Thanks Slawek, this indeed looks like the problem we are having with Glance. Searchlight, too. On Thu, Jan 25, 2018 at 10:53 AM, Sławomir Kapłoński <slawek at kaplonski.pl> wrote: > Hi, > > Recently we found in Neutron errors with starting our agents which uses eventlet.monkey_patch() method. Bug is described in [1]. > > I heard on IRC that it's not related only to Neutron so here is what we found about that. > It looks that this issue happens on Ubuntu with python2.7 2.7.12-1ubuntu0~16.04.3 with eventlet < 0.22.0 (in OpenStack requirements it is set to 0.20.0). > There is no this issue with python2.7.12-1ubuntu0~16.04.2 and eventlet 0.20.0 > > Something similar was already reported for monotonic in [2]. From one of comments there we found that problem can be caused because: > "ctypes.util.find_library is now using subprocess.Popen, instead of os.popen (python/cpython at eb063011), and eventlet monkey-patches subprocess.Popen but not os.popen." > > It looks that eventlet patch [3] fixes/workaround this issue. > I pushed similar patch to Neutron [4] and it looks that our issue is solved for now. > > I hope that maybe this info will be helpful for You :) > > [1] https://bugs.launchpad.net/neutron/+bug/1745013 > [2] https://www.bountysource.com/issues/43892421-new-monotonic-broken-on-docker > [3] https://github.comhttps://review.openstack.org/#/c/537863/1/eventlet/eventlet/commit/b756447bab51046dfc6f1e0e299cc997ab343701 > [4] https://review.openstack.org/#/c/537863 > > — > Best regards > Slawek Kaplonski > slawek at kaplonski.pl > > > > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev