(In reply to Timothy Arceri from comment #2) > Hi Ian, > > Is this still a problem with a recent version of Mesa? Tested with a just updated ubuntu 18.04 + padoka unstable. The problem still exists. > If so do you think you could get an apitrace [1] of the problem? > > [1] https://github.com/apitrace/apitrace/wiki/Steam Will do, later today or tomorrow.