I've just installed a snap and experienced this issue. The snap is a game using the opengl interface and immediately after the install the entire desktop UI locked up, Xorg crashed and I was returned to the display manager. Here is the associated error report:
* https://errors.ubuntu.com/oops/97eb0478-5f48-11e8-950f-fa163e54c21f -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in Ubuntu. https://bugs.launchpad.net/bugs/1760104 Title: Xorg crashed with SIGSEGV To manage notifications about this bug go to: https://bugs.launchpad.net/snapd/+bug/1760104/+subscriptions _______________________________________________ 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