To the best of my knowledge the issue started happening when the kernel was upgraded. That being said, the Firefox process that seemingly causes stalls is a snap so it is using its own mesa and not the host one, and I can't speak to the snap's mesa version.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/2083538 Title: amdgpu: [mmhub] page fault (src_id:0 ring:8 vmid:6 pasid:32781 / Fence fallback timer expired on ring sdma0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2083538/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp