{"action":"created","issue":{"url":"https://api.github.com/repos/ipython/ipython/issues/8761","labels_url":"https://api.github.com/repos/ipython/ipython/issues/8761/labels{/name}","comments_url":"https://api.github.com/repos/ipython/ipython/issues/8761/comments","events_url":"https://api.github.com/repos/ipython/ipython/issues/8761/events","html_url":"https://github.com/ipython/ipython/issues/8761","id":102604734,"number":8761,"title":"segfault when I try to create new/open an existing notebook","user":{"login":"simulkade","id":1881542,"avatar_url":"https://avatars.githubusercontent.com/u/1881542?v=3","gravatar_id":"","url":"https://api.github.com/users/simulkade","html_url":"https://github.com/simulkade","followers_url":"https://api.github.com/users/simulkade/followers","following_url":"https://api.github.com/users/simulkade/following{/other_user}","gists_url":"https://api.github.com/users/simulkade/gists{/gist_id}","starred_url":"https://api.github.com/users/simulkade/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/simulkade/subscriptions","organizations_url":"https://api.github.com/users/simulkade/orgs","repos_url":"https://api.github.com/users/simulkade/repos","events_url":"https://api.github.com/users/simulkade/events{/privacy}","received_events_url":"https://api.github.com/users/simulkade/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-08-23T09:54:15Z","updated_at":"2015-08-23T09:57:57Z","closed_at":null,"body":"I upgraded to ipython 4.0 using `pip`. The notebook starts without any problems, but when I try to open a new notebook I get segfault.   \r\nHere's my system information:\r\n```\r\n{'commit_hash': u'f534027',\r\n 'commit_source': 'installation',\r\n 'default_encoding': 'UTF-8',\r\n 'ipython_path': '/usr/local/lib/python2.7/dist-packages/IPython',\r\n 'ipython_version': '4.0.0',\r\n 'os_name': 'posix',\r\n 'platform': 'Linux-3.16.0-38-generic-x86_64-with-LinuxMint-17.2-rafaela',\r\n 'sys_executable': '/usr/bin/python',\r\n 'sys_platform': 'linux2',\r\n 'sys_version': '2.7.6 (default, Jun 22 2015, 17:58:13) \\n[GCC 4.8.2]'}\r\n```\r\n\r\nThe output of `ipython notebook --debug`:  \r\nhttp://pastebin.com/sNW1jTjA\r\n\r\nand the output of `pip freeze` command:\r\n```\r\nalabaster==0.7.6\r\nappnope==0.1.0\r\napt-xapian-index==0.45\r\napturl===0.4.1ubuntu4\r\nBabel==2.0\r\nbackports.ssl-match-hostname==3.4.0.2\r\nBeautifulSoup==3.2.1\r\nblinker==1.4\r\ncertifi==2015.4.28\r\nchardet==2.0.1\r\ncloudpickle==0.1.0\r\ncommand-not-found==0.3\r\nconfigglue==1.1.2\r\nconfigparser==3.3.0.post2\r\nCoolProp==5.1.0\r\nCython==0.20.1.post0\r\ndebtagshw==0.1\r\ndecorator==4.0.2\r\ndefer==1.0.6\r\ndirspec==13.10\r\ndnspython==1.11.1\r\ndocutils==0.12\r\ndoit==0.29.0\r\nduplicity==0.6.23\r\nfeedparser==5.1.3\r\nfuncsigs==0.4\r\nfunctools32==3.2.3.post2\r\nghp-import==0.4.1\r\ngnureadline==6.3.3\r\nhttplib2==0.8\r\nipykernel==4.0.3\r\nipyparallel==4.0.2\r\nipython==4.0.0\r\nipython-genutils==0.1.0\r\nJinja2==2.8\r\njsonschema==2.5.1\r\njupyter-client==4.0.0\r\njupyter-core==4.0.4\r\nlockfile==0.8\r\nLogbook==0.10.0\r\nlxml==3.4.4\r\nMako