"Adam Flott" <adam(at)npjh(dot)com> writes:
> 1. psql amarok
> 2. enter C-\
> 3. amarok=# zsh: quit (core dumped) psql amarok
This is not a bug, it's the intended result of typing control-\.
You've probably got "stty quit ^\" set in your profile.
regards, tom lane