I did make sure at the beginning that only eth0 was activated on all the
nodes. Nevertheless, I am currently verifying the NIC configuration on all
the nodes and making sure things are as expected.
While trying different things, I did come across this peculiar error which I
had detailed in one of my previous mails in this thread.
I am testing the helloWorld program in the following trivial case:
mpirun -np 1 -host localhost /main/mpiHelloWorld
Which works fine.
mpirun -np 1 -host localhost --debug-daemons /main/mpiHelloWorld
always fails as follows:
Daemon [0,0,1] checking in as pid 2059 on host localhost
[idx1:02059] [0,0,1] orted: received launch callback
idx1 is node 0 of 1
ranks sum to 0
[idx1:02059] [0,0,1] orted_recv_pls: received message from [0,0,0]
[idx1:02059] [0,0,1] orted_recv_pls: received exit
[idx1:02059] *** Process received signal ***
[idx1:02059] Signal: Segmentation fault (11)
[idx1:02059] Signal code: (128)
[idx1:02059] Failing at address: (nil)
[idx1:02059] [ 0] /lib/libpthread.so.0 [0x2afa8c597f30]
[idx1:02059] [ 1] /usr/lib64/libopen-rte.so.0(orte_pls_base_close+0x18)
[idx1:02059] [ 2] /usr/lib64/libopen-rte.so.0(orte_system_finalize+0x70)
[idx1:02059] [ 3] /usr/lib64/libopen-rte.so.0(orte_finalize+0x20)
[idx1:02059] [ 4] orted(main+0x8a6) [0x4024ae]
[idx1:02059] *** End of error message ***
The failure happens with more verbose output when using the -d flag.
Does this point to some bug in OpenMPI or am I missing something here?
I have attached ompi_info output on this node.