[Bug 85583] New: [BDW] Screen starts to flicker after I start X or back to console from X

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85583

            Bug ID: 85583
           Summary: [BDW] Screen starts to flicker after I start X or back
                    to console from X
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: lilix.cheng at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 108605
  --> https://bugs.freedesktop.org/attachment.cgi?id=108605&action=edit
dmesg and xorg log

Environment:
-----------------------------------
Platform:BDW
Libdrm:(master)libdrm-2.4.58-4-g00847fa48b83a85b0cb882594a12ed1511f780db
Mesa:(master)1a170980a09d82201b88e3fe20684a0df2cfea80
Xserver:(master)xorg-server-1.16.0-429-gd181e52ceb9ae44e1faa8d5af8805f43328da6c2
Xf86_video_intel:(master)2.99.916-118-gd08a5f555a0c47ae23c0f9a890b512cb23e74feb
Cairo:(master)f9b65ae1fc91bc558a01c2ad7be5a121c6f10818
Libva:(master)ccd93de5a707e92a629cccd595757c8d436fa3cc
Libva_intel_driver:(master)f11176415ec26eb5960ba6841d2d9c22f2cabc60
Kernel:(drm-intel-nightly)88a443f454a4d8f779a9bff51f2ef334f5f69372

Bug detailed description:
---------------------------------------------
1.Screen starts to flicker after I start X or back to console from X. Please
refer to attachment for dmesg.log and Xorg log.
2. Video link http://youtu.be/vWd46hqJC4Q .
Bug 83130 has been VERIFIED FIXED,so it's the regression issue. 

Reproduce steps
---------------------------- 
1. xinit&
2. switch chvt 1 or 2 for several times

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