[pulseaudio-tickets] [Bug 54029] Fail to hotplug Bose USB audio

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54029

--- Comment #12 from Tanu Kaskinen <tanuk at iki.fi> 2012-09-05 06:22:53 UTC ---
My guess is that when libasound reads the configuration too early, the
configuration is somehow not ready yet, and the unfinished configuration is
then cached by libasound so that as long as libasound is being linked to the
pulseaudio process, the configuration never gets updated. Once you unload all
modules that use libasound (i.e. all module-alsa-card instances), then
libasound gets unlinked too from the pulseaudio process. Subsequent loading of
module-alsa-card works, because now libasound properly reloads the
configuration which is ready at this point.

So, I blame alsa for everything... That's based on guessing only, though, so
I'll keep this bug open here at PulseAudio side too, in case someone wants to
dig deeper.

You can report the problem on the alsa-devel mailing list.

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