https://bugs.freedesktop.org/show_bug.cgi?id=44422
--- Comment #7 from Alex Deucher agd5f@yahoo.com 2012-01-03 09:24:43 PST --- I'm not sure off hand. You might try some of these instructions: http://linux-tipps.blogspot.com/2009/03/fixing-high-latency-with-kde4-displa... Alternatively, you could try starting just X (no desktop) in single user mode and see if you are still getting the issue.