Since upgrading the kernel to 4.10.0-22-generic in Ubuntu 17.04 I haven't seen this bug any more. I think Firefox was also triggering a general system freeze through a problem in the kernel. See bug #1674838 and the many messages relating it to a firefox freeze.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1656065 Title: Firefox and plugin-container (Chrome_ChildThr): segfault at 0 ip, sp error 6 in plugin-container/libxul.so To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1656065/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs