(In reply to Sander Lienaerts from comment #231)
> Been following this thread for a while now. Can't believe this has been
> known for 3 months, without a fix released.
> 
> Just a moment ago a random freeze occurred running Firefox and other
> applications, no games. Spotify kept playing in the background. Cursor not
> moving and unable to open another shell.
> 
> This happened with AMD_DEBUG="nongg,nodma" enabled. Running kernel 5.4rc7
> and Mesa 19.2.4.

I'm currently using kernel 5.4 and mesa-git (using lcarlier repo, it's written
mesa 20 but there is no mesa 20 on the git repository so ...) on Arch and I'm
not having any hang or freeze so it seems to be fixed but maybe I'm lucky.