[Bug 89350] New: [BSW]latest kernel cause BSW fail to start up.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89350

            Bug ID: 89350
           Summary: [BSW]latest kernel cause BSW fail to start up.
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: hengx.ding at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

==System Environment==
--------------------------
Non-working platforms: BSW

Regression :No, this is a new issue.

==kernel==
--------------------------
origin/drm-intel-nightly: 376ebc108c774b357e211b5fc0aab558fc89ede9(2015-02-27)  


==Bug detailed description==
-----------------------------
start BSW with latest kernel will fail, monitor will fail to show anything
after the kernel is loaded. We've no idea where it stops. Start up process will
turn normal when switch to an earlier kernel(nightly branch 2015-02-13 will
work).



==Reproduce steps==
---------------------------- 
 Boot up with latest kernel

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