Hello all.

Some users are reporting this error:

slurmstepd-str957-mtx-01: error: hwloc_get_obj_below_by_type() failing, task/affinity plugin may be required to address bug fixed in HWLOC version 1.11.5
slurmstepd-str957-mtx-01: error: task[0] unable to set taskset '0x0'

I checked on that node and hwloc is newer:
diego.zuccato@str957-mtx-01:~$ hwloc-info --version
hwloc-info 2.4.1

How can Slurm detect such an old HWLOC version?

BTW I'm using
 TaskPlugin=task/cgroup
in slurm.conf, and cgroup.conf contains:
 CgroupMountpoint=/sys/fs/cgroup
 ConstrainCores=yes
 TaskAffinity=yes
 ConstrainRAMSpace=yes
 ConstrainSwapSpace=yes
 MemorySwappiness=0
 MaxSwapPercent=0
 AllowedSwapSpace=0

Any ideas?

Tks.

--
Diego Zuccato
DIFA - Dip. di Fisica e Astronomia
Servizi Informatici
Alma Mater Studiorum - Università di Bologna
V.le Berti-Pichat 6/2 - 40127 Bologna - Italy
tel.: +39 051 20 95786

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