[Bug 75963] New: [PNV ILK Regression]system boot fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75963

          Priority: high
            Bug ID: 75963
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [PNV ILK Regression]system boot fail
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: critical
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 95483
  --> https://bugs.freedesktop.org/attachment.cgi?id=95483&action=edit
dmesg

System Environment:
--------------------------
Platform: Ironlake/Pineview
kernel:   drm-intel-nightly/32faf6da913d67a4a3fcddd810305ec3445ed581

Bug detailed description:
---------------------------
Clean system, system boot fail. It happens on Ironlake and Pineview with
-nightly and -queued kernel.
On Pineview, screen is black, can't connect via ssh.
On Ironlake, screen is black, connect successfully via ssh. Run xinit or
reboot, System is no response.

The latest known good commit: eb162c62dbeb3424c061f057e47edfa88e235ca1
The latest known bad commit: 484b41dd70a9fbea894632d8926bbb93f05021c7

Reproduce steps:
-------------------------
1. clean system

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