Per tvoss, here is the requested output: (1.) sudo apt-get install libc6-dbg libstdc++6-4.9-dbg (2.) Attach with gdb to Unity 8 as Bill pointed out (3.) In gdb, enable a breakpoint on thread creation with: break pthread_create (4.) When the breakpoint is hit, call "t a a bt" and add the output to https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1387959
output of "t a a bt" after breakpoint hit: http://pastebin.ubuntu.com/8794120/ output of "bt full" http://pastebin.ubuntu.com/8794202/ ** Changed in: unity8 (Ubuntu) Importance: Undecided => Critical ** Changed in: unity8 (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1387959 Title: unity8 crash in image krillin rtm 139 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1387959/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs