[Pkg-alsa-devel] Bug#912921: libasound2-plugins: Crashes pulseaudio

[Elimar Riesebieter]

* Adrian Heine <debian at adrianheine.de> [2018-11-04 23:29 +0100]:

> Package: libasound2-plugins
> Version: 1.1.7-2
> Severity: important
> 
> After the upgrade, pulseaudio produces a segmentation fault with my
> Focusrite Scarlett Solo USB attached.
> 
> Stack trace without debug symbols:
> 
> #0  0x0000000000000050 in  ()
> #1  0x00007ffff079c535 in snd_pcm_munmap () at /usr/lib/x86_64-linux-gnu/libasound.so.2
> #2  0x00007ffff078a75b in snd_pcm_close () at /usr/lib/x86_64-linux-gnu/libasound.so.2
> #3  0x00007ffff079cda1 in  () at /usr/lib/x86_64-linux-gnu/libasound.so.2
> #4  0x00007ffff078a795 in snd_pcm_close () at /usr/lib/x86_64-linux-gnu/libasound.so.2
> #5  0x00007ffff0890ca2 in _snd_pcm_a52_open () at /usr/lib/x86_64-linux-gnu/alsa-lib/libasound_module_pcm_a52.so

I assume there is a problem with the libasound_module_pcm_a52.so
module which doesn't load correct or is unloaded by pulse.

There is a similar bug in https://bugs.archlinux.org/task/60616.
Upstream has a patch at 
http://git.alsa-project.org/?p=alsa-plugins.git;a=commit;h=a4e7e1282c57a2f4e83afe9a4008042d8b4c5bb9
which I can't test because here is no a52 device available......

Elimar
-- 
  Excellent day for drinking heavily.
  Spike the office water cooler;-)
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