[Bug 67454] After suspend/resume, screen is black for all but the highest levels with i915 driver on MacBook Air 6,2

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67454

--- Comment #33 from Sean V Kelley <sean.v.kelley at intel.com> ---
(In reply to comment #32)
> Sean, please try 3.11-rc3 kernel. There were a number of fixes in the
> backlight code, including locking. If CONFIG_PM_DEBUG makes a difference, a
> race condition comes to mind.

Same problem seen with my 3.11-rc3 build tonight.  I should point out that the
CONFIG_PM_DEBUG does not always prevent the problem from happening.  Tonight
when using it, I consistently hit the problem.

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