In my machine matplotlib by default selects the "TkAgg" backend. I worked around this freezing problem by selecting the "gtk3" backend instead, as in 'ipython3 --pylab=gtk3'. I had to install 'python3-cairocffi' as requested by a warning at startup and now everything seems to work well.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1737979 Title: Wayland freezes with matplotlib To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1737979/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs