[IPython-dev] IPython console crashes when interrupted in routine

Gregory Simonian simonian.7 at buckeyemail.osu.edu
Sat Mar 21 15:20:51 EDT 2015


Great. Did so here! Thanks!

https://github.com/ipython/ipython/issues/8105

On 03/21/2015 02:48 PM, Thomas Kluyver wrote:
> Hi Gregory,
>
> I can reproduce this - please file an issue so we don't lose track of it.
>
> Thanks,
> Thomas
>
> On 21 March 2015 at 11:38, Gregory Simonian
> <simonian.7 at buckeyemail.osu.edu
> <mailto:simonian.7 at buckeyemail.osu.edu>> wrote:
>
>     Hey everyone,
>
>     I think I ran into a regression in IPython 3.0 where whenever I
>     interrupt running code, the IPython console and kernel crash.
>     Probably the easiest way I know to reproduce this is:
>     $ ipython console
>     In [1]: for i in range(1000000):
>        ...:    print i
>        ...:
>     And then press Ctrl-C during execution.
>
>     I expect that it will catch a KeyboardInterrupt exception and then
>     go back to an IPython prompt. However, instead it outputs:
>     Out [1]: 1
>     2
>     <...>
>     41654^CTraceback (most recent call last):
>       File "/usr/custom/Anaconda-2.0.1/bin/ipython", line 6, in <module>
>         sys.exit(start_ipython())
>       File
>     "/usr/custom/Anaconda-2.0.1/lib/python2.7/site-packages/IPython/__init__.py",
>     line 120, in start_ipython
>         return launch_new_instance(argv=argv, **kwargs)
>       File
>     "/usr/custom/Anaconda-2.0.1/lib/python2.7/site-packages/IPython/config/application.py",
>     line 574, in launch_instance
>         app.start()
>       File
>     "/usr/custom/Anaconda-2.0.1/lib/python2.7/site-packages/IPython/terminal/ipapp.py",
>     line 367, in start
>         return self.subapp.start()
>       File
>     "/usr/custom/Anaconda-2.0.1/lib/python2.7/site-packages/IPython/terminal/ipapp.py",
>     line 371, in start
>         self.shell.mainloop()
>       File
>     "/usr/custom/Anaconda-2.0.1/lib/python2.7/site-packages/IPython/terminal/console/interactiveshell.py",
>     line 407, in mainloop
>         self.interact(display_banner=display_banner)
>       File
>     "/usr/custom/Anaconda-2.0.1/lib/python2.7/site-packages/IPython/terminal/console/interactiveshell.py",
>     line 568, in interact
>         self.run_cell(source_raw)
>       File
>     "/usr/custom/Anaconda-2.0.1/lib/python2.7/site-packages/IPython/terminal/console/interactiveshell.py",
>     line 168, in run_cell
>         self.handle_input_request(msg_id, timeout=0.05)
>       File
>     "/usr/custom/Anaconda-2.0.1/lib/python2.7/site-packages/IPython/terminal/console/interactiveshell.py",
>     line 373, in handle_input_request
>         req = self.client.stdin_channel.get_msg(timeout=timeout)
>       File
>     "/usr/custom/Anaconda-2.0.1/lib/python2.7/site-packages/IPython/kernel/blocking/channels.py",
>     line 50, in get_msg
>         ready = self.socket.poll(timeout)
>       File
>     "/usr/custom/Anaconda-2.0.1/lib/python2.7/site-packages/zmq/sugar/socket.py",
>     line 448, in poll
>         evts = dict(p.poll(timeout))
>       File
>     "/usr/custom/Anaconda-2.0.1/lib/python2.7/site-packages/zmq/sugar/poll.py",
>     line 101, in poll
>         return zmq_poll(self.sockets, timeout=timeout)
>       File "zmq/backend/cython/_poll.pyx", line 115, in
>     zmq.backend.cython._poll.zmq_poll (zmq/backend/cython/_poll.c:1586)
>       File "zmq/backend/cython/checkrc.pxd", line 21, in
>     zmq.backend.cython.checkrc._check_rc (zmq/backend/cython/_poll.c:2016)
>         raise ZMQError(errno)
>     ZMQError: Interrupted system call
>
>     If you suspect this is an IPython bug, please report it at:
>         https://github.com/ipython/ipython/issues
>     or send an email to the mailing list at ipython-dev at scipy.org
>     <mailto:ipython-dev at scipy.org>
>
>     You can print a more detailed traceback right now with "%tb", or
>     use "%debug"
>     to interactively debug it.
>
>     Extra-detailed tracebacks for bug-reporting purposes can be
>     enabled via:
>         %config Application.verbose_crash=True
>     $
>
>     Dropping me back at the shell. This doesn't occur in just running
>     plain "$ ipython", so the kernel should have something to do with it.
>
>     I am running IPython 3.0 through Anaconda on CentOS 6.6.I hadn't
>     encountered this bug in IPython 2. Maybe other people can confirm
>     if it occurs for them. And if so, what additional info I would
>     need to file a bug report. Thanks!
>
>                                                                 
>     Gregory Simonian
>
>     _______________________________________________
>     IPython-dev mailing list
>     IPython-dev at scipy.org <mailto:IPython-dev at scipy.org>
>     http://mail.scipy.org/mailman/listinfo/ipython-dev
>
>
>
>
> _______________________________________________
> IPython-dev mailing list
> IPython-dev at scipy.org
> http://mail.scipy.org/mailman/listinfo/ipython-dev

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/ipython-dev/attachments/20150321/f2180874/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 490 bytes
Desc: OpenPGP digital signature
URL: <http://mail.python.org/pipermail/ipython-dev/attachments/20150321/f2180874/attachment.sig>


More information about the IPython-dev mailing list