User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:98.0) Gecko/20100101 Firefox/98.0

Steps to reproduce:

Using Firefox Nightly (ASAN build) on ubuntu 21.10.

Actual results:

Audio stops working after using the browser a couple of minutes; however it does work initially. Also, firefox asks whether I'd like to install PulseAudio (which is installed already).
I ran Firefox with 'MOZ_LOG=MediaDecoder:5,AudioStream:5,cubeb:5' and am attaching the logs.

Thanks for reporting this! I'll investigate. As a workaround, you can flip the pref "media.cubeb.sandbox_v2" to false and restart Firefox to avoid this issue.

Set release status flags based on info from the regressing bug 1726279

We have multiple reports of audio being broken on Linux since the landing of bug 1726279. Setting as blocker for 98 as we can't ship without audio on a tier 1 platform.

Changing the priority to p2 as the bug is tracked by a release manager for the current nightly.
See What Do You Triage for more information

Bug 1750810 will revert this change for Linux in Nightly 98 until the existing issues are resolved.

This is still disabled via bug 1750810, so not currently affecting 98.

This is likely fixed by the same change required to solve bug 1750477.

The fixes in bug 1757473 should address this issue.

Fixed by bug 1757473.