Judging by the backtrace, the crash lies in the OpenGL implementation of the nvidia drivers for your card.
** Package changed: compiz (Ubuntu) => nvidia-graphics-drivers-180 (Ubuntu) ** Visibility changed to: Public -- compiz.real crashed with SIGSEGV in memcpy() https://bugs.launchpad.net/bugs/383907 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers-180 in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp