--core=... is the right syntax, sorry about that No need to recompile with -g, binary is good enough here
Then you need to run disas in gdb, to disassemble the instruction at 0x08da76e And then, still in gdb info maps or show maps To find out the library this instruction is coming from OpenBLAS is fine, my question is if you compiled it by yourself, and on the same platform Btw, did you run some simple applications with openmpi 2.0.0 ? We do have bits of assembly code, and even if i do not believe they are specific to intel cpus, i might be wrong and that could be the root cause. Also, did you run make check After you built openmpi ? Cheers, Gilles Mahmood Naderan <mahmood...@gmail.com> wrote: >>gdb --pid=core.5383 > > >Are you sure about the syntax? > >PID must be a running process. I see --core which seems to be relevant here. > > >Both OpenMPI and Siesta were compiled with O flags. This is not appropriate >for gdb. Should I compile both of them with debug symbols? > > >>Btw, did you compile lapack and friends by yourself ? > >I use Scalapack which need BLAS. I use OpenBLAS instead of netllib's BLAS? > > > >$ gdb --core=core.5383 >.... >Try: yum --enablerepo='*-debug*' install >/usr/lib/debug/.build-id/e1/ddc85f7caa9f2571545a58479d64ba676217dd >[New Thread 5383] >[New Thread 5416] >[New Thread 5401] >[New Thread 5388] >[New Thread 5407] >[New Thread 5406] >[New Thread 5418] >[New Thread 5393] >[New Thread 5391] >[New Thread 5387] >[New Thread 5405] >[New Thread 5389] >[New Thread 5408] >[New Thread 5417] >[New Thread 5394] >[New Thread 5506] >[New Thread 5404] >[New Thread 5392] >[New Thread 5410] >[New Thread 5411] >[New Thread 5395] >[New Thread 5409] >[New Thread 5403] >[New Thread 5414] >[New Thread 5396] >[New Thread 5412] >[New Thread 5419] >[New Thread 5413] >[New Thread 5509] >[New Thread 5415] >[New Thread 5397] >[New Thread 5420] >[New Thread 5398] >[New Thread 5399] >Core was generated by `/share/apps/siesta/siesta-4.0/tpar/transiesta'. >Program terminated with signal 4, Illegal instruction. >#0 0x00000000008da76e in ?? () >(gdb) bt >#0 0x00000000008da76e in ?? () >#1 0x00000000008da970 in ?? () >#2 0x0000000000bfe9f8 in ?? () >#3 0x0000000000000000 in ?? () >(gdb) > > > >Regards, >Mahmood > >
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