[Bug 54171] black screen after boot screen with intel gma 4500m (acer travelmate)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=54171





--- Comment #7 from Jani Nikula <jani.nikula at intel.com>  2013-05-13 06:45:38 ---
(In reply to comment #5)
> Hello,
> I have the same problem. So I tried it:

What makes you think you have the same problem?

> > admini at laptop2 ~ $ modprobe -v -a i915.invert_brightness=1
> > WARNING: Module i915.invert_brightness=1 not found.

That should be 'modprobe i915 invert_brightness=1'. But are you sure you don't
already have i915 loaded at that point? 'lsmod | grep i915' should tell you.

To be on the safe side, you should try adding i915.invert_brightness=1 to the
kernel command line in your boot loader instead.

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