https://bugs.freedesktop.org/show_bug.cgi?id=87856
--- Comment #5 from Alex Deucher <alexdeucher at gmail.com> --- (In reply to kristof from comment #4) > PS : can someone tells me if it this an "abnornal" things in the last dmesg > | egrep 'drm|radeon' please ? > > Thanks and have a nice day The kernel side looks fine. It appears to be a problem with the usermode stack. You might be able to work around it by disabling acceleration. Try adding: Option "NoAccel" "True" to the device section of your xorg config. I'm not really sure how well the usermode stuff works on BE systems. -- You are receiving this mail because: You are the assignee for the bug. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20150518/be21073d/attachment.html>