Thanks Graham. I noticed that on my other Ubuntu machine there is no link to libglx in /usr/lib/xorg/modules. So today I removed this link and with only the link in /usr/lib/xorg/modules/extensions it works perfectly.
-- glxinfo crashed with SIGSEGV in __libc_start_main() https://bugs.launchpad.net/bugs/257600 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs