[Bug 84308] New: [HSW/BDW/BSW Regression]System freezes on screen "Stopping Mount network filesystems" insteat of changing to login console

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84308

          Priority: medium
            Bug ID: 84308
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW/BDW/BSW Regression]System freezes on screen
                    "Stopping Mount network filesystems" insteat of
                    changing to login console
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: lei.a.liu at intel.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 106828
  --> https://bugs.freedesktop.org/attachment.cgi?id=106828&action=edit
dmesg

==System Environment==
--------------------------
Regression: Yes. Good commit:
9bbfd20abe5025adbb0ac75160bd2e41158a9e83(drm-intel-fixes).
        drm/i915: don't try DP_LINK_BW_5_4 on HSW ULX

Non-working platforms: BSW

==kernel==
--------------------------
-nightly: c920de3c631831526889a384b21da169b16b5c45 (fails)
    drm-intel-nightly: 2014y-09m-22d-12h-46m-45s UTC integration manifest
-queued: b680c37a4d145cf4d8f2b24e46b1163e5ceb1d35 (fails)
    drm/i915: DocBook integration for frontbuffer tracking
-fixes: 0f33be009b89d2268e94194dc4fd01a7851b6d51 (fails)
    Linux 3.17-rc6
==Bug detailed description==
-----------------------------
System freezes on screen "Stopping Mount network filesystems" insteat of
changing to login console. I attach a freezing screen picture. System is alive.
I have to type CL "chvt 1" or press "ctrl + alt + F1" to change to login
console.

==Reproduce steps==
1. boot machine up

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