I've recently got the same error, and reviewed your data and it looks clean of any private data (lots of system info of course as expected) so I'm making this bug public.
** Information type changed from Private to Public -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1629774 Title: compiz assert failure: *** Error in `/usr/bin/compiz': double free or corruption (!prev): 0x000056024f13b390 *** To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1629774/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs