A stack trace would not help in the free() because it's a delayed effect from earlier heap corruption.
All - Please try this to produce a better crash report that will help us find the root cause of the problem: env MALLOC_CHECK_=3 G_SLICE=always-malloc unity --replace ** Changed in: compiz Status: New => Incomplete ** Changed in: compiz (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1045965 Title: compiz assert failure: *** glibc detected *** compiz: free(): invalid pointer: 0x00007f516ea0fe84 *** To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1045965/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs