Hi David,
Yes, zeromq 4.0.6 broke the kernel heartbeat. Please see our Github
issue #2485 for details:
https://github.com/spyder-ide/spyder/issues/2485
Cheers,
Carlos
El 19/06/15 a las 07:32, David Verelst escribió:
As reported by Alex, downgrading zeromq to 4.0.5 works for him.
An update to zeromq-4.1.2 resolved the issue for me as well (Arch Linux).
Seems zeromq 4.0.6 has some bugs/issues in combination with IPython?
Regards,
David
On 9 June 2015 at 12:35, Raimar <[email protected]
<mailto:[email protected]>> wrote:
Hi,
today when I restarted spyder I could not launch the ipython
console anymore:
"It seems the kernel died unexpectedly. Use 'Restart kernel' to
continue using this console."
This is repeated over and over again. I'm on Gentoo Linux, spyder
2.3.4, Python 2.7.10 64bits, Qt 4.8.6, PyQt4 (API v2) 4.11.3.
These are my optional dependencies:
IPython >=1.0 : 3.1.0 (OK)
jedi >=0.8.1 : None (NOK)
matplotlib >=1.0: 1.4.3 (OK)
pandas >=0.13.1 : 0.16.1 (OK)
pep8 >=0.6 : None (NOK)
psutil >=0.3 : 2.2.1 (OK)
pyflakes >=0.5.0: 0.8.1 (OK)
pygments >=1.6 : 2.0.2 (OK)
pylint >=0.25 : None (NOK)
rope >=0.9.2 : 0.10.2 (OK)
sphinx >=0.6.6 : 1.3.1 (OK)
sympy >=0.7.3 : None (NOK)
zmq >=2.1.11 : 14.6.0 (OK)
There is nothing suspicious shown in the kernel log. The internal
console only keeps repeating
WARNING:root:kernel died: 3.00297999382
Running a standalone "ipython qtconsole" works just fine. What is
strange: I can even connect to the supposedly died kernel by
running ipython qtconsole --existing kernel-28216.json in
~/.ipython/profile_default/security. When I execute a statement in
the spyder editor like b=5 by pressing F9, I can access this
variable in the external ipython console. This lets me believe
that the kernel has not really died, but spyder just thinks it
has. However, the ipython console becomes unusable by the repeated
error messages.
I tried to delete the ipython configuration file, and also "spyder
--default" and "spyder --reset", this did not help. Yesterday, a
system update upgraded the python packages simplejson, cffi,
cryptography and reinstalled pyzmq because of some internal
package changes. I tried to downgrade those packages, but it did
not solve my problem.
How can I obtain more useful debugging output from spyder, to
determine where the crash actually happens?
Thanks for your help!
Raimar
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