Thanks Paul, I will see what I can do to fix this one. -Nathan
On Mon, May 02, 2016 at 02:30:19PM -0700, Paul Hargrove wrote: > I have an Pentium III Linux system which fails "make check" with: > make[3]: Entering directory > > `/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-x86-OpenSuSE-10.2/BLD/ompi/debuggers' > make[4]: Entering directory > > `/home/phargrov/OMPI/openmpi-2.0.0rc2-linux-x86-OpenSuSE-10.2/BLD/ompi/debuggers' > PASS: predefined_gap_test > PASS: predefined_pad_test > > /home/phargrov/OMPI/openmpi-2.0.0rc2-linux-x86-OpenSuSE-10.2/openmpi-2.0.0rc2/config/test-driver: > line 107: 24448 Illegal instruction "$@" >$log_file 2>&1 > FAIL: dlopen_test > > ============================================================================ > Testsuite summary for Open MPI 2.0.0rc2 > > ============================================================================ > # TOTAL: 3 > # PASS: 2 > # SKIP: 0 > # XFAIL: 0 > # FAIL: 1 > # XPASS: 0 > # ERROR: 0 > > ============================================================================ > See ompi/debuggers/test-suite.log > Please report to http://www.open-mpi.org/community/help/ > > ============================================================================ > Examining a core file with gdb: > > Core was generated by `.libs/dlopen_test'. > Program terminated with signal 4, Illegal instruction. > #0 0xb7d1caf9 in flush_and_invalidate_cache (a=3082248320) > at > > /home/phargrov/OMPI/openmpi-2.0.0rc2-linux-x86-OpenSuSE-10.2/openmpi-2.0.0rc2/opal/mca/patcher/base/patcher_base_patch.c:84 > 84 __asm__ volatile("mfence;clflush %0;mfence" : :"m" > (*(char*)a)); > > I am fairly confident that the problem is the "clflush" instruction which > is not supported by most (all?) Intel processors prior to the introduction > of SSE2. > -Paul > -- > Paul H. Hargrove phhargr...@lbl.gov > Computer Languages & Systems Software (CLaSS) Group > Computer Science Department Tel: +1-510-495-2352 > Lawrence Berkeley National Laboratory Fax: +1-510-486-6900 > _______________________________________________ > devel mailing list > de...@open-mpi.org > Subscription: https://www.open-mpi.org/mailman/listinfo.cgi/devel > Link to this post: > http://www.open-mpi.org/community/lists/devel/2016/05/18877.php
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