See? Normal people don't understand gdb so we shouldn't normally ask them to without detailed instructions :)
Try this: ulimit -c unlimited env MALLOC_CHECK_=3 G_SLICE=always-malloc gdb --args "replace" /usr/bin/unity # Wait for the crash gdb /usr/bin/compiz core (gdb) bt # Now copy the output -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in 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 _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : compiz@lists.launchpad.net Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp