[pulseaudio-tickets] [Bug 101697] Sound disappears w/ LG connected with display port

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101697

--- Comment #1 from Tanu Kaskinen <tanuk at iki.fi> ---
Can you run "pactl list" when sound is working and attach the output here (as
an attachment, not as a comment, because the output is so long)?

>From the log I was able to gather that when pulseaudio started, the HDMI/DP
card was being used by some other process. Then apparently the other process
stopped using the card, and pulseaudio started to probe it, but during the
probing again the third HDMI/DP device was busy again. There were three HDMI/DP
devices that were not busy, but they were not connected to anything either.
(Even if you have just one physical HDMI/DP connector, it's normal to have
several devices appearing in alsa, they are just not connected anywhere.)

Try running "lsof /dev/snd/pcm*" when you notice a problem. That command will
list all processes that have alsa PCM devices open. If some other program is
using the sound card directly, that will cause problems with pulseaudio.

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