I rebuilt gnome-settings-daemon for debugging, and just had it crash again. Unfortunately, telepathy-gabble is also still crashing routinely on my system (bug 668306) and this seems to have prevented apport from capturing the crash because they both crashed at the same time:
apport (pid 2974) Thu Dec 16 08:44:10 2010: another apport instance is already running, aborting apport (pid 2996) Thu Dec 16 08:44:10 2010: called for pid 30681, signal 11 apport (pid 2996) Thu Dec 16 08:44:10 2010: executable: /usr/lib/telepathy/telepathy-gabble (command line "/usr/lib/telepathy/telepathy-gabble") apport (pid 2996) Thu Dec 16 08:44:13 2010: this executable already crashed 2 times, ignoring -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/685785 Title: gnome-settings-daemon crashed with SIGSEGV in __libc_free() -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs