Re: ssh -X Error: Can't open display: :0.0

[Javier Barroso <javibarroso@gmail.com>]

On Tue, Dec 1, 2009 at 6:03 PM, Mathieu Malaterre
<mathieu.malaterre@gmail.com> wrote:
> On Tue, Dec 1, 2009 at 5:49 PM, Javier Barroso <javibarroso@gmail.com> wrote:
>> Hi,
>>
>> On Tue, Dec 1, 2009 at 5:35 PM, Mathieu Malaterre
>> <mathieu.malaterre@gmail.com> wrote:
>>> Hi there,
>>>
>>>  I am getting confused. I cannot get xclock to run on a remote host
>>> from my ssh session:
>>>
>>> local $ ssh -X mpi0
>>> remote $ xclock
>>> Error: Can't open display: :0.0
>>>
>>> But I can still do:
>>>
>>> local $ ssh -Xf mpi0 xclock
>>>
>>> Could someone please remind me what is the difference, and what am I
>>> missing in the first scenario ?
>> Do you set DISPLAY variable in your login ?
>>
>> If you do you have to unset it (don't assign any value in any session
>> config file).
>
> Ah ! That was the trick.
> I can now move on to the next issue, how to get mpirun to do ssh -X
> ... (since ForwardX11 yes is not honored...)
Maybe the response is in mpi faq (search xterm):
http://www.open-mpi.de/faq/?category=debugging

I think you will have to disable -nolisten option in X see this bug
for reference:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=539186

Regards,



>
> Thanks !
> --
> Mathieu
>
>
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