Buildout makes Plone freezing

[pigeonflight (David Bain (Will Theme Plone Sites))]

Just at a glance, I'd look into issues with Plone 5 on Ubuntu 16.04

Issue on Ubuntu 16.04

Environment: Ubuntu 16.04 + Plone 5.0.4 (both zeo and standalone run into the same issue) Issue: After adding a new page, revisiting the page link will crash the instance. See this video for reference: Anything needs to be fixed before we can avoid such issue on Ubuntu 16.04? Note: it works well when I try Plone 5.0.4 zeo on Ubuntu 14.04.

Ubuntu 16.04: Zope instance terminated by SIGSEGV (core dumped)

Brand new installation of Plone 5.0.4 in brand new Ubuntu 16.04 DigitalOcean VM; Python 2.7.11+ installed. I see these messages on supervisord.log: 2016-04-29 14:41:07,832 INFO exited: instance (terminated by SIGSEGV (core dumped); not expected) 2016-04-29 14:41:08,837 INFO spawned: 'instance' with pid 2826 2016-04-29 14:41:38,880 INFO success: instance entered RUNNING state, process has stayed up for > than 30 seconds (startsecs) 2016-04-29 14:43:05,445 INFO exited: instance (terminated by SI…