Ubuntu
pulseaudio package

  1. Bug #996906
  2. Comment #44

Comment 44 for bug 996906

Revision history for this message
In , Rkfg (rkfg) wrote :

Created attachment 113083
Underruns with prealloc=2048

I was able to leverage the "Underrun!" issue by setting prealloc to 2048 in kernel options (recompiled it). It can also be achieved via echo 2048 > /proc/asound/card0/pcm0p/sub0/prealloc without recompiling. Wonder why 64 is still default in Debian/Ubuntu. So it doesn't change the latency/watermark now this hard. However, I still get "Underrun!" after launching LMMS. It also spams the syslog with

Feb 03 08:58:35 work pulseaudio[1895]: Pool full

And there are still clicks in the playback from time to time.