Do you have PAM enabled in SLURM?

https://computing.llnl.gov/linux/slurm/faq.html#pam

On Mon, 24 Oct 2011 07:26:58 -0700, Matteo Guglielmi <[email protected]> 
wrote:
> On all nodes we have:
> 
> $ cat /etc/security/limits.conf 
> * soft memlock unlimited
> * hard memlock unlimited
> 
> 
> ############# jobfile ###############
> #!/bin/bash
> #SBATCH -o job-%N-%j.out
> #SBATCH -J testlimits
> #SBATCH --nodes=1
> 
> whoami
> 
> echo
> 
> hostname
> 
> echo
> 
> ulimit -a
> 
> echo
> 
> ulimit -l unlimited
> 
> echo
> 
> ulimit -a
> 
> ulimit -s unlimited
> 
> echo
> 
> ulimit -a
> #############################
> 
> $ sbatch job.sh 
> 
> Submitted batch job 1723
> 
> $ cat job-lbs02-1723.out
> 
> software
> 
> lbs02
> 
> core file size          (blocks, -c) 0
> data seg size           (kbytes, -d) 131072
> scheduling priority             (-e) 0
> file size               (blocks, -f) unlimited
> pending signals                 (-i) 204800
> max locked memory       (kbytes, -l) 32               <<<<<====
> max memory size         (kbytes, -m) unlimited
> open files                      (-n) 1024
> pipe size            (512 bytes, -p) 8
> POSIX message queues     (bytes, -q) 819200
> real-time priority              (-r) 0
> stack size              (kbytes, -s) 8192             <<<<=====
> cpu time               (seconds, -t) unlimited
> max user processes              (-u) 71680
> virtual memory          (kbytes, -v) unlimited
> file locks                      (-x) unlimited
> 
> /var/run/slurm/slurmd/job01723/slurm_script: line 18: ulimit: max locked 
> memory: cannot modify limit: Operation not permitted
> 
> core file size          (blocks, -c) 0
> data seg size           (kbytes, -d) 131072
> scheduling priority             (-e) 0
> file size               (blocks, -f) unlimited
> pending signals                 (-i) 204800
> max locked memory       (kbytes, -l) 32               <<<<<====
> max memory size         (kbytes, -m) unlimited
> open files                      (-n) 1024
> pipe size            (512 bytes, -p) 8
> POSIX message queues     (bytes, -q) 819200
> real-time priority              (-r) 0
> stack size              (kbytes, -s) 8192             <<<<<====
> cpu time               (seconds, -t) unlimited
> max user processes              (-u) 71680
> virtual memory          (kbytes, -v) unlimited
> file locks                      (-x) unlimited
> 
> core file size          (blocks, -c) 0
> data seg size           (kbytes, -d) 131072
> scheduling priority             (-e) 0
> file size               (blocks, -f) unlimited
> pending signals                 (-i) 204800
> max locked memory       (kbytes, -l) 32               <<<<<====
> max memory size         (kbytes, -m) unlimited
> open files                      (-n) 1024
> pipe size            (512 bytes, -p) 8
> POSIX message queues     (bytes, -q) 819200
> real-time priority              (-r) 0
> stack size              (kbytes, -s) unlimited        <<<<<====
> cpu time               (seconds, -t) unlimited
> max user processes              (-u) 71680
> virtual memory          (kbytes, -v) unlimited
> file locks                      (-x) unlimited
> 
> 
> But if I login directly on node "lbs02" via ssh both
> "ulimit -l unlimited" and "ulimit -s unlimited" commands
> give me no problem at all.
> 
> [software@lbs02:~]$ ulimit -l unlimited
> 
> [software@lbs02:~]$ ulimit -s unlimited
> 
> [software@lbs02:~]$ ulimit -a
> core file size          (blocks, -c) 0
> data seg size           (kbytes, -d) unlimited
> scheduling priority             (-e) 0
> file size               (blocks, -f) unlimited
> pending signals                 (-i) 204800
> max locked memory       (kbytes, -l) unlimited        <<<<<====
> max memory size         (kbytes, -m) unlimited
> open files                      (-n) 1024
> pipe size            (512 bytes, -p) 8
> POSIX message queues     (bytes, -q) 819200
> real-time priority              (-r) 0
> stack size              (kbytes, -s) unlimited        <<<<<====
> cpu time               (seconds, -t) unlimited
> max user processes              (-u) 204800
> virtual memory          (kbytes, -v) unlimited
> file locks                      (-x) unlimited
> 
> 
> Thanks,
> 
> --matt
> 

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