Hi Daniel, Thank you, I have not used debugger before, I will try tomorrow, but I am skeptical how much of it I will understand .
Navneet On Sat, 14 Dec 2019, 00:49 Daniel Arndt, <[email protected]> wrote: > Navneet, what happens if you run your program in gdb or some other > debugger? > > Am Fr., 13. Dez. 2019 um 13:02 Uhr schrieb navneet roshan < > [email protected]>: > >> Hi Daniel, >> >> Thank you for the quick response, If I change line number 190 in the >> code, to 1 from 4. I am getting following error but no further information >> even in the debug mode. >> >> >> make[3]: *** [CMakeFiles/run.dir/build.make:58: CMakeFiles/run] >> Segmentation fault (core dumped) >> make[2]: *** [CMakeFiles/Makefile2:265: CMakeFiles/run.dir/all] Error 2 >> make[1]: *** [CMakeFiles/Makefile2:272: CMakeFiles/run.dir/rule] Error 2 >> make: *** [Makefile:196: run] Error 2 >> >> Navneet >> >> On Fri, Dec 13, 2019 at 11:00 PM Daniel Arndt <[email protected]> >> wrote: >> >>> Navneet, >>> >>> What is the error you are observing? >>> >>> Best, >>> Daniel >>> >>> Am Fr., 13. Dez. 2019 um 11:44 Uhr schrieb navneet roshan < >>> [email protected]>: >>> >>>> Dear Deal.II community, >>>> >>>> I have been using deal.ii for more than a year. I am solving the >>>> reaction-diffusion problem, I am getting a bizarre runtime error in the >>>> parallel solver. I am using PETSc CG solver. The error appeared after >>>> parallelization. After 3-4 days of debugging, I found the error appears >>>> only if I am using '*repetition*' >>>> (GridGenerator::subdivided_hyper_rectangle(triangulation,repetitions, >>>> a, b,false)) in the rectangular ( >>>> GridGenerator::subdivided_hyper_rectangle) domain mesh creation. I am >>>> attaching a minimal code showing the issue(minimal_diff_code.cc). >>>> >>>> I am calling it bizarre because the code runs perfectly with few >>>> combinations of *'repetitions' *and Global mesh Refinement numbers, >>>> but fails with some other combinations. A table(error_Table.pdf) is >>>> attached showing how the error depends on the number of *repetitions* >>>> and *global_refinement, *and sometimes also on the number of* >>>> processes* used*. *I have tested it in deal.ii 8.5.1 and 9.0.0 also. >>>> >>>> I will be thankful if someone could look into this. >>>> >>>> Thank you >>>> Navneet >>>> >>>> >>>> -- >>>> The deal.II project is located at http://www.dealii.org/ >>>> For mailing list/forum options, see >>>> https://groups.google.com/d/forum/dealii?hl=en >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "deal.II User Group" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/dealii/CAK9McD15f4B4e94-pFfdj84HmWAOhe0Btd41Hi0uBAozE4ma9A%40mail.gmail.com >>>> <https://groups.google.com/d/msgid/dealii/CAK9McD15f4B4e94-pFfdj84HmWAOhe0Btd41Hi0uBAozE4ma9A%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >>> The deal.II project is located at http://www.dealii.org/ >>> For mailing list/forum options, see >>> https://groups.google.com/d/forum/dealii?hl=en >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "deal.II User Group" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/dealii/CAOYDWbKhrrKQ3GqwiyVuOTAAxSaugAb%3Du0%3DFsFXb8n7M%3DuiBzA%40mail.gmail.com >>> <https://groups.google.com/d/msgid/dealii/CAOYDWbKhrrKQ3GqwiyVuOTAAxSaugAb%3Du0%3DFsFXb8n7M%3DuiBzA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> The deal.II project is located at http://www.dealii.org/ >> For mailing list/forum options, see >> https://groups.google.com/d/forum/dealii?hl=en >> --- >> You received this message because you are subscribed to the Google Groups >> "deal.II User Group" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/dealii/CAK9McD1%3D6tNDTjaR3OYiggEE-MHkLp6st9bmeXPqhvXEhLkUWw%40mail.gmail.com >> <https://groups.google.com/d/msgid/dealii/CAK9McD1%3D6tNDTjaR3OYiggEE-MHkLp6st9bmeXPqhvXEhLkUWw%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > The deal.II project is located at http://www.dealii.org/ > For mailing list/forum options, see > https://groups.google.com/d/forum/dealii?hl=en > --- > You received this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/CAOYDWbK-WRv5O6WvTERw1x%2Bda8P1NH4CwVtB0aW7BS5rjJnLAA%40mail.gmail.com > <https://groups.google.com/d/msgid/dealii/CAOYDWbK-WRv5O6WvTERw1x%2Bda8P1NH4CwVtB0aW7BS5rjJnLAA%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. 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