We are running slurm 14.03.7, and using cgroups to limit memory usage. We see this type of message in slurmd.log after each job:
[2014-11-18T03:32:15.316] [8990773] _slurm_cgroup_destroy: problem deleting step cgroup path /dev/cgroup/freezer/slurm/uid_126634/job_8990773/step_batch: Device or resource busy Recently, one of our users reported seeing the following message in the slurm-NNN.out file: slurmstepd: _slurm_cgroup_destroy: problem deleting step cgroup path /dev/cgroup/freezer/slurm/uid_168662/job_8985631/step_batch: Device or resource busy When checking afterwards, it seems the .../uid_NNN directories are removed. Does anyone know what these messages mean? Should we just ignore them? -- Regards, Bjørn-Helge Mevik, dr. scient, Department for Research Computing, University of Oslo
