https://bugs.freedesktop.org/show_bug.cgi?id=50655
--- Comment #39 from Erik Jørgensen eoj198+FOSS@gmail.com --- Created attachment 75272 --> https://bugs.freedesktop.org/attachment.cgi?id=75272&action=edit Possible fix for R600 hw deadlock
Patch has been tested on a system with AMD K8 CPU and Radeon AGP card (AMD RV670 / Radeon HD 3850) with both 3.6.11-030611-generic kernel (from Ubuntu kernel PPA mainline) and kernel built from recent drm-fixes git in the testing. This patch may also be relevant to reported Bug 47116 .