Comment # 1 on bug 110214 from Michel Dänzer

Please attach the corresponding Xorg log file and output of glxinfo and dmesg.

I can't seem to reproduce this, and I'm not sure what exactly "parts of the
scrollback buffer disappear" means. Maybe you can make a screencast or
screenshots demonstrating the problem?

Anyway, this is more likely an issue between glamor and Mesa than in the kernel
driver. Reassigning to Mesa for now, as glamor issues are no longer tracked
here.