On Fri, 13 Jan 2017 20:42:06 +0100, Enrico Mioso wrote: > > Hello guys. > I finally can report some interesting news. > Now audio stopped working - still, the system didn't panic. So I consider this a good good point. > My system is alive and I can keep it alive indefinitely, clearly if hardware doesn't break and/or other events out of my control cause an interruption. > > In my dmesg, the following messages started to appear: > snd_hda_intel 0000:00:1b.0: azx_get_response timeout, switching to polling mode: last cmd=0x020c0000 I suppose the last_cmd value isn't always same? > snd_hda_codec_realtek hdaudioC0D0: Unable to sync register 0x1f0e00. -5 Hm, this might be an invalid verb. > And they appear apparently when the driver tries to send new commands to the device, but this is only my impression. > Let me know what I could do to report on what's happening. My system is acually running with kdump active, so in case I may also invoke the crash sysrq action and send back results. When a crash no longer happens, kdump isn't needed. Instead, we need to track what triggers the stall. Try to enable the tracepoint, as mentioned in Documentation/sound/hd-audio/notes.rst. thanks, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel