[Octave-bug-tracker] [bug #54230] Test script in build process fails with OpenBLAS-0.3.1

[Julian]

URL:
  <http://savannah.gnu.org/bugs/?54230>

                 Summary: Test script in build process fails with
OpenBLAS-0.3.1
                 Project: GNU Octave
            Submitted by: marrowsuck
            Submitted on: Mon 02 Jul 2018 02:07:02 PM UTC
                Category: Configuration and Build System
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Build Failure
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: other
        Operating System: GNU/Linux

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Details:

Test script fails with:

  libinterp/corefcn/graphics.cc-tst ........................... PASS    
47/47
                                             (run-time condition) SKIP    3
  libinterp/corefcn/gsvd.cc-tst ...............................OpenBLAS :
Program will terminate because you tried to start too many threads.           
                                                       
OpenBLAS : Program will terminate because you tried to start too many
threads.
fatal: caught signal OpenBLAS : Program will terminate because you tried to
start too many threads.
Segmentation fault -- stopping myself...
/bin/sh: line 1:  5455 Segmentation fault      /bin/sh ../run-octave --norc
--silent --no-history -p /tmp/SBo/octave-VCS/test/mex
/tmp/SBo/octave-VCS/test/fntests.m /tmp/SBo/octave-VCS/test                  

make[3]: *** [Makefile:31870: check-local] Error 139
make[3]: Leaving directory '/tmp/SBo/octave-VCS'
make[2]: *** [Makefile:28026: check-am] Error 2
make[2]: Leaving directory '/tmp/SBo/octave-VCS'
make[1]: *** [Makefile:27734: check-recursive] Error 1
make[1]: Leaving directory '/tmp/SBo/octave-VCS'
make: *** [Makefile:28028: check] Error 2


Here are the last lines of fntests.log:

>>>>> processing /tmp/SBo/octave-VCS/libinterp/corefcn/gsvd.cc-tst
***** test <48807>
 A = reshape (1:15,5,3);
 B = magic (3);
 [U,V,X,C,S] = gsvd (A,B);
 assert (U*C*X', A, 50*eps);
 assert (V*S*X', B, 50*eps);
 S0 = gsvd (A, B);
 S1 = svd (A / B);
 assert (S0, S1, 10*eps);
!!!!! known bug: https://octave.org/testfailure/?48807
operator *: nonconformant arguments (op1 is 5x5, op2 is 3x3)


The build completes with OpenBLAS-0.3.0.

See here for the concerning OpenBLAS code:
https://github.com/xianyi/OpenBLAS/blob/3d3c19717cd2f96aa2221a7b8b0d330691f17ca1/driver/others/memory.c




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