Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: pulseaudio (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1881432
Title:
System hangs after pulseaudio error: "snd_pcm_avail() returned a value
that is exceptionally large: 125388 bytes (710 ms)"
Status in pulseaudio package in Ubuntu:
Confirmed
Bug description:
This is a bug on Ubuntu 20.04 (Focal Fossa) for pulseaudio version:
1:13.99.1-1ubuntu3.2.
Description:
At random intervals, pulseaudio gives the following error message:
"snd_pcm_avail() returned a value that is exceptionally large: 125388
bytes (710 ms)," after which the system slows down to a crawl. It has
occurred in two instances: while playing a video game, and while
working in two different workspaces with a zoom client and Spotify
open (though not actively playing any audio). The system is
recoverable with the SysRq key. I have not been able to duplicate it
on command, but it is recurrent.
Possible duplicates:
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1750947. The
patch committed to fix this bug was reverted to fix a subsequent bug,
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1767784.
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