I have the same issue here. Strange thing is: If you start with /bin/bash and then type zsh/screen/byobu it simply works.
This is the according ticket from the guake-Project but theres no Solution / Patch: http://guake.org/ticket/214 ** Bug watch added: guake.org/ #214 http://guake.org/ticket/214 -- spikes CPU and won't stay open after package update(s) https://bugs.launchpad.net/bugs/492987 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs