https://bugzilla.kernel.org/show_bug.cgi?id=29882
Len Brown <l...@kernel.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
URL| |rui.zh...@intel.com
CC| |l...@kernel.org
--- Comment #1 from Len Brown <l...@kernel.org> 2011-03-22 01:52:30 ---
please attach the working .config for 2.6.37 and the failing .config
for 2.6.38. One area of interest would be anything related to KMS.
My guess is that the backlight is actually OFF,
and that you may be seeing brightness applied to the faint ambient
glow that some screens have.
also, please try this parameter
video.use_bios_initial_backlight=0
and report if it makes any difference.
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