Created attachment 105209 [details]
dmesg

==System Environment==
--------------------------
Regression: Not sure. 
The test causes system hang before (bug 81483)

Non-working platforms: BYT

==kernel==
--------------------------
origin/drm-intel-nightly: 257d90d13794c2eb545ab0d6c708f21e2a0378b6(fails)
    drm-intel-nightly: 2014y-08m-21d-10h-03m-09s integration manifest
origin/drm-intel-next-queued: 3a5f87c286515c54ff5c52c3e64d0c522b7570c0(causes system hang bug 81483)
    drm: fix plane rotation when restoring fbdev configuration
origin/drm-intel-fixes: 1a125d8a2c22b11741fc47d4ffcf7a5ffa044dd3(fails)
    drm/i915: don't try to retrain a DP link on an inactive CRTC

==Bug detailed description==
igt/kms_universal_plane/universal-plane-pipe-A-functional fails

Output:
root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_universal_plane --run-subtest universal-plane-pipe-A-functional
IGT-Version: 1.7-g4d2f511 (x86_64) (Linux: 3.17.0-rc1_drm-intel-nightly_257d90_20140824+ x86_64)
Testing connector eDP-1 using pipe A
Test assertion failure function functional_test_pipe, file kms_universal_plane.c:294:
Failed assertion: igt_crc_equal(&test.crc_5, &test.crc_9)
Subtest universal-plane-pipe-A-functional: FAIL
root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_universal_plane --run-subtest universal-plane-pipe-A-functional
IGT-Version: 1.7-g4d2f511 (x86_64) (Linux: 3.17.0-rc1_drm-intel-nightly_257d90_20140824+ x86_64)
Testing connector eDP-1 using pipe A
Test assertion failure function functional_test_pipe, file kms_universal_plane.c:270:
Failed assertion: igt_crc_equal(&test.crc_2, &test.crc_4)
Subtest universal-plane-pipe-A-functional: FAIL
root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_universal_plane --run-subtest universal-plane-pipe-A-functional
IGT-Version: 1.7-g4d2f511 (x86_64) (Linux: 3.17.0-rc1_drm-intel-nightly_257d90_20140824+ x86_64)
Testing connector eDP-1 using pipe A
Test assertion failure function functional_test_pipe, file kms_universal_plane.c:270:
Failed assertion: igt_crc_equal(&test.crc_2, &test.crc_4)
Subtest universal-plane-pipe-A-functional: FAIL
root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_universal_plane --run-subtest universal-plane-pipe-A-functional
IGT-Version: 1.7-g4d2f511 (x86_64) (Linux: 3.17.0-rc1_drm-intel-nightly_257d90_20140824+ x86_64)
Testing connector eDP-1 using pipe A
Test assertion failure function functional_test_pipe, file kms_universal_plane.c:294:
Failed assertion: igt_crc_equal(&test.crc_5, &test.crc_9)
Subtest universal-plane-pipe-A-functional: FAIL
root@x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_universal_plane --run-subtest universal-plane-pipe-A-functional
IGT-Version: 1.7-g4d2f511 (x86_64) (Linux: 3.17.0-rc1_drm-intel-nightly_257d90_20140824+ x86_64)
Testing connector eDP-1 using pipe A
Test assertion failure function functional_test_pipe, file kms_universal_plane.c:273:
Failed assertion: igt_crc_equal(&test.crc_1, &test.crc_5)
Subtest universal-plane-pipe-A-functional: FAIL


==Reproduce steps==
---------------------------- 
1. ./kms_universal_plane --run-subtest universal-plane-pipe-A-functional