How to debug "Access not within mapped region" runtime error

[Jerry DeLisle]

Florian wrote:
> Florian wrote:
>> Jerry DeLisle wrote:
>>> Florian wrote:
>>>>
>>>> I have a piece of code causing runtime troubles with gfortran 
>>>> (compiling problems are solved thanks to your quick patchings). It 
>>>> works with NAG, lahey, and intel fortran compiler, so I guess the 
>>>> troubles are related with gfortran, that's why I would ask for 
>>>> advice here how to debug the situation.
>>>>
> 
> 
> I could reduce my test case a lot now to show where the gdb seg fault 
> comes from. I believe that this might be also the solution to the actual 
> problem, though I am not sure yet.
> 
> This produces a seg fault in gdb when setting a breakpoint to 
> chartestmod.f90:5 and trying to print startdate:
> 
> 
... SNIP ...

> 
> 
> Now, change in chartestmod.f90 'LEN=*' to 'LEN=19' and gdb does not 
> segfault anymore. I somehow think that this is related to my actual 
> problem, so: any ideas if this is related to a gfortran bug?
> 
> thanks, florian

I can not reproduce the problem.  What operating system are you using and what 
hardware platform?.

Can you send the complete result of 'gfortran -v' output.  This will give us 
some configuration and build information.

Jerry