[mpich-discuss] error on loop usage?

Lu, Huiwei huiweilu at mcs.anl.gov
Thu Dec 19 12:34:43 CST 2013


Some tips:
1. Try to run it in single process first, then run it with 2 processes, and 3 …
2. Use gdb to identify where the segmentation fault is (remember to compile it with ‘-g’).
$ gdb ./your_app
(gdb) r <your app’s parameters>

—
Huiwei

On Dec 19, 2013, at 11:19 AM, Antonio J. Peña <apenya at anl.gov> wrote:

> Hi,
> 
> Your problem doesn't seem related to MPI. You should ask general programming questions in different forums, such as StackOverflow. In addition, a debugger (e.g. gdb) would help you to identify the problem.
> 
> Best,
>   Antonio
> 
> 
> On 12/19/2013 04:53 AM, Soheil Hooshdaran wrote:
>> Hello.
>> My program produces Segmentation fault on uncommenting the lines 99 and  100. I could find no error on those lines, so  please help me.I will attach  the program
>> 
>> 
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> 
> -- 
> Antonio J. Peña
> Postdoctoral Appointee
> Mathematics and Computer Science Division
> Argonne National Laboratory
> 9700 South Cass Avenue, Bldg. 240, Of. 3148
> Argonne, IL 60439-4847
> 
> apenya at mcs.anl.gov
> www.mcs.anl.gov/~apenya
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