[Bug 87772] New: Kernel gets tainted with warning

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87772

            Bug ID: 87772
           Summary: Kernel gets tainted with warning
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: gilles.philippe.morin at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

Here is a sample of my dmesg just after log in: http://fpaste.org/163276/

As pointed out on Google+
(https://plus.google.com/106350121860084674477/posts/WUtZZAirnfn), the first
trace on line 901 is 'CPU: 0 PID: 1127 Comm: Xorg.bin Not tainted
3.17.7-300.fc21.x86_64 #1' while the others are 'CPU: 0 PID: 1127 Comm:
Xorg.bin Tainted: G        W      3.17.7-300.fc21.x86_64 #1'. In between, there
is a warning on line 922: 'WARNING: CPU: 0 PID: 1127 at
drivers/gpu/drm/i915/intel_display.c:5034 intel_modeset_check_state+0x6ec/0x7b0
[i915]()'

I use Fedora 21 64-bit.
Processor: Intel® Pentium(R) Dual CPU T2390 @ 1.86GHz × 2
Graphics: Intel® 965GM
GNOME Shell 3.14.2
Kernel: 3.17.7-300.fc21.x86_64

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