https://bugzilla.novell.com/show_bug.cgi?id=770993
https://bugzilla.novell.com/show_bug.cgi?id=770993#c4
--- Comment #4 from Michal Veselenyi 2012-07-13 08:49:26 UTC ---
I'm running KDE4
Installing (manually) the nvidia driver didn't help for backlight.
I fixed the problem partially with kernel options:
acpi_osi=Linux acpi_backlight=vendor
(I'll try also the legacy option)
This causes at least that the backlight is unchanged during boot and not
brought to minimum brightness and stay that way (it really hut your eyes on min
brightness)
But /sys/class/backlight is still empty.
I'll try with 12.2 RC 1, as it is now out (cool)
Also I'll compare with my 11.3 installation, where it worked (notably look at
what's inside /sys/class/backlight and what kernel module was there).
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