[Bug 90920] New: [HSW] GPU hangs when suspending-to-memory for second time

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90920

            Bug ID: 90920
           Summary: [HSW] GPU hangs when suspending-to-memory for second
                    time
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: libin.yang at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Regression?
 yes

Bug detailed description
 S3 failed at second times
 Reproduce Steps
 $ echo mem > /sys/power/state

Expected Result
 system will suspend and resume normally

Actual Result
 cannot suspend at second times

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