Same problem here, fixed with correction of broken link libglx.so
$ uname -a Linux n4shost 2.6.24-8-generic #1 SMP Thu Feb 14 20:13:27 UTC 2008 x86_64 GNU/Linux
$ lspci | grep nVidia 02:00.0 VGA compatible controller: nVidia Corporation NV43 [GeForce 6600] (rev a2)
Same problem here, fixed with correction of broken link libglx.so
$ uname -a
Linux n4shost 2.6.24-8-generic #1 SMP Thu Feb 14 20:13:27 UTC 2008 x86_64 GNU/Linux
$ lspci | grep nVidia
02:00.0 VGA compatible controller: nVidia Corporation NV43 [GeForce 6600] (rev a2)