[Bug 87347] New: [BSW Regression]igt/pm_rpm causes *ERROR* The master control interrupt lied (PM)!

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87347

            Bug ID: 87347
           Summary: [BSW Regression]igt/pm_rpm causes *ERROR* The master
                    control interrupt lied (PM)!
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: high
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: huax.lu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 110887
  --> https://bugs.freedesktop.org/attachment.cgi?id=110887&action=edit
dmesg

==System Environment==
--------------------------
Regression: Yes
good commit: 372ee59699d9704086dadb084209542d10e28851
bad commit: a505177768ef542012b031575ef919371b8a7b3b

Non-working platforms: BSW

==kernel==
--------------------------
drm-intel-next-queued/a505177768ef542012b031575ef919371b8a7b3b
drm-intel-nightly/b4c22753430d6d71438bc861695e08732f5b947f
drm-intel-fixes/b0616c5306b342ceca07044dbc4f917d95c4f825

==Bug detailed description==
--------------------------
It causes [   90.286286] [drm:gen8_gt_irq_handler.isra.15 [i915]] *ERROR* The
master control interrupt lied (PM)! on BSW with drm-intel-nightly and
drm-intel-next-queued ernel. It has bug 85908 on drm-intel-fixes kernel.

run ./pm_rpm --run-subtest cursor
output:
IGT-Version: 1.9-g6262f35 (x86_64) (Linux:
3.18.0_drm-intel-nightly_b4c227_20141215+ x86_64)
Runtime PM support: 1
PC8 residency support: 0
Subtest cursor: SUCCESS (10.132s)


==Reproduce steps==
---------------------------- 
1. ./pm_rpm --run-subtest cursor

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