For me it didn't crash, but it also didn't detect the new screen resolution. I made the resolution one size larger, and connecting on the client from another ubuntu machine just shows me a window that is "too small" (there is stuff cut off on the bottom and right and it does not scroll).
-- vino-server crashes after connect if resolution has been changed via xrandr https://launchpad.net/bugs/43050 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs