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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1080530 Title: v86d prevents suspend from completing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/v86d/+bug/1080530/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs