could be the "[ 853.460462] [drm:i915_gem_do_execbuffer] *ERROR* Object ffff88003d88a600 appears more than once in object list" line
Could you add your Xorg.0.log and Xorg.0.log.old to the bug after getting the issue? -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm in ubuntu. https://bugs.launchpad.net/bugs/693446 Title: Switch user loses session and logs out -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