==1.0.1\r\nMarkdown==2.6.2\r\nMarkupSafe==0.23\r\nmatlab-kernel==0.6\r\nmatplotlib==1.4.3\r\nmetakernel==0.9.0\r\nmistune==0.7.1\r\nmock==1.3.0\r\nnatsort==4.0.3\r\nnbconvert==4.0.0\r\nnbformat==4.0.0\r\nnemo-emblems==0.0.1\r\nNikola==7.6.3\r\nnose==1.3.7\r\nnotebook==4.0.4\r\nnumpy==1.9.2\r\nnumpydoc==0.5\r\noauthlib==0.6.1\r\noct2py==3.3.0\r\noctave-kernel==0.12.0\r\noneconf==0.3.7.14.4.1\r\nPAM==0.4.2\r\nparamiko==1.10.1\r\npath.py==7.6.1\r\npbr==1.5.0\r\npexpect==3.3\r\npickleshare==0.5\r\nPillow==2.9.0\r\npiston-mini-client==0.7.5\r\nprotobuf==2.5.0\r\nptyprocess==0.5\r\nPyBluez==0.18\r\npycrypto==2.6.1\r\npycups==1.9.66\r\npycurl==7.19.3\r\npydicom==0.9.9\r\nPygments==2.0.2\r\npygobject==3.12.0\r\npyinotify==0.9.6\r\npymatbridge==0.5.2\r\npyOpenSSL==0.13\r\npyparsing==2.0.3\r\npyreadline==2.0\r\nPyRSS2Gen==1.1\r\npyserial==2.6\r\npysmbc==1.0.14.1\r\npython-apt===0.9.3.5ubuntu1\r\npython-dateutil==2.4.2\r\npython-debian===0.1.21-nmu2ubuntu2\r\npytz==2015.4\r\npyxdg==0.25\r\npyzmq==14.7.0\r\nqtconsole==4.0.1\r\nreadline==6.2.4.1\r\nreportlab==3.0\r\nrequests==2.7.0\r\nscipy==0.16.0\r\nsessioninstaller==0.0.0\r\nsimplegeneric==0.8.1\r\nsimplejson==3.3.1\r\nsix==1.9.0\r\nsnowballstemmer==1.2.0\r\nSphinx==1.3.1\r\nsphinx-rtd-theme==0.1.8\r\nstevedore==1.7.0\r\nsystem-service==0.1.6\r\nterminado==0.5\r\ntestpath==0.2\r\ntornado==4.2.1\r\ntraitlets==4.0.0\r\nTwisted-Core==13.2.0\r\nTwisted-Names==13.2.0\r\nTwisted-Web==13.2.0\r\nUnidecode==0.4.18\r\nurllib3==1.7.1\r\nuTidylib==0.2\r\nvirtualenv==13.1.1\r\nvirtualenv-clone==0.2.6\r\nvirtualenvwrapper==4.6.0\r\nVTK==5.8.0\r\nwebassets==0.10.1\r\nwxPython-common==2.8.12.1\r\nYapsy==1.11.223\r\nzope.interface==4.0.5\r\n```\r\nI also get segfault when I try to use `ipython qtconsole`.\r\nAny idea what is going on here?\r\nThanks a lot in advance."},"comment":{"url":"https://api.github.com/repos/ipython/ipython/issues/comments/133811871","html_url":"https://github.com/ipython/ipython/issues/8761#issuecomment-133811871","issue_url":"https://api.github.com/repos/ipython/ipython/issues/8761","id":133811871,"user":{"login":"Carreau","id":335567,"avatar_url":"https://avatars.githubusercontent.com/u/335567?v=3","gravatar_id":"","url":"https://api.github.com/users/Carreau","html_url":"https://github.com/Carreau","followers_url":"https://api.github.com/users/Carreau/followers","following_url":"https://api.github.com/users/Carreau/following{/other_user}","gists_url":"https://api.github.com/users/Carreau/gists{/gist_id}","starred_url":"https://api.github.com/users/Carreau/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Carreau/subscriptions","organizations_url":"https://api.github.com/users/Carreau/orgs","repos_url":"https://api.github.com/users/Carreau/repos","events_url":"https://api.github.com/users/Carreau/events{/privacy}","received_events_url":"https://api.github.com/users/Carreau/received_events","type":"User","site_admin":false},"created_at":"2015-08-23T09:57:57Z","updated_at":"2015-08-23T09:57:57Z","body":"Segfault seem to be in ZMQ, can you try to apt-get update your zmq / libzmq ?\r\n\r\n"}}