On 2017.08.30 at 13:23 +0200, Takashi Iwai wrote: > On Wed, 30 Aug 2017 12:03:34 +0200, > Markus Trippelsdorf wrote: > > > > On my system ALSA sometimes hangs: > > > > sysrq: SysRq : Show Blocked State > > task PC stack pid father > > output:ALSA def D 0 171 1 0x00000000 > > Call Trace: > > ? __schedule+0x17c/0x720 > > ? schedule_preempt_disabled+0x2d/0x80 > > ? __mutex_lock_slowpath+0x141/0x420 > > ? snd_pcm_common_ioctl1+0x2f/0x1400 > > ? snd_pcm_common_ioctl1+0x2f/0x1400 > > ? snd_card_file_remove+0x76/0x120 > > ? snd_pcm_playback_ioctl+0x1c7/0x560 > > ? dput+0xb6/0x1e0 > > ? SyS_ioctl+0xa7/0x860 > > ? task_work_run+0x70/0xa0 > > ? entry_SYSCALL_64_fastpath+0x13/0x94 > > > > Only a reboot will fix the issue. > > Is this a regression? Yes. 4.11 is fine. -- Markus _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel