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Run time error - XDRIVER ...SWITCHER.c
I have successfully compiled grass4.1(version 3 update)
on a RISC machine.  XDRIVER compiles ok.  But, when I run
d.mon and try to open a graphics window, I get the following error:

grass4.1> d.mon start=x0	
longjmp or siglongjmp function used outside of saved context
bsh: 6005 Abort: A memory image file is created as "core".
Please start graphics monitor <x0>.
Error - Graphics monitor <x0> not running!
Problem selecting x0. Will try once more
Please start graphics monitor <x0>.
Error - Graphics monitor <x0> not running!
grass4.1>


the signal processing is done in SWITCHER.c in .../XDRIVER/XDRIVER

The source code has been compiled and runs on a SUN operating system 
without any difficulties.

I do not have much experience with signal processing and would appreciate
any input people may have.    

Thank You 

Daniel Epstein
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longjmp or siglongjmp function used outside of saved context
bsh: 6005 Abort: A memory image file is created as "core".
Please start graphics monitor <x0>.
Error - Graphics monitor <x0> not running!
Problem selecting x0. Will try once more
Please start graphics monitor <x0>.
Error - Graphics monitor <x0> not running!

