Control: tags -1 moreinfo On Thu, Apr 6, 2017 at 11:47 PM, Vladimir K <[email protected]> wrote: > Package: pulseaudio > Version: 10.0-1 > Severity: normal > > Dear Maintainer, sound is interrupted occasionally when pulseaudio is > installed. > Every 1-10 minutes there is an audible glitch. Playback source does not > matter, > it happens with mpv, firefox, wine and other applications. > > The problem does not correlate with CPU usage or anything visibly happening > in the > system. It happens both with and without rtkit installed. > > Also I should point out that this bug never ever occurred without pulseaudio, > so hardware or ALSA issue is highly unlikely. > > Output of 'pulseaudio -vvvv --log-time=1' at the time of stutter: > > (1372.884| 584.857) I: [alsa-sink-92HD93BXX Analog] alsa-sink.c: Scheduling > delay of 153.11 ms > 15.01 ms, you might want to investigate this to improve > latency... > (1372.884| 0.000) I: [alsa-sink-92HD93BXX Analog] ratelimit.c: 109 events > suppressed > (1372.884| 0.000) I: [alsa-sink-92HD93BXX Analog] alsa-sink.c: Underrun! > (1372.884| 0.000) I: [alsa-sink-92HD93BXX Analog] alsa-sink.c: Increasing > minimal latency to 1.00 ms > (1372.884| 0.000) D: [alsa-sink-92HD93BXX Analog] alsa-sink.c: Latency set > to 25.01ms > (1372.884| 0.000) D: [alsa-sink-92HD93BXX Analog] alsa-sink.c: > hwbuf_unused=61124 > (1372.884| 0.000) D: [alsa-sink-92HD93BXX Analog] alsa-sink.c: setting > avail_min=15723 > (1372.884| 0.000) D: [alsa-sink-92HD93BXX Analog] alsa-sink.c: Latency set > to 25.01ms > (1372.884| 0.000) D: [alsa-sink-92HD93BXX Analog] alsa-sink.c: > hwbuf_unused=61124 > (1372.884| 0.000) D: [alsa-sink-92HD93BXX Analog] alsa-sink.c: setting > avail_min=15723 > (1372.884| 0.000) D: [alsa-sink-92HD93BXX Analog] protocol-native.c: > Implicit underrun of 'AudioStream' > (1372.885| 0.000) D: [alsa-sink-92HD93BXX Analog] protocol-native.c: > Requesting rewind due to end of underrun. > (1372.885| 0.000) D: [alsa-sink-92HD93BXX Analog] alsa-sink.c: Requested to > rewind 15540 bytes. > (1372.885| 0.000) D: [alsa-sink-92HD93BXX Analog] alsa-sink.c: Limited to > 4060 bytes. > (1372.885| 0.000) D: [alsa-sink-92HD93BXX Analog] alsa-sink.c: before: 1015 > (1372.885| 0.000) D: [alsa-sink-92HD93BXX Analog] alsa-sink.c: after: 1015 > (1372.885| 0.000) D: [alsa-sink-92HD93BXX Analog] alsa-sink.c: Rewound 4060 > bytes. > (1372.885| 0.000) D: [alsa-sink-92HD93BXX Analog] sink.c: Processing > rewind... > (1372.885| 0.000) D: [alsa-sink-92HD93BXX Analog] sink.c: latency = 2322 > (1372.885| 0.000) D: [alsa-sink-92HD93BXX Analog] sink-input.c: Have to > rewind 4060 bytes on render memblockq. > (1372.885| 0.000) D: [alsa-sink-92HD93BXX Analog] sink-input.c: Have to > rewind 4060 bytes on render memblockq. > (1372.885| 0.000) D: [alsa-sink-92HD93BXX Analog] source.c: Processing > rewind... >
This looks like a kernel problem. There is a related redhat bug log[1] and a kernel one[2], that suggests disabling the wireless interface might avoid the problem. Could you try that? [1] https://bugzilla.redhat.com/show_bug.cgi?id=1262957 [2] https://bugzilla.kernel.org/show_bug.cgi?id=108461 -- Saludos, Felipe Sateler

