[Bug 81911] New: Kernel 3.16 WARNING: CPU drivers/gpu/drm/i915/intel_display.c (slowpath)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=81911

            Bug ID: 81911
           Summary: Kernel 3.16 WARNING: CPU
                    drivers/gpu/drm/i915/intel_display.c (slowpath)
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.16
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: rockorequin at hotmail.com
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

Created attachment 145691
  --> https://bugzilla.kernel.org/attachment.cgi?id=145691&action=edit
slowpath warning logs

I got this warning a couple of times to me today on a Dell L502x (Intel Core
i7-2630QM) and the PC froze for some time (30 seconds? A minute perhaps?)

When it happens, the severity is high because the PC locks up, but so far it
has only happened twice since the kernel went stable.

Logs attached.

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