Greetings. I'm seeing suspend/resume failures with recent 3.18 git kernels.
Full dmesg at: http://paste.fedoraproject.org/143615/83287914/ The possibly interesting parts: [ 78.373144] PM: Syncing filesystems ... done. [ 78.411180] PM: Preparing system for mem sleep [ 78.411995] Freezing user space processes ... [ 98.429955] Freezing of tasks failed after 20.001 seconds (1 tasks refusing to freeze, wq_busy=0): [ 98.429971] (-localed) D ffff88025f214c80 0 1866 1 0x00000084 [ 98.429975] ffff88024e777df8 0000000000000086 ffff88009b4444b0 0000000000014c80 [ 98.429978] ffff88024e777fd8 0000000000014c80 ffff880250ffb110 ffff88009b4444b0 [ 98.429981] 0000000000000000 ffffffff81cec1a0 ffffffff81cec1a4 ffff88009b4444b0 [ 98.429983] Call Trace: [ 98.429991] [<ffffffff8175d619>] schedule_preempt_disabled+0x29/0x70 [ 98.429994] [<ffffffff8175f433>] __mutex_lock_slowpath+0xb3/0x120 [ 98.429997] [<ffffffff8175f4c3>] mutex_lock+0x23/0x40 [ 98.430001] [<ffffffff8163e325>] copy_net_ns+0x75/0x140 [ 98.430005] [<ffffffff810b8c2d>] create_new_namespaces+0xfd/0x1a0 [ 98.430008] [<ffffffff810b8e5a>] unshare_nsproxy_namespaces+0x5a/0xc0 [ 98.430012] [<ffffffff81098813>] SyS_unshare+0x193/0x340 [ 98.430015] [<ffffffff817617a9>] system_call_fastpath+0x12/0x17 [ 98.430032] Restarting tasks ... done. [ 98.480361] PM: Syncing filesystems ... done. [ 98.571645] PM: Preparing system for freeze sleep [ 98.571779] Freezing user space processes ... [ 118.592086] Freezing of tasks failed after 20.003 seconds (1 tasks refusing to freeze, wq_busy=0): [ 118.592102] (-localed) D ffff88025f214c80 0 1866 1 0x00000084 [ 118.592106] ffff88024e777df8 0000000000000086 ffff88009b4444b0 0000000000014c80 [ 118.592109] ffff88024e777fd8 0000000000014c80 ffff880250ffb110 ffff88009b4444b0 [ 118.592111] 0000000000000000 ffffffff81cec1a0 ffffffff81cec1a4 ffff88009b4444b0 [ 118.592114] Call Trace: [ 118.592121] [<ffffffff8175d619>] schedule_preempt_disabled+0x29/0x70 [ 118.592125] [<ffffffff8175f433>] __mutex_lock_slowpath+0xb3/0x120 [ 118.592127] [<ffffffff8175f4c3>] mutex_lock+0x23/0x40 [ 118.592132] [<ffffffff8163e325>] copy_net_ns+0x75/0x140 [ 118.592136] [<ffffffff810b8c2d>] create_new_namespaces+0xfd/0x1a0 [ 118.592139] [<ffffffff810b8e5a>] unshare_nsproxy_namespaces+0x5a/0xc0 [ 118.592143] [<ffffffff81098813>] SyS_unshare+0x193/0x340 [ 118.592146] [<ffffffff817617a9>] system_call_fastpath+0x12/0x17 [ 118.592163] Restarting tasks ... done. root 6 0.0 0.0 0 0 ? D 13:49 0:00 [kworker/u16:0] root 1876 0.0 0.0 41460 5784 ? Ds 13:49 0:00 (-localed) I'll try and bisect this, but perhaps it rings bells already for folks. kevin
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