MatView() and Multiple Processes

Tim Stitt timothy.stitt at ichec.ie
Sun Dec 9 11:54:42 CST 2007


Perfect Matthew thanks...I was trying the -display with localhost:0.0 
and all possible permutations but it seems your incantation is the 
correct one.

Cheers,

Tim.

Matthew Knepley wrote:
> I would try -display :0.0
>
>    Matt
>
> On Dec 9, 2007 11:37 AM, Tim Stitt <timothy.stitt at ichec.ie> wrote:
>   
>> Hi all,
>>
>> I was just wondering if someone can tell me how to configure my
>> dual-core laptop to allow graphical X11 output of my PETSc matrices.
>> MatView() works fine on my parallel code with 1 process but I get the
>> following errors on each process when I use more than one:
>>
>> [0]PETSC ERROR: --------------------- Error Message
>> ------------------------------------
>> [0]PETSC ERROR: Error in external library!
>> [0]PETSC ERROR: Unable to open display on localhost.localdomain:0.0
>> .  Make sure your COMPUTE NODES are authorized to connect
>>     to this X server and either your DISPLAY variable
>>     is set or you use the -display name option
>>
>> Thanks in advance as always,
>>
>> Tim.
>>
>> --
>> Dr. Timothy Stitt <timothy_dot_stitt_at_ichec.ie>
>> HPC Application Consultant - ICHEC (www.ichec.ie)
>>
>> Dublin Institute for Advanced Studies
>> 5 Merrion Square - Dublin 2 - Ireland
>>
>> +353-1-6621333 (tel) / +353-1-6621477 (fax)
>>
>>
>>     
>
>
>
>   


-- 
Dr. Timothy Stitt <timothy_dot_stitt_at_ichec.ie>
HPC Application Consultant - ICHEC (www.ichec.ie)

Dublin Institute for Advanced Studies
5 Merrion Square - Dublin 2 - Ireland

+353-1-6621333 (tel) / +353-1-6621477 (fax)




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