[mvapich-discuss] A problem of background processing

[Xiaohong Zheng]

Hello, Dear TJC,

This works very well. Thank you very much.

Xiaohong

TJC Ward wrote:
> Try redirecting the input from /dev/null, i.e.
>
> mpirun_rsh -np 8 n1 n1 n1 n1 n1 n1 n1 n1 /home/xhzheng/ttt </dev/null 
> >output
>
> It's likely that something in job setup is trying to read from stdin; 
> this will cause the effect you see if 'stdin' is set to a terminal.
> *T J (Chris) Ward, IBM Research
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> *Devendar Bureddy <bureddy at cse.ohio-state.edu>*
> Sent by: mvapich-discuss-bounces at cse.ohio-state.edu
>
> 02/11/2011 06:27 PM
>
> 	
> To
> 	Xiaohong Zheng <xhzheng at foxmail.com>
> cc
> 	mvapich-discuss at cse.ohio-state.edu
> Subject
> 	Re: [mvapich-discuss] A problem of background processing
>
>
>
> 	
>
>
>
>
>
> Hi
>
> I have tried in my environment with latest code base and I'm able to
> run mpirun_rsh in background with out any issues.  The command I have
> tried look like below.
>
> [bureddy at head osu_benchmarks]$ mpirun_rsh -np 8 node003 node003
> node003 node003 node003 node003 node003 node003 ./a.out &> op.out &
> [6] 2676
> [bureddy at head osu_benchmarks]$
>
> Can you please give more specific details ( MVAPICH2 version, gcc, OS,
> shell ..etc) in which you are seeing this issue.  If you are not
> already using latest MVAPICH2 (1.6 - RC2), can you please try this.
>
>
> -Devendar
>
>
> On Wed, Feb 9, 2011 at 2:59 AM, Xiaohong Zheng <xhzheng at foxmail.com> 
> wrote:
> > Hello, Dear All,
> >
> > When I try to run the following command:
> >
> > mpirun_rsh -np 8 n1 n1 n1 n1 n1 n1 n1 n1 /home/xhzheng/ttt >output &
> >
> > the message "[8]+  Stopped                 mpirun_rsh -np 8 n1 n1 n1 
> n1 n1
> > n1 n1 n1 /home/xhzheng/ttt >output" always appears. When use the command
> > "top" to see the status, I can see that it is running. However, 
> there is not
> > any output. When I remove the "&", then I do not see the "Stopped" 
> message
> > and it runs very well and I can see the normal output.
> >
> > I have seen this problem for many times. Could anybody tell me how 
> to deal
> > with it, please?  Thanks!!
> >
> > Xiaohongs
> > _______________________________________________
> > mvapich-discuss mailing list
> > mvapich-discuss at cse.ohio-state.edu
> > http://mail.cse.ohio-state.edu/mailman/listinfo/mvapich-discuss
> >
>
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m