When I attempt to run $ jupyter qtconsole The console shows up, with the message Kernel died, restarting ________________________ Kernel died, restarting ________________________ Kernel died, restarting ________________________ Kernel died, restarting ________________________ Kernel died, restarting ________________________ Which continues. Trying $ jupyter qtconsole --debug didn't print anything else, and neither has adding c.Application.log_level = 0 c.Session.debug = True into $USERHOME/.jupyter/jupyter_qtconsole_config.py Also, I found nothing in $USERHOME/.ipython/profile_default/log/ and the other directories around there. Nothing has changed in my configuration since last time I started up jupyter-qtconsole. How can I at least find out what's going wrong with the kernel? Surely there is some option in Jupyter to get the kernel's STDERR output to see what exception had upset it? Continue reading...