Am 04.08.2012 12:35, schrieb Kristian: > Graeme Gill: >> I'm guessing that you're using the NVidia drivers then. The problem is >> probably >> that the NVidia drivers say they do XRANDR, but don't actually implement it >> properly. You can work around this by setting the ARGYLL_IGNORE_XRANDR1_2 >> environment variable. >> >> [There was a report recently that the very latest NVidia drivers may >> finally fix this problem, but I'd imagine that you'd need to make sure it >> works with your kernel and distribution: >> >> <https://groups.google.com/forum/?fromgroups#!topic/colorhug-users/k_00ySospSc> >> ] > > > Thanks a lot. Setting the environment variable solved my problem. But I > think the NVidia driver 302.xx doesn't solve the problem but made it > appear on my computer. I'm already using version 302.17, but some months > ago dispwin didn't show this behaviour and everything worked fine with > the NVidia driver without setting ARGYLL_IGNORE_XRANDR1_2. > > Kristian According to the google groups posting, 304.30 beta is the one that fixes gamma loading. -- Florian Höch