I had a similar problem (only I didn't need to switch to the terminal, and the stacktrace was slightly different), but try disabling the "Blur" effect under System Settings / Desktop / Desktop Effects (All Effects). It worked for me.
-- KWin Signal SIGSEGV with nvidia-driver on every login https://bugs.launchpad.net/bugs/298253 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
