I came across the same misbeheaviour on a desktop with an nvidia 6600 card: after changing resolution I have to run Synaptic and reinstall the nvidia-glx package, after this voodoo like procedure the resolution stays as set even after log out.
I came across the same misbeheaviour on a desktop with an nvidia 6600 card: after changing resolution I have to run Synaptic and reinstall the nvidia-glx package, after this voodoo like procedure the resolution stays as set even after log out.