Minor mgcp debuggin changes, sip deadlock improvement

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1841 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_mgcp.c

@@ -1060,12 +1060,15 @@ static struct mgcp_subchannel *find_subchannel(char *name, int msgid, struct soc
 			}
 			p = g->endpoints;
 			while(p) {
+				if (option_debug)
 	                ast_log(LOG_DEBUG, "Searching on %s@%s for subchannel\n", p->name, g->name);
                 if (msgid) {
                     sub = p->sub;
                     do {
+						if (option_debug)
     	                    ast_log(LOG_DEBUG, "Searching on %s@%s-%d for subchannel with lastout: %d\n", p->name, g->name, sub->id, msgid);
                         if (sub->lastout == msgid) {
+							if (option_debug)
             	                ast_log(LOG_DEBUG, "Found subchannel sub%d to handle request %d sub->lastout: %d\n", sub->id, msgid, sub->lastout);
                             found = 1;
                             break;

channels/chan_sip.c

@@ -463,7 +463,7 @@ static int retrans_pkt(void *data)
 	} else {
 		ast_log(LOG_WARNING, "Maximum retries exceeded on call %s for seqno %d (%s)\n", pkt->owner->callid, pkt->seqno, pkt->resp ? "Response" : "Request");
 		pkt->retransid = -1;
-		while(pkt->owner->owner && ast_mutex_lock(&pkt->owner->owner->lock)) {
+		while(pkt->owner->owner && ast_mutex_trylock(&pkt->owner->owner->lock)) {
 			ast_mutex_unlock(&pkt->owner->lock);
 			usleep(1);
 			ast_mutex_lock(&pkt->owner->lock);