Dear all,

In macosx 10.8 I cannot write on more than one file. 

For example, with the following script 

------------------------------------------
from dolfin import *
mesh=UnitSquareMesh(10,10)
V = FunctionSpace(mesh,'CG',1)
u = Function(V)
file_u = File('File1.pvd')
file_v = File('File2.pvd')
------------------------------------------

I get the error message below:

python(53526,0x7fff71a30180) malloc: *** error for object 0x7fff7222b570: 
pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
[majorana:53526] *** Process received signal ***
[majorana:53526] Signal: Abort trap: 6 (6)
[majorana:53526] Signal code:  (0)
[majorana:53526] [ 0] 2   libsystem_c.dylib                   
0x00007fff89ca290a _sigtramp + 26
[majorana:53526] [ 1] 3   ???                                 
0x0000004000000002 0x0 + 274877906946
[majorana:53526] [ 2] 4   libsystem_c.dylib                   
0x00007fff89cf9f61 abort + 143
[majorana:53526] [ 3] 5   libsystem_c.dylib                   
0x00007fff89ccd989 free + 392
[majorana:53526] [ 4] 6   libdolfin.1.2.dylib                 
0x000000010dfe3a2d _ZN6dolfin4File18create_parent_pathESs + 525
[majorana:53526] *** End of error message ***


Do you have an idea of what is the problem? Can anyone reproduce this or is it 
a problem with my personal installation? 
I have the same output both with the self-compiled version of dorsal and the 
.dmg file available on the website. 

I am using fenics-dev.

Sincerely,

Corrado
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