Tena Sakai wrote:
Hi,
I am trying to run simple mpirun commands (pretty much straight out of
mpirun man page) and getting a bit of error message. Here’s what I mean:
[tsakai@vixen Rmpi]$
[tsakai@vixen Rmpi]$ hostname
vixen.egcrc.org
[tsakai@vixen Rmpi]$
[tsakai@vixen Rmpi]$ mpirun -H vixen -np 1 hostname
vixen.egcrc.org
[tsakai@vixen Rmpi]$ mpirun -H blitzen -np 1 hostname
stty: standard input: Invalid argument
blitzen.egcrc.org
[tsakai@vixen Rmpi]$ mpirun -H vixen -np 1 hostname : -H blitzen -np
1 hostname
stty: standard inputvixen.egcrc.org
blitzen.egcrc.org
[tsakai@vixen Rmpi]$ : Invalid argument
[tsakai@vixen Rmpi]$
[tsakai@vixen Rmpi]$ mpirun -H vixen -np 1 hostname : -H blitzen -np
1 hostname 2> stdErr
vixen.egcrc.org
blitzen.egcrc.org
[tsakai@vixen Rmpi]$
[tsakai@vixen Rmpi]$ cat stdErr
stty: standard input: Invalid argument
[tsakai@vixen Rmpi]$
[tsakai@vixen Rmpi]$ ssh -l tsakai blitzen
Last login: Wed Jan 12 15:41:59 2011 from vixen.egcrc.org
Platform OCS Frontend Node - Blitzen Cluster
Platform OCS 4.5.1 (Flintstone)
Profile built 11:01 10-Jul-2008
Kickstarted 11:02 10-Jul-2008
[tsakai@blitzen ~]$
[tsakai@blitzen ~]$ hostname
blitzen.egcrc.org
[tsakai@blitzen ~]$
[tsakai@blitzen ~]$ mpirun -H blitzen -np 1 hostname
blitzen.egcrc.org
[tsakai@blitzen ~]$ mpirun -H vixen -np 1 hostname
stty: standard inputvixen.egcrc.org
[tsakai@blitzen ~]$ : Invalid argument
[tsakai@blitzen ~]$ mpirun -H vixen -np 1 hostname : -H blitzen -np 1
hostname
stty: standard inputblitzen.egcrc.org
vixen.egcrc.org
[tsakai@blitzen ~]$ : Invalid argument
[tsakai@blitzen ~]$
[tsakai@blitzen ~]$ mpirun -H vixen -np 1 hostname : -H blitzen -np 1
hostname 2> stdErr
blitzen.egcrc.org
vixen.egcrc.org
[tsakai@blitzen ~]$
[tsakai@blitzen ~]$ cat stdErr
stty: standard input: Invalid argument
[tsakai@blitzen ~]$
[tsakai@blitzen ~]$ exit
logout
[tsakai@vixen Rmpi]$
I am using two hosts: vixen and blitzen. It appears that when a machine
other than
the one I am on it is specified via –H flag, I get “stty: standard
input: Invalid argument”
message to stderr. It doesn’t seem to impeed the execution of the
command (in
my example, hostname), though.
Can somebody please tell me what this means and what it takes to cure
the problem?
Thank you.
Tena Sakai
tsa...@gallo.ucsf.edu
Guessin' ...
Anything in your .bashrc/.tcshrc or on
system-wide initialization files in /etc /etc/profile.d
that may be causing the stty output to stderr?
I did a little googling and found some stuff about it.
Perhaps it is not redirecting stderr 2>dev/null.
The message may come from the ssh session opened when mpiexec connects
you to the remote machine.
My $0.02
Gus Correa
