On Fri, 2003-11-07 at 10:25, Katherine Holcomb wrote: > I just upgraded from RH 9 to Fedora Core 1 yesterday on a Dell Precision > 340 with an Nvidia graphics card. I have read the previous thread about > Nvidia drivers. I had already installed them from the Nvidia script > using the CC_IGNORE_MISMATCH flag, but uninstalled them and installed > the rpms at www2.educ.umu.se/~peter/nvidia. The rpms seem to work as > well as the Nvidia script so far, but I still have a problem -- none of > the OpenGL screensavers work. All fail with the error "Xlib: extension > XFree86-DRI missing on display :0.0" > (to be clear, this error occurred with the Nvidia-installed drivers as > well as with the rpms). Nvidia explicitly states that dri should *not* > be loaded in XF86config and I did not do so for RH 9.0. Everything > worked fine under RH 9.0. What has changed? You need to remove the Mesa GL RPM: rpm -e --nodeps XFree86-Mesa-libGL Note that this will get re-installed with XFree86 and other updates, so this step will need to repeated whenever that RPM gets re-installed. HTH, Marc Schwartz