Fedora 24 - no longer able to suspend ("alsactl refusing to freeze")

asked 2016-12-04 05:13:28 -0500

mjbright gravatar image

Since a few days or a week ago I'm no longer to suspend my system, either by operating the power button or "systemctl suspend -i".

I've rebooted, performed dnf update, and running kernel 4.8.10-200.fc24.x86_64. After a reboot, still the same problem.

Looking at dmesg it seems that it's the alsactl process which is refusing to "freeze" - see below.

Any ideas how to fix this? Thx,

[Dec 4 12:05] Freezing of tasks failed after 20.009 seconds (1 tasks refusing to freeze, wq_busy=0): [ +0.000021] alsactl D ffff9f1d0ca5bb78 0 12178 1 0x00000004 [ +0.000003] ffff9f1d0ca5bb78 00ff9f1d2fb90100 ffff9f1d0c388000 ffff9f1d1db33d00 [ +0.000002] ffff9f1d0ca5bbc0 ffff9f1d0ca5c000 ffff9f1d0ca5bbc0 ffff9f1d2fb90100 [ +0.000001] 00000000ffffffff 0000000000000000 ffff9f1d0ca5bb90 ffffffffbc7fe1e5 [ +0.000001] Call Trace: [ +0.000005] [<ffffffffbc7fe1e5>] schedule+0x35/0x80 [ +0.000001] [<ffffffffbc80161b>] schedule_timeout+0x1db/0x3f0 [ +0.000002] [<ffffffffbc22642a>] ? kmem_cache_alloc_trace+0xea/0x1b0 [ +0.000005] [<ffffffffc070f595>] ? snd_ctl_open+0x85/0x190 [snd] [ +0.000003] [<ffffffffbc10f6d0>] ? del_timer_sync+0x50/0x50 [ +0.000002] [<ffffffffc070beed>] snd_power_wait+0xbd/0x110 [snd] [ +0.000003] [<ffffffffbc0cba90>] ? wake_up_q+0x80/0x80 [ +0.000002] [<ffffffffc070d99f>] snd_ctl_elem_info_user+0x5f/0xf0 [snd] [ +0.000002] [<ffffffffc0710544>] snd_ctl_ioctl+0x5e4/0x6c0 [snd] [ +0.000002] [<ffffffffbc264d73>] do_vfs_ioctl+0xa3/0x5f0 [ +0.000001] [<ffffffffbc265339>] SyS_ioctl+0x79/0x90 [ +0.000002] [<ffffffffbc802932>] entry_SYSCALL_64_fastpath+0x1a/0xa4

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