[slurm-users] Wrong hwloc detected?

Ole Holm Nielsen Ole.H.Nielsen at fysik.dtu.dk
Fri Nov 5 12:10:49 UTC 2021

On 11/5/21 12:47, Diego Zuccato wrote:
> 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 at str957-mtx-01:~$ hwloc-info --version
> hwloc-info 2.4.1
> How can Slurm detect such an old HWLOC version?

Maybe the user loads a software module which also loads an old hwloc 
module?   The user should do "module list" in the job to verify this.

My 2 cents,

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