[Bug 81322] New: [BDW Regression]igt/kms_flip/vblank-vs-modeset-rpm fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81322

          Priority: high
            Bug ID: 81322
          Keywords: bisect_pending
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BDW Regression]igt/kms_flip/vblank-vs-modeset-rpm
                    fails
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jinxianx.guo at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 102739
  --> https://bugs.freedesktop.org/attachment.cgi?id=102739&action=edit
dmesg

==System Environment==
--------------------------
Regression: Yes
It's a igt regression issue
Good commit on igt: 6b986a2044a2708f900454d7e23fcd0bbf68879d
Bad commit on igt: e74dd22ff89e007e637f16f661f06d4857a54224

Non-working platforms: BDW

==kernel==
--------------------------
origin/drm-intel-nightly: 271bff129a641b5b35d99c9eb0ceb866ca42f692(fails)
    drm-intel-nightly: 2014y-07m-12d-12h-07m-51s integration manifest
origin/drm-intel-next-queued: 491a3448622059b087d8c465b46b11f2953df7c1(fails)
    drm/i915: Enable PSR by default.
origin/drm-intel-fixes: ceb9f032dc858c349d7d213454c5ba2c6ef9c5e5(fails)
    Revert "drm/i915: Don't set the 8to6 dither flag when not scaling"

==Bug detailed description==
igt/kms_flip/vblank-vs-modeset-rpm fails

Output:
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./kms_flip
--run-subtest vblank-vs-modeset-rpm
IGT-Version: 1.7-ge74dd22 (x86_64) (Linux:
3.16.0-rc4_drm-intel-next-queued_491a34_20140714+ x86_64)
Using monotonic timestamps
Beginning vblank-vs-modeset-rpm on crtc 6, connector 17
  1920x1080 60 1920 1966 1996 2080 1080 1082 1086 1112 0xa 0x48 138780
.Test assertion failure function run_test_step, file kms_flip.c:951:
Failed assertion: igt_wait_for_pm_status(IGT_RUNTIME_PM_STATUS_SUSPENDED)
Subtest vblank-vs-modeset-rpm: FAIL
Test assertion failure function igt_install_exit_handler, file igt_core.c:1084:
Failed assertion: exit_handler_count < MAX_EXIT_HANDLERS
kms_flip: igt_core.c:655: igt_fail: Assertion `!test_with_subtests ||
in_fixture' failed.
Test assertion failure function kmstest_force_connector, file igt_kms.c:461:
Failed assertion: debugfs_fd != -1
Last errno: 2, No such file or directory
kms_flip: igt_core.c:655: igt_fail: Assertion `!test_with_subtests ||
in_fixture' failed.
Aborted
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# echo $?
134

==Reproduce steps==
---------------------------- 
1. ./kms_flip --run-subtest vblank-vs-modeset-rpm

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