Public bug reported:
After updating this system to latest packages a few days ago, suspend
has stopped working.
After each attempt at suspend the following is output in dmesg:
[17195.571338] PM: Syncing filesystems ... done.
[17195.573669] PM: Preparing system for mem sleep
[17195.573677] Freezing user space processes ... (elapsed 0.01 seconds) done.
[17195.588058] Freezing remaining freezable tasks ...
[17215.604036] Freezing of tasks failed after 20.01 seconds (1 tasks refusing
to freeze, wq_busy=0):
[17215.604068] v86d S ffffffff81806200 0 553 1 0x00c00000
[17215.604072] ffff88011b61d9d8 0000000000000082 ffff88011b61d9e8
ffffffff8104fc1c
[17215.604076] ffff88011b61dfd8 ffff88011b61dfd8 ffff88011b61dfd8
00000000000137c0
[17215.604079] ffffffff81c0d020 ffff88011b7c2e00 000000000001bf90
0000000000000000
[17215.604081] Call Trace:
[17215.604089] [<ffffffff8104fc1c>] ? wake_affine+0x14c/0x310
[17215.604094] [<ffffffff81659ebf>] schedule+0x3f/0x60
[17215.604097] [<ffffffff8165afed>] schedule_hrtimeout_range_clock+0x14d/0x170
[17215.604100] [<ffffffff8103dcf9>] ? default_spin_lock_flags+0x9/0x10
[17215.604103] [<ffffffff8108ad0d>] ? add_wait_queue+0x4d/0x60
[17215.604105] [<ffffffff8165b023>] schedule_hrtimeout_range+0x13/0x20
[17215.604108] [<ffffffff8118b069>] poll_schedule_timeout+0x49/0x70
[17215.604110] [<ffffffff8118b5ba>] do_poll.isra.4+0x1ca/0x290
[17215.604113] [<ffffffff8104c368>] ? __wake_up_common+0x58/0x90
[17215.604115] [<ffffffff8156c81e>] ? netlink_unicast+0x2be/0x300
[17215.604118] [<ffffffff8118c579>] do_sys_poll+0x1d9/0x260
[17215.604120] [<ffffffff8118b170>] ? poll_freewait+0xe0/0xe0
[17215.604122] [<ffffffff8118b260>] ? __pollwait+0xf0/0xf0
[17215.604124] [<ffffffff8156c996>] ? netlink_sendmsg+0x136/0x390
[17215.604127] [<ffffffff8152a94e>] ? sock_sendmsg+0x10e/0x130
[17215.604130] [<ffffffff8113d92a>] ? handle_pte_fault+0xfa/0x200
[17215.604132] [<ffffffff8113dde8>] ? handle_mm_fault+0x1f8/0x350
[17215.604135] [<ffffffff8152dfdd>] ? sys_sendto+0x13d/0x190
[17215.604137] [<ffffffff8165986c>] ? __schedule+0x3cc/0x6f0
[17215.604140] [<ffffffff81015bf8>] ? sys_ioperm+0x138/0x1f0
[17215.604143] [<ffffffff8118c6e6>] sys_poll+0x76/0x110
[17215.604145] [<ffffffff816643c2>] system_call_fastpath+0x16/0x1b
[17215.604190]
[17215.604191] Restarting tasks ... done.
[17215.606735] video LNXVIDEO:00: Restoring backlight state
[17216.403527] forcedeth 0000:00:0a.0: irq 41 for MSI/MSI-X
[17227.352029] eth0: no IPv6 routers present
Prior to the updates a few days ago suspend/wake worked perfectly on this
system.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: v86d 0.1.10-1
ProcVersionSignature: Ubuntu 3.2.0-34.53-generic 3.2.33
Uname: Linux 3.2.0-34-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu15
Architecture: amd64
Date: Sun Nov 18 18:37:57 2012
EcryptfsInUse: Yes
MarkForUpload: True
SourcePackage: v86d
UpgradeStatus: Upgraded to precise on 2012-05-20 (182 days ago)
** Affects: v86d (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/1080530
Title:
v86d prevents suspend from completing
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