[pulseaudio-discuss] Assertion failed while switching card profiles

Iskren Hadzhinedev i.hadzhinedev at gmail.com
Sun Jan 26 11:53:29 PST 2014

On Sunday 26 January 2014 21:18:29 Tanu Kaskinen wrote:
> On Sat, 2014-01-25 at 00:43 +0200, Iskren Hadzhinedev wrote:
> > I have a Marmitek BoomBoom 540 bluetooth headset.
> > I connected it with the hsp profile and setup the microphone to be the
> > preferred recording device in KDE sound settings. Then I switched the
> > profile to a2dp for high-quality audio. When the Bluetooth microphone is
> > unavailable KDE falls back to the integrated one in the laptop.
> > When I fire a recording application it's playing through the Bluetooth
> > headset while using the integrated laptop microphone. When I switch the
> > profile from a2dp to hsp the bluetooth microphone gets re-registered and
> > KDE switches automatically to the preferred device and that's where the
> > assertion failed message pops and pulseaudio stops. I can switch to hsp
> > before running a recording application and after launching it, it's using
> > the headset microphone without issues. I can switch from hsp to a2dp in
> > that case and it switches to the laptop mic as expected, but reverting
> > from a2dp back to hsp aborts the daemon again.
> > I'm attaching a backtrace as per instructions from
> > http://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/Com
> > munity/ If there's something I'm missing please tell me so I can provide
> > more information.
> > Thank you for your time!
> Thanks, the backtrace was very useful, as was the detailed description
> of how to reproduce the crash. I sent a patch ("device-manager: Don't
> try to use unlinked devices"), and I verified that it fixes the crash.

I just rebuilt Pulse 4.0 with that patch and it's working flawlessly.
Thank you!

Kind regards,

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