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[Octave-bug-tracker] [bug #57591] Segmentation faults when running the t
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From: |
Dmitri A. Sergatskov |
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Subject: |
[Octave-bug-tracker] [bug #57591] Segmentation faults when running the test suite |
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Date: |
Thu, 13 May 2021 13:50:53 -0400 (EDT) |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0 |
Follow-up Comment #155, bug #57591 (project octave):
It is a long shot, but what is openblas library on those debian systems? In
fedora openblas is serial, openblasp is pthread, and
openblaso is OpenMP. I have some occasional segafaults in odd places during
make check on AMD/ryzen systems when I used default openblas library (none of
them happens during individual tests). Lately it is on "make check" at
bug-53468 (???).
It is not happening on intel cpus (fedora's buildbots are on i7-2600 at the
moment, but used to be on amd fx-8350).
The crash does not happen if I use OpenMP interface
(I have a vague recollection that openmp is recommended for multithreaded
application so the threads don't clash).
Dmitri.
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