[Bug 29768] Constant xruns in alsa

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=29768

--- Comment #2 from doyob <doyob at yopmail.com> 2012-02-02 14:29:57 CST ---
Created attachment 38668
  --> http://bugs.winehq.org/attachment.cgi?id=38668
synthesia debug backtrace

How it all works:
1. I start jackd (used by dssi-vst)
jackd --realtime -Z -t 3000 --driver alsa --device "hw:Live" -p 512 -r 96000 &
2. Start dssi-vst with vst (MIDI synthesizer)
vsthost $HOME/.wine-music/drive_c/Program\ Files/Art\ Vista/Virtual\ Grand\
Piano/VSTPlugins/Virtual\ Grand\ PianoVST.dll
3. In VST GUI I load preset.
4. Start Synthesia.
5. In Synthesia options it's possible to select midi output. There is loaded
VST in the list.
6. After regression. Once Synthesia starts, there is flood of xrun warnings in
console. In a few seconds flood stops with:
**** alsa_pcm: xrun of at least 0.039 msecs
jackd watchdog: timeout - killing jackd
ERROR: Remote VST plugin communication failure in GUI thread
ERROR: Remote VST plugin communication failure in audio thread
Remote VST plugin audio thread: returning

7. dssi-vst killed. Synthesia works, but no sound on VST midi port (other ports
work).



dssi-vst uses wine, but doesn't react to WINEDEBUG. Attached Synthesia output
with debug channels.

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