Hello! In btl_udapl_proc.c, if peer_proc->proc_addr_count <= 0, btl_addr_string will not be initialised. Attached is a patch that initialised btl_addr_string at the first possible moment, which fixes this problem.
Regards, Dennis Schridde
--- openmpi-1.4/ompi/mca/btl/udapl/btl_udapl_proc.c.orig 2009-12-08 21:36:23.000000000 +0100
+++ openmpi-1.4/ompi/mca/btl/udapl/btl_udapl_proc.c 2010-01-07 12:38:15.000000000 +0100
@@ -196,6 +196,14 @@
/* use generic address to find address family */
saddr = (struct sockaddr *)&(udapl_btl->udapl_addr.addr);
+ if (VERBOSE_INFORM <=
+ mca_btl_udapl_component.udapl_verbosity) {
+
+ /* retrieve udapl btl address string for reporting */
+ inet_ntop(AF_INET, (void *) &btl_addr->sin_addr,
+ btl_addr_string, INET_ADDRSTRLEN);
+ }
+
if (saddr->sa_family == AF_INET) {
btl_addr = (struct sockaddr_in *)saddr;
@@ -214,9 +222,7 @@
if (VERBOSE_INFORM <=
mca_btl_udapl_component.udapl_verbosity) {
- /* retrieve udapl btl and peer address string for reporting */
- inet_ntop(AF_INET, (void *) &btl_addr->sin_addr,
- btl_addr_string, INET_ADDRSTRLEN);
+ /* retrieve peer address string for reporting */
inet_ntop(AF_INET, (void *) &peer_addr->sin_addr,
peer_addr_string, INET_ADDRSTRLEN);
}
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