[GE users] X11 Forwarding with qrsh

Reuti reuti at staff.uni-marburg.de
Tue Aug 29 17:30:26 BST 2006


Am 28.08.2006 um 19:01 schrieb SLIM H.A.:

> <snip>
>
> On our system this has the following effects:
> 1) If I login to a node, the X11 forwarding does not work
>
> ssh node1
ssh -Y node1
> ... logged in to node1
> ... check DISPLAY on node1
> echo $DISPLAY
> DISPLAY: Undefined variable.
>
> All requirements for X11 forwarding seem to be met, yet it does not  
> happen.
> What changes have to be made further?
>
> 2) However, the same node is also a host in the qrsh queue and
>
> qrsh -q qrsh.q at node1
>
> also logs on to that node but now X11 forwarding _does_ work:
> ... check DISPLAY on node1
> echo $DISPLAY
> localhost:10.0
>
> and windowing applications work fine.
>
> 3) Parallel batch jobs on the system now have warnings in the  
> stderr files, of the type
>
> "Disconnecting: Bad packet length 619082811."
I never saw this before, but maybe it's showing up because you are  
using ssh? Can you try for curiosity whether it's working with a  
Tight Integration using SGE's own qrsh command?

-- Reuti

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