Dear maintainers,
I recently ran into an issue runnion our software (https://github.com/KhiopsML/khiops) on debian 11. It is an AutoML suite that uses MPICH to parallelize the computations. It works fine on a variety of platforms and OSes, but with debian 11 it seems that MPICH installation prevents our software from working correctly. In fact, after some work trying to clean up the installation, we found that the issue is occuring even with an installation of MPICH alone. On a fresh debian (started with docker run debian:11) docker run -it debian:11 bash root@67506d5ed8a1:/# apt-get update && apt install mpich ..... Setting up libmpich-dev:amd64 (3.4.1-5~deb11u1) ... update-alternatives: using /usr/include/x86_64-linux-gnu/mpich to provide /usr/include/x86_64-linux-gnu/mpi (mpi-x86_64-linux-gnu) in auto mode Processing triggers for libc-bin (2.31-13+deb11u7) ... root@67506d5ed8a1:/# root@67506d5ed8a1:/# mpiexec -bind-to hwthread -map-by core -n 5 ls <-- of course problem occurs also with a real MPI program! [mpiexec@67506d5ed8a1] control_cb (pm/pmiserv/pmiserv_cb.c:206): assert (!closed) failed [mpiexec@67506d5ed8a1] HYDT_dmxu_poll_wait_for_event (tools/demux/demux_poll.c:76): callback returned error status [mpiexec@67506d5ed8a1] HYD_pmci_wait_for_completion (pm/pmiserv/pmiserv_pmci.c:160): error waiting for event [mpiexec@67506d5ed8a1] main (ui/mpich/mpiexec.c:326): process manager error waiting for completion root@67506d5ed8a1:/# Sometimes the mpiexec command fails with [proxy:0:0@67506d5ed8a1] HYDT_topo_bind (tools/topo/topo.c:89): no topology library available Indeed doing "mpiexec -h" reports no topology library being detected. Any help moving this issue forward would be greatly appreciated. Thanks a lot in advance, best regards, Stéphane Gouache ____________________________________________________________________________________________________________ Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu ce message par erreur, veuillez le signaler a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration, Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci. This message and its attachments may contain confidential or privileged information that may be protected by law; they should not be distributed, used or copied without authorisation. If you have received this email in error, please notify the sender and delete this message and its attachments. As emails may be altered, Orange is not liable for messages that have been modified, changed or falsified. Thank you.
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