diff -Nrup a/strace.c b/strace.c

--- a/strace.c	2013-07-17 14:39:50.603696069 -0600

+++ b/strace.c	2013-07-17 14:43:27.625962443 -0600

@@ -2184,6 +2184,11 @@ handle_stopped_tcbs(struct tcb *tcp)

 		status = tcp->wait_status;

 		pid = tcp->pid;

+		/* we must re-fetch all registers for each pid in list */

+		clear_regs();

+		if (WIFSTOPPED(status))

+			get_regs(pid);

+

                 event = ((unsigned)status >> 16);

 		if (WIFSIGNALED(status)) {

 			if (pid == strace_child)