Comment 42 for bug 183969

This may or may not be a related problem, but a number of people have reported 3d crashing their x sever after the update. I have noticed that many of them have nvidia cards. After the update I discovered that using 3d would immediately cause the x server to restart. Reinstalling the nvidia drivers (I use the file from nvidia's website) fixed the problem for me (though some say not for them). On reinstalling the drivers I got the following error message: "ERROR: File '/usr/lib/xorg/modules/extensions/libglx.so' is not a symbolic link." But nvidia's installer sorted it out by itself. It looks to me like the xserver-xorg-core installed a file over this link, which broke my nvidia driver installation. I don't remember this happening during a previous update. Also, I am using amd64 kubuntu feisty.