I found a solution. It is the glitch free audio again. If I append tsched=0 to the line: load-module module-udev-detect in /etc/pulse/default.pa the audio/video work correctly. Here are some logs that may be relevant.
Sep 1 19:29:14 virgil-laptop rtkit-daemon[1410]: The canary thread is apparently starving. Taking action. Sep 1 19:29:14 virgil-laptop rtkit-daemon[1410]: Demoting known real-time threads. Sep 1 19:29:14 virgil-laptop rtkit-daemon[1410]: Successfully demoted thread 1652 of process 1589 (n/a). Sep 1 19:29:14 virgil-laptop rtkit-daemon[1410]: Successfully demoted thread 1589 of process 1589 (n/a). Sep 1 19:29:14 virgil-laptop rtkit-daemon[1410]: Demoted 2 threads. Sep 1 20:36:06 virgil-laptop pulseaudio[1589]: alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write! Sep 1 20:36:06 virgil-laptop pulseaudio[1589]: alsa-sink.c: Most likely this is a bug in the ALSA driver 'snd_hda_intel'. Please report this issue to the ALSA developers. Sep 1 20:36:06 virgil-laptop pulseaudio[1589]: alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail. -- Pulseaudio log shows a lot of ratelimit.c: events, as well as other issues https://bugs.launchpad.net/bugs/629339 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
