Created attachment 115052 [details] dmesg info System Environment: ----------------------------------------------------- Regression: not sure Non-working platforms: BDW ==Kernel== -------------------------------------------------- commit 631c2f8cb69ecbd7dd0494c37dd3c7fbd04de928 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Sat Apr 11 00:21:05 2015 +0200 drm-intel-nightly: 2015y-04m-10d-22h-20m-20s UTC integration manifest ==Bug detailed description== igt/kms_flip@flip-vs-modeset-vs-hang causes GPU hang on BDW, it still exists the latest fixes(5df058) branch. Case list: flip-vs-modeset-vs-hang-interruptible igt@kms_flip@flip-vs-panning-vs-hang igt@kms_flip@flip-vs-panning-vs-hang-interruptible Output: ---------------------------- root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_flip --run-subtest flip-vs-modeset-vs-hang IGT-Version: 1.10-g007ff02 (x86_64) (Linux: 4.0.0-rc7_drm-intel-nightly_631c2f_20150411+ x86_64) Using monotonic timestamps Beginning flip-vs-modeset-vs-hang on crtc 20, connector 31 1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780 .. flip-vs-modeset-vs-hang on crtc 20, connector 31: PASSED Beginning flip-vs-modeset-vs-hang on crtc 24, connector 31 1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780 .. flip-vs-modeset-vs-hang on crtc 24, connector 31: PASSED Beginning flip-vs-modeset-vs-hang on crtc 28, connector 31 1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780 .. flip-vs-modeset-vs-hang on crtc 28, connector 31: PASSED Subtest flip-vs-modeset-vs-hang: SUCCESS (35.644s) 1,./kms_flip --run-subtest flip-vs-modeset-vs-hang
The test name has "hang" in it for a reason. If it doesn't cause hang, then we would have a bug.
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