There is additional advice to still try in the cited article. The fortran standard does not speak about stack and heap at all, that is an implementation detail. The bad subscript must occur somewhere in the first 420,000 steps and leaves unknown corruption behind. The usual step one is to turn on all the debugging aids your compiler offers. Be glad it died as that is a symptom of your problem. Im not sure if this problem is caused through bad compiler or anything else. Of course the fact you are able to run on low core count will suggest that at least your baselibs build and the loaded mpi module are consistent. Strange sigsegv error at the end of a fortran program. Those will help offer source fileline number information in the traceback you included in your post which should help identify the point of the failure and calling sequence in reaching that point. When i run my code compiled with the intel fortran compiler i get sigsegv on linux or sigbus on macos. Therefore it is impossible to control the stack or heap behaviour from the fortran code itself. I tried running the code at uni a few days ago and it ran with no errors. The program works fine, but after the end program statement it gives a strange error. List of runtime error messages colorado school of mines.
Sigsegv, segmentation fault occurred image pc routine line source real. But it failed again with the same sigsegv error, and the trace back report was not also created. The allocatable statements does nothing with respective allocate, and the segment fault probably occurs when you are using a memory range that wasnt properly allocated. Fortran segmentation fault invalid memory reference. Debugger segmentation fault sigsegv page 1 user support approximatrix forums for discussions of all approximatrix products and related software. Optimization level as compiled originally is probably different than whats used when in the debug mode. A sigsegv error in a run program how to generate a trace. When i run my fortran program i get a segmentation fault. Determining root cause of segmentation faults sigsegv or sigbus errors published on september 29, 2011, updated december 26, 2018 problem. Bug fortran70058 segmentation fault when open file with existing file and status unknown from. As before with your fortran problems, you should preferably post all statements related to the problem.
1318 428 1516 854 713 83 332 21 574 1387 224 277 1280 223 67 995 1334 69 1110 669 1369 541 450 850 1492 336 687 1258 303 236