Dear all,
I have noticed a bug with the combination of lapwso_mpi (WIEN2k 17.1) and ifort 18.0.0 (20170811). On a well-formed case that works properly when lapwso_mpi is compiled with ifort 15.0.6, I get crashes on each process shortly after startup like the following: forrtl: severe (24): end-of-file during read, unit 9, file /path/case/./case.vector_1 Image PC Routine Line Source lapwso_mpi 00000000004916D8 Unknown Unknown Unknown lapwso_mpi 00000000004B6065 Unknown Unknown Unknown lapwso_mpi 000000000048ABB6 get_nloat_ 16 get_nloat.f lapwso_mpi 000000000044A361 MAIN__ 144 lapwso.F lapwso_mpi 0000000000406C5E Unknown Unknown Unknown libc-2.12.so 0000003FA401ED5D __libc_start_main Unknown Unknown lapwso_mpi 0000000000406B69 Unknown Unknown Unknown in get_nloat.f this line is simply "read(9)", so I'm guessing there has been some change in raw file access in this ifort version. This crash does not seem to be dependent on optimizations, as I can reproduce it with FPOPT=-O0 -g -FR -traceback -I$(MKLROOT)/include Adding -assume bufferedio (or -assume nobufferedio) does not make a difference. Trapping the IO error on this line and exiting simply causes a later segfault, so there is something more complicated happening here than just reading off the end of the file at the end of the routine: forrtl: severe (174): SIGSEGV, segmentation fault occurred Image PC Routine Line Source lapwso_mpi 000000000047358D Unknown Unknown Unknown libpthread-2.12.s 0000003BE880F7E0 Unknown Unknown Unknown libiomp5.so 00002AAEF045B23D Unknown Unknown Unknown libiomp5.so 00002AAEF045B040 Unknown Unknown Unknown libiomp5.so 00002AAEF045AF6E Unknown Unknown Unknown libiomp5.so 00002AAEF045C039 Unknown Unknown Unknown libiomp5.so 00002AAEF045D7CB Unknown Unknown Unknown libiomp5.so 00002AAEF0454F6E Unknown Unknown Unknown libiomp5.so 00002AAEF0455B6C Unknown Unknown Unknown lapwso_mpi 000000000049F07B Unknown Unknown Unknown lapwso_mpi 000000000040C4CC rotmat_mp_init_ro 229 modules.F lapwso_mpi 000000000043027E MAIN__ 146 lapwso.F lapwso_mpi 0000000000406D5E Unknown Unknown Unknown libc-2.12.so 0000003BE7C1ED5D __libc_start_main Unknown Unknown lapwso_mpi 0000000000406C69 Unknown Unknown Unknown Any ideas? I may be forced to upgrade soon (some Intel cluster license SNAFU). -- Eamon McDermott CEA Grenoble DRT/LETI/DTSI/SCMC
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