thanks for all the replies first of all, i don't know the exact scyld distribution. However, i am running mpich 1.2.5. When i run my program (stripped down to a mere MPI_INIT(...) call) and test it with valgrind i get something like :
==21799== Use of uninitialised value of size 8 ==21799== at 0x56F0252: vfprintf (in /lib64/libc-2.3.2.so) ==21799== by 0x570C844: vsprintf (in /lib64/libc-2.3.2.so) ==21799== by 0x56F7B69: sprintf (in /lib64/libc-2.3.2.so) ==21799== by 0x4F81755: net_create_slave (in /usr/lib64/MPICH/p4/gnu/libmpich-gnu.so.1.0) ==21799== by 0x4F810B8: create_remote_processes (in /usr/lib64/MPICH/p4/gnu/libmpich-gnu.so.1.0) ==21799== by 0x4F7D37A: p4_startup (in /usr/lib64/MPICH/p4/gnu/libmpich-gnu.so.1.0) ==21799== by 0x4F7D1CC: p4_create_procgroup (in /usr/lib64/MPICH/p4/gnu/libmpich-gnu.so.1.0) ==21799== by 0x4F9383B: MPID_P4_Init (in /usr/lib64/MPICH/p4/gnu/libmpich-gnu.so.1.0) ==21799== by 0x4F9271B: MPID_CH_InitMsgPass (in /usr/lib64/MPICH/p4/gnu/libmpich-gnu.so.1.0) ==21799== by 0x4F87691: MPID_Init (in /usr/lib64/MPICH/p4/gnu/libmpich-gnu.so.1.0) ==21799== by 0x4FA32B3: MPIR_Init (in /usr/lib64/MPICH/p4/gnu/libmpich-gnu.so.1.0) ==21799== by 0x4FA2F68: PMPI_Init (in /usr/lib64/MPICH/p4/gnu/libmpich-gnu.so.1.0) which i think is a problem with the mpi distribution. Does anyone have any experience with building a new mpi library on a scyld machine? Should it be straightforward? thanks mat _______________________________________________ Beowulf mailing list, [EMAIL PROTECTED] To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
