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Groups > linux.debian.bugs.dist > #1012039

Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock

From Dirk Eddelbuettel <edd@debian.org>
Newsgroups linux.debian.bugs.dist
Subject Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock
Date 2020-05-30 22:20 +0200
Message-ID <Acg7v-1Js-3@gated-at.bofh.it> (permalink)
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On 30 May 2020 at 21:39, Sébastien Villemot wrote:
| Control: tags -1 + patch
| 
| Hi Graham,
| 
| Le samedi 30 mai 2020 à 15:09 +0200, Graham Inggs a écrit :
| 
| > I was able to reproduce this in Ubuntu 20.04 on i7-2600 with the
| >     Rscript -e "example(solve)"
| > test case.  Rebuilding with
| >     export DEB_LDFLAGS_MAINT_STRIP="-Wl,-Bsymbolic-functions"
| > in debian/rules solved it for me.
| > 
| > On Sat, 30 May 2020 at 09:15, Sébastien Villemot <
| > sebastien@debian.org
| > > wrote:
| > > Just one question: did you try to rebuild it from source without
| > > changing anything? Maybe it’s just the rebuild that fixed it, and not
| > > the flag change.
| > 
| > I confirm that a no-change rebuild had no effect.
| 
| Thanks to you (and to Mo) for doing those rebuilds.
| 
| > Could we get this fixed in Debian?  At worst, it should be a no-op in
| > Debian, and should someone try rebuilding locally with -Bsymbolic-
| > functions they won't fall into this trap.
| 
| Sure, we’ll fix it in Debian (a similar fix is present in src:lapack,
| by the way).
| 
| It could however take some time, because we are currently waiting for
| NEW clearance from the most recent upload of src:openblas.

Awesome too. Really good to see everybody remains on top of this.

Dirk
 
| Best,
| 
| -- 
| ⢀⣴⠾⠻⢶⣦⠀  Sébastien Villemot
| ⣾⠁⢠⠒⠀⣿⡁  Debian Developer
| ⢿⡄⠘⠷⠚⠋⠀  https://sebastien.villemot.name
| ⠈⠳⣄⠀⠀⠀⠀  https://www.debian.org
| 
| [DELETED ATTACHMENT signature.asc, application/pgp-signature]

-- 
http://dirk.eddelbuettel.com | @eddelbuettel | edd@debian.org

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Thread

Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock Mo Zhou <lumin@debian.org> - 2020-05-30 03:30 +0200
  Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock Dirk Eddelbuettel <edd@debian.org> - 2020-05-30 04:00 +0200
  Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock Sébastien Villemot <sebastien@debian.org> - 2020-05-30 09:20 +0200
    Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock Graham Inggs <ginggs@debian.org> - 2020-05-30 21:40 +0200
      Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock Sébastien Villemot <sebastien@debian.org> - 2020-05-30 21:50 +0200
        Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock Dirk Eddelbuettel <edd@debian.org> - 2020-05-30 22:20 +0200
          Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock Dirk Eddelbuettel <edd@debian.org> - 2020-06-01 13:30 +0200
            Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock Dirk Eddelbuettel <edd@debian.org> - 2020-06-03 18:40 +0200
              Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock Graham Inggs <ginggs@debian.org> - 2020-06-04 10:50 +0200
                Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock Dirk Eddelbuettel <edd@debian.org> - 2020-06-04 14:20 +0200
                Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock Graham Inggs <ginggs@debian.org> - 2020-06-04 14:40 +0200
      Bug#961725: libopenblas-dev: On some cpus, openmp and pthread dead-lock Dirk Eddelbuettel <edd@debian.org> - 2020-05-30 22:20 +0200

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