[Blink] Blink hangs on Linux when accessing sound device
Adrian Georgescu
ag at ag-projects.com
Mon Dec 6 11:00:05 CET 2010
So switching from the built-in device to an external USB fixed the CPU usage? Interesting discovery, thank you for sharing!
Adrian
On Dec 6, 2010, at 10:17 AM, Moritz Bunkus wrote:
> Hey,
>
> back at work I can play around with Blink again. Some more information.
>
> I'm running with PulseAudio started from a KDE session. Blink goes to
> 100% CPU as soon as I start it. ~/.blink/config lists "system_default"
> as the audio devices for all three even if I change them to the
> Sennheiser headset or if I change them to "pulse" via the configuration
> dialog -- somehow the settings are not saved (might have to do with
> Blink not shutting down cleanly 80% of the time -- even after waiting 2
> minutes the process is still running and I have to kill it manually).
>
> If I edit ~/.blink/config and set the device strings to "pulse" then
> Blink behaves the same as before, but the configuration dialog at least
> shows "pulse" to be selected as the audio devices instead of "System
> default". I guess that "system default" is the same as "pulse" if
> PulseAudio is running.
>
> I tried stopping PulseAudio and using Blink without it, but that
> seems... well... difficult as it is restarted automatically.
>
> However, something very interesting just happened. I started pavucontrol
> while Blink was running at 100% CPU. Switched to the "Recording"
> tab. There the "ALSA plugin [Python-2.6]" was using "Internal Audio
> Analog Stereo". As soon as I switched that to "Sennheiser USB headset
> analog mono" CPU usage went down instantly.
>
> Cannot test more at the moment, because our internal SIP box is down.
>
> Regards,
> Mosu
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