Public bug reported:
Binary package hint: pulseaudio
After some unknown period of time (I haven't been able to find a pattern
here), an otherwise working pulseaudio daemon starts crackling, popping
and stuttering during playback. It can suddenly start happening while
I'm playing audio (doesn't matter what application) or while I'm not
playing audio (like overnight, and I come back to a distorted playback).
Restarting pulseaudio (pulseaudio -k ; sleep 5 ; pulseaudio -D) seems to
fix it (until it happens again).
ALSA doesn't need restarting or reloading in this situation, just
pulseaudio, and the applications that use it. So whenever I restart
pulseaudio, I have to restart the browser and music player.
(incidentally, I tried to run the utils_alsa-info.sh, which seemed to
run fine, but it didn't report where it uploaded the info, so I'll try
to attach the relevant file here).
I do get the following errors in user.log when I restart pulseaudio:
Feb 26 07:42:17 krazykat pulseaudio[17762]: alsa-util.c: Device plug:dmix
doesn't support 44100 Hz, changed to 48000 Hz.
Feb 26 07:42:17 krazykat pulseaudio[17762]: alsa-util.c: Error opening PCM
device hw:0: Device or resource busy
Feb 26 07:42:17 krazykat pulseaudio[17762]: module.c: Failed to load module
"module-alsa-sink" (argument: "device_id=0
sink_name=alsa_output.pci_8086_24c5_sound_card_0_alsa_playback_0"):
initialization failed.
...but sound works (for a while) after that, and the bug searches I did
on those errors were all about sound not working.
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
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Pulseaudio starts distrorting after indefinate time, then needs restart.
https://bugs.launchpad.net/bugs/334874
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