{"action":"created","issue":{"url":"https://api.github.com/repos/XENON1T/pax/issues/470","repository_url":"https://api.github.com/repos/XENON1T/pax","labels_url":"https://api.github.com/repos/XENON1T/pax/issues/470/labels{/name}","comments_url":"https://api.github.com/repos/XENON1T/pax/issues/470/comments","events_url":"https://api.github.com/repos/XENON1T/pax/issues/470/events","html_url":"https://github.com/XENON1T/pax/issues/470","id":196484754,"number":470,"title":"RuntimeError: can't start new thread","user":{"login":"pdeperio","id":8642192,"avatar_url":"https://avatars.githubusercontent.com/u/8642192?v=3","gravatar_id":"","url":"https://api.github.com/users/pdeperio","html_url":"https://github.com/pdeperio","followers_url":"https://api.github.com/users/pdeperio/followers","following_url":"https://api.github.com/users/pdeperio/following{/other_user}","gists_url":"https://api.github.com/users/pdeperio/gists{/gist_id}","starred_url":"https://api.github.com/users/pdeperio/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pdeperio/subscriptions","organizations_url":"https://api.github.com/users/pdeperio/orgs","repos_url":"https://api.github.com/users/pdeperio/repos","events_url":"https://api.github.com/users/pdeperio/events{/privacy}","received_events_url":"https://api.github.com/users/pdeperio/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2016-12-19T18:18:35Z","updated_at":"2016-12-19T19:01:01Z","closed_at":null,"body":"Getting a lot of this error when processing MC on OSG. I cannot reproduce on Midway, but do you have any idea why looking at the error message? I thought I'm running in single-thread mode, so why's it mentioning all this multi-thread/dask stuff?\r\n```\r\n/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/site-packages/matplotlib/font_manager.py:273: UserWarning: Matplotlib is building the font cache using fc-list. This may take a moment.\r\n  warnings.warn('Matplotlib is building the font cache using fc-list. This may take a moment.')\r\n/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/site-packages/matplotlib/font_manager.py:273: UserWarning: Matplotlib is building the font cache using fc-list. This may take a moment.\r\n  warnings.warn('Matplotlib is building the font cache using fc-list. This may take a moment.')\r\nTraceback (most recent call last):\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/bin/paxer\", line 4, in <module>\r\n    __import__('pkg_resources').run_script('pax==6.1.1', 'paxer')\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/site-packages/setuptools-27.2.0-py3.4.egg/pkg_resources/__init__.py\", line 744, in run_script\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/site-packages/setuptools-27.2.0-py3.4.egg/pkg_resources/__init__.py\", line 1499, in run_script\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/site-packages/pax-6.1.1-py3.4.egg/EGG-INFO/scripts/paxer\", line 24, in <module>\r\n    from pax import core, utils, formats, parallel    # flake8: noqa\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/site-packages/pax-6.1.1-py3.4.egg/pax/core.py\", line 16, in <module>\r\n    from pax import simulation, utils\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/site-packages/pax-6.1.1-py3.4.egg/pax/simulation.py\", line 13, in <module>\r\n    import multihist    # noqa   # Not explicitly used, but pickle of gas gap warping map is in this format\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/site-packages/multihist-0.5.0-py3.4.egg/multihist.py\", line 22, in <module>\r\n    import dask\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/site-packages/dask/__init__.py\", line 7, in <module>\r\n    from .delayed import do, delayed, value\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/site-packages/dask/delayed.py\", line 13, in <module>\r\n    from . import threaded\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/site-packages/dask/threaded.py\", line 22, in <module>\r\n    default_pool = ThreadPool()\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/multiprocessing/pool.py\", line 761, in __init__\r\n    Pool.__init__(self, processes, initializer, initargs)\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/multiprocessing/pool.py\", line 168, in __init__\r\n    self._repopulate_pool()\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/multiprocessing/pool.py\", line 233, in _repopulate_pool\r\n    w.start()\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/multiprocessing/dummy/__init__.py\", line 48, in start\r\n    threading.Thread.start(self)\r\n  File \"/cvmfs/xenon.opensciencegrid.org/releases/anaconda/2.4/envs/pax_v6.1.1/lib/python3.4/threading.py\", line 841, in start\r\n    _start_new_thread(self._bootstrap, ())\r\nRuntimeError: can't start new thread\r\n```"},"comment":{"url":"https://api.github.com/repos/XENON1T/pax/issues/comments/268048223","html_url":"https://github.com/XENON1T/pax/issues/470#issuecomment-268048223","issue_url":"https://api.github.com/repos/XENON1T/pax/issues/470","id":268048223,"user":{"login":"pdeperio","id":8642192,"avatar_url":"https://avatars.githubusercontent.com/u/8642192?v=3","gravatar_id":"","url":"https://api.github.com/users/pdeperio","html_url":"https://github.com/pdeperio","followers_url":"https://api.github.com/users/pdeperio/followers","following_url":"https://api.github.com/users/pdeperio/following{/other_user}","gists_url":"https://api.github.com/users/pdeperio/gists{/gist_id}","starred_url":"https://api.github.com/users/pdeperio/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pdeperio/subscriptions","organizations_url":"https://api.github.com/users/pdeperio/orgs","repos_url":"https://api.github.com/users/pdeperio/repos","events_url":"https://api.github.com/users/pdeperio/events{/privacy}","received_events_url":"https://api.github.com/users/pdeperio/received_events","type":"User","site_admin":false},"created_at":"2016-12-19T19:01:01Z","updated_at":"2016-12-19T19:01:01Z","body":"OK thanks, I've installed ```v0.5.1``` and will try again after OSG is back up."}}
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