Package: libblas3 Version: 1.2.20110419-3 Severity: normal The following simple testcase ------------- $ cat try_dgemm.f90 program try_dgemm ! -*-fortran-*- integer, parameter :: N = 20 double precision, dimension(N,N) :: A, B, C call dgemm( 'N', 'N', N, N, N, 1.0, A, N, B, N, 0.0, C, N) end program try_dgemm -------------
fails to run when linked with a shared BLAS library. Each of the following cases gfortran -o try_dgemm -ggdb -pedantic -Wall try_dgemm.f90 -lblas gfortran -o try_dgemm -ggdb -pedantic -Wall try_dgemm.f90 /usr/lib/libblas/libblas.so gfortran -o try_dgemm -ggdb -pedantic -Wall try_dgemm.f90 /usr/lib/atlas-base/atlas/libblas.so gfortran -o try_dgemm -ggdb -pedantic -Wall try_dgemm.f90 /usr/lib/libblas.so will fail: -------------------------------- $ ./try_dgemm GNU gdb (GDB) 7.4.1-debian Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "powerpc-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /home/dima/Desktop/fortran/try_dgemm...done. (gdb) run Starting program: /home/dima/Desktop/fortran/try_dgemm [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/powerpc-linux-gnu/libthread_db.so.1". Program received signal SIGILL, Illegal instruction. 0x0fc7f55c in ATL_dptgemm_nt () from /usr/lib/libblas.so.3 (gdb) ---------------------------------- However statically linking it: gfortran -o try_dgemm -ggdb -pedantic -Wall try_dgemm.f90 /usr/lib/libblas.a will produce an executable that runs ok. Thanks, regards, Dima. -- System Information: Debian Release: wheezy/sid APT prefers testing APT policy: (500, 'testing') Architecture: powerpc (ppc) Kernel: Linux 3.2.0-2-powerpc Locale: LANG=ru_RU.UTF-8, LC_CTYPE=ru_RU.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Versions of packages libblas3 depends on: ii libc6 2.13-33 ii libgcc1 1:4.7.1-2 ii libgfortran3 4.7.1-2 libblas3 recommends no packages. libblas3 suggests no packages. -- no debconf information -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org