Both tomboy and beagle freeze while starting up
This looks a lot like bug #179002 which seems to be caused by bug #179228 where
gcj hangs in garbage colleciton caused by a kernel bug.
An strace of tomboy stops at:
futex(0x6a6e40, FUTEX_WAIT, 0, NULL
In fact, it is the same as bug 179228. Reverting to the old kernel fixes this.
*** This bug has been marked as a duplicate of 179228 ***