Hi I'm also affected with this bugs :
gnome-shell[2727]: segfault at 1f0 ip 00007f258a7e06a4 sp 00007fffff52d108 error 4 in libclutter-glx-1.0.so.0.800.0[7f258a7a9000+ff000]
Systems Specs : Core I7 950, 4 GB RAM, Nvidia GeForce GTX460, Linux Mint 12 Lisa 64-bit
Hi I'm also affected with this bugs :
gnome-shell[2727]: segfault at 1f0 ip 00007f258a7e06a4 sp 00007fffff52d108 error 4 in libclutter- glx-1.0. so.0.800. 0[7f258a7a9000+ ff000]
Systems Specs : Core I7 950, 4 GB RAM, Nvidia GeForce GTX460, Linux Mint 12 Lisa 64-bit