On Dec 7, 2013 4:09 PM, "David King" <linux...@avoura.com> wrote: > > > Hi all, > > I am currently having a problem with all things GLX related, i.e. screensavers that use GLX are no longer working, also a game that uses GLX. E.g. when running foobillard in terminal I get the following error: > > main:rgstereo=0Video mode set failed: Couldn't find matching GLX visual > > It used to work fine, running from the main menu. But now it's failing to find the right GLX visual. I get the same thing for screensavers, > > Xlib: extension "GLX" missing on display ":0.0" > > This line is displayed several times on the screen instead of the screensaver, and the last bit says it exited abnormally (code 1) > > > I wonder if this is Flash/Gnash related? I recently found that Firefox was running extremely slowly on any site with Flash elements, so I removed Flash (I have heard it is very troublesome at times to some Linux users) and installed Gnash instead. Firefox works much better, and also with Flash-blocking add ons so that I only allow certain sites to use Flash. > > I am not sure if the GLX problem occurred before or after this. > > My Desktop is XFCE on Ubuntu Studio 12.04 > > Of course it might also have been a recent update that might have knocked out GLX. > > In using Synaptic I see that the GLX stuff is still installed. I tried reinstalling some of it, but it made no difference. > > I am using the Linux open source graphics driver for my graphics card, nothing proprietary. It is an AMD card. > > > So how do I get GLX working again? >
Try booting an older kernel. Make sure you have necessary drivers installed. It has nothing to do with flash... > > David K > > > > > > > -- > ubuntu-studio-users mailing list > ubuntu-studio-users@lists.ubuntu.com > Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users >
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