#StackBounty: #20.04 #pulseaudio snd_pcm_avail() returned a value that is exceptionally large

Bounty: 100

I installed for the first time Ubuntu on my Thinkpad xCarbon x1 2019 a month ago.

Since I installed, I am facing random crashes of Ubuntu, and after a lot of time watching the log cause I found the same pattern over and over before the crash =>

Oct 8 17:31:23 The-Arch pulseaudio[1969]: snd_pcm_avail() returned a value that is exceptionally large: 6311616 bytes (32873 ms).

This seems to happen before all the crash, it lookslike is due to audio, and indeed, every time it crash I am either on a Hangout call, watching a video or listening to music.

It is really painful, and I tried to find fix online, but most of the bugzilla ticket appear to be unsolved or verryyy old.


I would like to know if some experienced user might know a way to not face this problem anymore.

Thank you

Get this bounty!!!

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