Hello, the commit sna/gen7: Use GT2 values for GT2 variants http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/?id=235a3981ea9759317b392302a2b2b8f4fafab410 break sna acceleration. I use kde and when it start desktop is buggy with black butterfly like this http://imageshack.us/photo/my-images/132/bugvaapi.png/ I don't have time to do a screenshot so i use an old for illustrate it. xorg.log ... [ 28.705] (EE) intel(0): Detected a hung GPU, disabling acceleration. [ 28.705] (EE) intel(0): When reporting this, please include i915_error_state from debugfs and the full dmesg. ..... If i revert the commit that work like before lspci -vxxx -s 0:02.0 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller (rev 09) (prog-if 00 [VGA controller]) Subsystem: Micro-Star International Co., Ltd. Device 2111 Flags: bus master, fast devsel, latency 0, IRQ 44 Memory at f7800000 (64-bit, non-prefetchable) [size=4M] Memory at e0000000 (64-bit, prefetchable) [size=256M] I/O ports at f000 [size=64] Expansion ROM at <unassigned> [disabled] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [a4] PCI Advanced Features Kernel driver in use: i915 00: 86 80 52 01 07 04 90 00 09 00 00 03 00 00 00 00 10: 04 00 80 f7 00 00 00 00 0c 00 00 e0 00 00 00 00 20: 01 f0 00 00 00 00 00 00 00 00 00 00 62 14 11 21 30: 00 00 00 00 90 00 00 00 00 00 00 00 0b 01 00 00 40: 09 00 0c 01 92 80 80 e2 d0 00 50 14 00 00 00 00 50: 41 02 00 00 11 00 00 00 00 00 00 00 01 00 a0 cf 60: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90: 05 d0 01 00 0c f0 e0 fe e1 41 00 00 00 00 00 00 a0: 00 00 00 00 13 00 06 03 00 00 00 00 00 00 00 00 b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 d0: 01 a4 22 00 00 00 00 00 00 00 00 00 00 00 00 00 e0: 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00 f0: 00 00 00 00 00 00 00 00 00 00 09 00 18 60 43 cd See you
