On Fri, 19 Aug 2011 16:49:49 +0200, Stefan Rutzinger wrote: > I run Wheezy on a quite new sony vaio PCG laptop with GeForce GT 555M > (GF106) and a second intel 2D video card and nouveau FB. > > After resume from suspend or hibernate, the backlight control gets lost. > I still can echo and cat to /sys/class/backlight/acpi_video[0,1]/ but it > has no effect. After a fresh boot, everything behaves as expected and > e.g. FN-Brightness keys work well.
(...) It can be a bug in the nouveau driver, like this: New: Backlight off after suspend-to-disk on Powerbook https://bugs.freedesktop.org/show_bug.cgi?id=31120 or this one: Brightness stuck to low value after suspend/resume https://bugs.freedesktop.org/show_bug.cgi?id=39550 You can: - Try blacklisting nouveau for hibernating - Try with another driver (the nvidia closed one) Greetings, -- Camaleón -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/pan.2011.08.19.20.38...@gmail.com
