Originally Posted by Licaon
Any reason you have 2 Screen and 2 Monitor sections in xorg.conf ?
And 2 Device sections too. Looks like openSuse's Sax chooses different identifiers than nvidia-xconfig, but the latter generated sections are active.
Adding the kernel command line arguments did have an impact on what cat /proc/mtrr outputs, but it didn't change or correct the reported memory corruption.