This happens for me with several applications, e.g. glxgears, cheese, flash 11.2 r202 in firefox (but not in google-chrome with pepper flash) on 13.04. It was ok with 12.04 and 12.10 .
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 12) Dell Vostro 3400 libgl1-mesa-dri:amd64 9.1.1-0ubuntu3 libgl1-mesa-dri:i386 9.1.1-0ubuntu3 libgl1-mesa-glx:amd64 9.1.1-0ubuntu3 libgl1-mesa-glx:i386 9.1.1-0ubuntu3 xserver-xorg-video-intel 2:2.21.6-0ubuntu uxa seems to "work" but I see this at the end of Xorg.0.log : [455319.129] (EE) intel(0): Detected a hung GPU, disabling acceleration. [455319.129] (EE) intel(0): When reporting this, please include i915_error_state from debugfs and the full dmesg. If I don't use uxa I can get the programs to work if I use : LIBGL_ALWAYS_SOFTWARE=1 ./program (e.g. glxgears) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/932900 Title: Unity freeze, crashes when trying to restart - GPU lockup with IPEHR: 0x7a000002 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/932900/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
