I've been able to consistently reproduce the corruption and crash. Attached is screenshot of the corruption before the crash.
** Attachment added: "steam big picture mode corruption on 3 displays" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1237697/+attachment/3901985/+files/Screenshot%20from%202013-11-06%2012%3A43%3A31.png ** Tags added: corruption -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1237697 Title: Xorg crashed with SIGABRT in memcpy() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1237697/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs