[Bug 84358] New: [BSW Regression]igt/gem_render_copy_redux/flink-interruptible causes system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84358

          Priority: highest
            Bug ID: 84358
          Keywords: bisect_pending
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BSW
                    Regression]igt/gem_render_copy_redux/flink-interruptib
                    le causes system hang
        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

==System Environment==
--------------------------
Regression: Yes.
Good commit on -next-queued: 648fb42d1e77cf90cddea2b1cf1f4ac4453e65e6

Non-working platforms: BSW

==kernel==
--------------------------
origin/drm-intel-nightly: 7101d84020f63f1da7e0c5d021cdd6be4d515de5(fails)
    drm-intel-nightly: 2014y-09m-25d-15h-14m-02s UTC integration manifest
origin/drm-intel-next-queued: 7ca5a41f4da201371e131fc0641033652f76bf30(fails)
    drm/i915: Avoid re-configure panel on every PSR re-enable.
origin/drm-intel-fixes: c84db77010877da6c5da119868ed54c43d59e726(fails)
    drm/i915/hdmi: fix hdmi audio state readout

==Bug detailed description==
-----------------------------
igt/gem_render_copy_redux/flink-interruptible causes system hang

unable to get dmesg because system hang.

==Reproduce steps==
---------------------------- 
1. ./gem_render_copy_redux --run-subtest flink-interruptible

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