On Tue, 17 Apr 2012 03:17:12 -0400 Dave McMurtrie wrote: > mupdate is multithreaded. Try strace -f -p to see what it's doing. Process 7393 attached with 2 threads - interrupt to quit [pid 7398] read(9, <unfinished ...> [pid 7393] futex(0x7fdc39d53e84, FUTEX_WAIT_PRIVATE, 1, NULL Nearly the same info, not very informative :-( --Frank Elsner