The posting below didn't get any response yet, but the problem persists. Any hints, anyone? Thanks, Daniel On Tue, Mar 31, 2009 at 04:46:03PM +0200, Daniel Mack wrote: > I'm currently stress-testing my snd-usb-caiaq driver under several > environments and happen to see a number of such messages echoed once in > a while at the start of aplay (1.0.16): > > underrun!!! (at least 1558380812.470 ms long) > underrun!!! (at least 1558380818.673 ms long) > underrun!!! (at least 1558380812.465 ms long) > > Also, pulseaudio (0.9.14) keeps complaining with the following message > all over the place: > > E: module-alsa-sink.c: ALSA woke us up to write new data to the device, > but there was actually nothing to write! Most likely this is an ALSA > driver bug. Please report this issue to the PulseAudio developers. > > What puzzles me a bit is that I don't really know where and how the > driver could confuse the core so badly. All it reports is a valid > pointer to the current head in each substream. Is there anything else it > could provide for tighter syncing? Any hint how to debug this? Or maybe > it's not a bug in this specific driver but in the core somewhere? > > Thanks, > Daniel _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
