[pulseaudio-tickets] [Bug 83446] PulseAudio crash caused by automatic deactivation of dedicated GPU's soundcard via vgaswicheroo

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83446

David Henningsson <david.henningsson at canonical.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |NOTOURBUG

--- Comment #1 from David Henningsson <david.henningsson at canonical.com> ---
>From your log:

(   0.118|   0.000) D: [pulseaudio] alsa-mixer.c: Checking for playback on
Digital Stereo (HDMI) (hdmi-stereo)
(   0.118|   0.000) D: [pulseaudio] alsa-util.c: Trying hdmi:2 with
SND_PCM_NO_AUTO_FORMAT ...
(  53.036|   0.011) D: [pulseaudio] alsa-util.c: Managed to open hdmi:2
(  53.036|   0.000) D: [pulseaudio] alsa-util.c: Maximum hw buffer size is 371
ms
(  53.041|   0.004) D: [pulseaudio] alsa-util.c: Set buffer size first (to 3528
samples), period size second (to 441 samples).

It takes 52 seconds to just open the ALSA device "hdmi:2". I assume this is
what you mean with "the sound system hangs". And it is most definitely a kernel
problem, nothing we can do about that in PulseAudio.

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