OK, the problem is that we use DOLFIN_NOPLOT=1:

[EMAIL PROTECTED]:~/dolfin-ass/demo/plot/python$ export DOLFIN_NOPLOT=1
[EMAIL PROTECTED]:~/dolfin-ass/demo/plot/python$ p demo.py
Traceback (most recent call last):
  File "demo.py", line 74, in <module>
    plot(f)
  File "/tmp/lib/python2.5/site-packages/dolfin/plot.py", line 19, in plot
    file << u
  File "/tmp/lib/python2.5/site-packages/dolfin/dolfin.py", line 5691, 
in __lshift__
    return _dolfin.File___lshift__(*args)
RuntimeError: *** Error: Only DiscreteFunctions can be written in VTK 
format.

This didn't use to happen before.

ilmar

Ilmar Wilbers wrote:
> Yes, take a look at 
> http://fenics.org:8010/dolfin/linux_64/builds/603/step-test/1
>
> Tis goes for all buildbots. If it is working for you, what could be 
> wrong with my setup? I don't have VTK on the buildbots.
>
> ilmar
>
> Anders Logg wrote:
>   
>> That demo works for me. Are you talking about
>> demo/plot/python/demo.py?
>>
>>   
>> ------------------------------------------------------------------------
>>
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