[Bug 87584] New: ../drivers/gpu/drm/i915/intel_display.c:1231 assert_panel_unlocked+0xe3/0x100 [i915]() Dez 22 11:15:24 cpqgymhim06 kernel: panel assertion failure, pipe A regs locked

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87584

            Bug ID: 87584
           Summary: ../drivers/gpu/drm/i915/intel_display.c:1231
                    assert_panel_unlocked+0xe3/0x100 [i915]() Dez 22
                    11:15:24 cpqgymhim06 kernel: panel assertion failure,
                    pipe A regs locked
           Product: xorg
           Version: 7.6 (2010.12)
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: F.Schuette at t-online.de
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

Created attachment 111168
  --> https://bugs.freedesktop.org/attachment.cgi?id=111168&action=edit
journalctl -e interesting part

Hardware name: ASUSTeK COMPUTER INC. X200MA/X200MA, BIOS X200MA.302 01/21/2014

The screen switches off during boot and stays off. In the log files I find some
stack traces which I will attach.

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