/0x18a
Jun 19 09:35:45 vaioz kernel: [250312.955003]  [<ffffffff81474b6b>] __mutex_lock_slowpath+0x19/0x1b
Jun 19 09:35:45 vaioz kernel: [250312.955007]  [<ffffffff81474afb>] mutex_lock+0x36/0x50
Jun 19 09:35:45 vaioz kernel: [250312.955013]  [<ffffffff8112b26c>] do_lookup+0x21c/0x287
Jun 19 09:35:45 vaioz kernel: [250312.955019]  [<ffffffff811e80d2>] ? security_inode_exec_permission+0x2a/0x2c
Jun 19 09:35:45 vaioz kernel: [250312.955023]  [<ffffffff8112b915>] link_path_walk+0x239/0x3b8
Jun 19 09:35:45 vaioz kernel: [250312.955030]  [<ffffffff8104127e>] ? should_resched+0xe/0x2d
Jun 19 09:35:45 vaioz kernel: [250312.955036]  [<ffffffff81232621>] ? might_fault+0x21/0x23
Jun 19 09:35:45 vaioz kernel: [250312.955040]  [<ffffffff8112bcc7>] do_path_lookup+0x4d/0xf6
Jun 19 09:35:45 vaioz kernel: [250312.955044]  [<ffffffff8112c98c>] user_path_at+0x57/0x94
Jun 19 09:35:45 vaioz kernel: [250312.955049]  [<ffffffff81474228>] ? _cond_resched+0xe/0x22
Jun 19 09:35:45 vaioz kernel: [250312.955053]  [<ffffffff81124e97>] ? might_fault+0x21/0x23
Jun 19 09:35:45 vaioz kernel: [250312.955057]  [<ffffffff81124f90>] ? cp_new_stat+0xf7/0x10d
Jun 19 09:35:45 vaioz kernel: [250312.955061]  [<ffffffff8112517e>] vfs_fstatat+0x39/0x63
Jun 19 09:35:45 vaioz kernel: [250312.955064]  [<ffffffff811251c6>] vfs_lstat+0x1e/0x20
Jun 19 09:35:45 vaioz kernel: [250312.955068]  [<ffffffff81125315>] sys_newlstat+0x1a/0x33
Jun 19 09:35:45 vaioz kernel: [250312.955071]  [<ffffffff81129f9d>] ? path_put+0x1f/0x23
Jun 19 09:35:45 vaioz kernel: [250312.955077]  [<ffffffff8109fa88>] ? audit_syscall_entry+0x145/0x171
Jun 19 09:35:45 vaioz kernel: [250312.955082]  [<ffffffff81009bc2>] system_call_fastpath+0x16/0x1b
Jun 19 09:35:45 vaioz kernel: [250312.955088] 
Jun 19 16:35:45 vaioz rtkit-daemon[1612]: The canary thread is apparently starving. Taking action.
Jun 19 16:35:45 vaioz rtkit-daemon[1612]: Demoting known real-time threads.
Jun 19 16:35:45 vaioz rtkit-daemon[1612]: Demoted 0 threads.
Comment 1 Josh Boyer 2012-06-06 14:36:00 UTC 
I think the cifs/nfs suspend issues were fixed in f16/f17.