I can confirm the exact same problem! Going to that website successfully crashes my X server also.
Here are my specs: Kernel: 2.6.15-26-686 NVIDIA Driver: 1.0-8774 KDE: 3.5.4 Card: GeForce 6600 PCI-E I'll be glad to report any messages / info! -- reproducible X restarts involving GdkPixbuf-CRITICAL https://launchpad.net/bugs/51425 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs