[mpich-discuss] mpiexec and DISPLAY for remote hosts

[Lu, Huiwei]

You can also try with 'ssh -X’ to connect.

—
Huiwei

> On Nov 11, 2014, at 6:44 PM, Balaji, Pavan <balaji at anl.gov> wrote:
> 
> 
> Did you try passing -enable-x to mpiexec?
> 
>  — Pavan
> 
>> On Nov 11, 2014, at 5:00 PM, Isaila, Florin D. <fisaila at mcs.anl.gov> wrote:
>> 
>> Hi, 
>> 
>> I am having troubles running mpiexec (from MPICH 3.1) on remote hosts with xterm (for debugging purposes) from an Ubuntu box.
>> 
>> The following command works perfectly in local:
>> mpiexec -n 1 xterm 
>> 
>> However, if I use a machine file: 
>> mpiexec -f macfile -n 1 xterm 
>> xterm Xt error: Can't open display: 
>> xterm:  DISPLAY is not set
>> 
>> ===================================================================================
>> =   BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES
>> =   PID 19225 RUNNING AT thwomp.mcs.anl.gov
>> =   EXIT CODE: 1
>> =   CLEANING UP REMAINING PROCESSES
>> =   YOU CAN IGNORE THE BELOW CLEANUP MESSAGES
>> ===================================================================================
>> 
>> X forwarding is activated:
>> fisaila at howard:bin$ grep X11Forwarding /etc/ssh/sshd_config
>> X11Forwarding yes
>> 
>> The following command works:
>> fisaila at howard:bin$ ssh thwomp.mcs.anl.gov xterm
>> 
>> Any suggestion how to solve this?
>> 
>> Thanks
>> Florin
>> 
>> 
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> 
> --
> Pavan Balaji  ✉️
> http://www.mcs.anl.gov/~balaji
> 
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