https://bugzilla.kernel.org/show_bug.cgi?id=107381
--- Comment #19 from Michel Dänzer michel@daenzer.net --- (In reply to Tabs from comment #18)
It stops the error messages for me, but I have the feeling that the UI is much slower (probably 2D accelaration has been disabled in the process).
You can check this in the Xorg log file.