Alberto Mardegan, as this report is closed, you don't have the same issue. However, if you would like your issue addressed, please file a new report via a terminal: ubuntu-bug xorg
Please ensure you have xdiagnose installed, and that you click the Yes button for attaching additional debugging information. Also, please feel free to subscribe me to it. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/1392727 Title: radeon 0000:02:00.0: ring 0 stalled for more than 10008msec Status in xserver-xorg-video-ati package in Ubuntu: Invalid Bug description: Screen freezes and displays checkerboard like corruption. Kernel log contains: Nov 14 07:44:35 gromit kernel: [211056.796329] radeon 0000:02:00.0: ring 0 stalled for more than 10000msec Nov 14 07:44:35 gromit kernel: [211056.796333] radeon 0000:02:00.0: GPU lockup (waiting for 0x000000000055a9fd last fence id 0x000000000055a9fc on ring 0) Nov 14 07:44:35 gromit kernel: [211056.796337] radeon 0000:02:00.0: failed to get a new IB (-35) Nov 14 07:44:35 gromit kernel: [211056.796339] [drm:radeon_cs_ib_fill] *ERROR* Failed to get ib ! Nov 14 07:44:35 gromit kernel: [211056.907483] radeon 0000:02:00.0: Saved 1111 dwords of commands on ring 0. Nov 14 07:44:35 gromit kernel: [211056.907503] radeon 0000:02:00.0: GPU softreset: 0x0000010D (full log attached) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1392727/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp