[Bug 106160] New: MacBook 2,1 hangs during boot

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Apr 20 20:43:20 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=106160

            Bug ID: 106160
           Summary: MacBook 2,1 hangs during boot
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: nicholasbishop at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

The machine hangs early in the boot process with some screen corruption
(usually horizontal white lines), no kernel messages are visible.

I bisected this in the stable kernel to this commit:

50018d09843cc4813f1c2b89ff8fbcdf883ab0a3
drm/i915: Redo plane sanitation during readout

The preceeding commit works fine:

19d8e5122fefc3e424050a78063f0d385433e191
drm/i915: Add .get_hw_state() method for planes

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