[Bug 68471] Display extremely dark on Dell XPS 13 since 3.10 Kernel in EFI mode
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Thu Jan 9 23:32:24 PST 2014
https://bugzilla.kernel.org/show_bug.cgi?id=68471
Daniel Vetter <daniel at ffwll.ch> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |NEEDINFO
CC| |daniel at ffwll.ch
Regression|No |Yes
--- Comment #1 from Daniel Vetter <daniel at ffwll.ch> ---
Please try to adjust the brightness directly through the sysfs interfaces in
/sys/class/brightness/*
Please do this on both older (working) kernels and newer broken releases and
list for each backlight what happens.
Also please retest with latest 3.13-rc kernels, there's tons of backlight
adjustments. Finally please attach the output of dmesg and lspci -nn.
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