I will try the patch mentionned in the bug report and report back. Many thanks. <div class="gmail_quote">On Tue, May 11, 2010 at 4:00 PM, Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="im">On Tue, 11 May 2010 14:58:35 -0400, phil lemelin <<a href="mailto:phil.lemelin@gmail.com">phil.lemelin@gmail.com</a>> wrote: > Good evening list, > > I'm having a reproducible issue with the X when using "vmg" ( > <a href="http://magnifier.sourceforge.net/" target="_blank">http://magnifier.sourceforge.net/</a> ). It will systematically make the Xorg > process use 100% cpu and basically locks the machine. I just start it, move > it around and I hit the issue. </div>Sounds like <a href="https://bugzilla.kernel.org/show_bug.cgi?id=15911" target="_blank">https://bugzilla.kernel.org/show_bug.cgi?id=15911</a> -- Chris Wilson, Intel Open Source Technology Centre </blockquote></div> Phil.