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<div>Looking at the SLURM code, it looks like it is failing with a call to <span>
getpwuid_r on the ctld<br>
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<div><span><br>
</span></div>
<div><span>What is (on <font face="monospace">slurm-master</font>):<br>
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<div><span><br>
</span></div>
<div><span>getent passwd turing</span></div>
<div><span>getent passwd 1000<br>
</span></div>
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</span></div>
<div><span>Sean<br>
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<div dir="ltr">--</div>
Sean Crosby | <span>Senior DevOpsHPC Engineer and HPC Team Lead</span><br>
Research Platform Services | Business Services<br>
CoEPP Research Computing | School of Physics<br>
The University of Melbourne, Victoria 3010 Australia<br>
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<div dir="ltr" class="gmail_attr">On Mon, 7 Oct 2019 at 18:36, Eddy Swan <<a href="mailto:eddys@prestolabs.io" target="_blank">eddys@prestolabs.io</a>> wrote:<br>
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<div dir="ltr">Hi Marcus,
<div><br>
</div>
<div>pilget-17 as submit host:</div>
<div><font face="monospace">$ id 1000<br>
uid=1000(turing) gid=1000(turing) groups=1000(turing),10(wheel),991(vboxusers)</font><br>
</div>
<div><br>
</div>
<div>piglet-18:</div>
<div><font face="monospace">$ id 1000<br>
uid=1000(turing) gid=1000(turing) groups=1000(turing),10(wheel),992(vboxusers)</font><br>
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<div><br>
</div>
<div>id 1000 is a local user for each node (piglet-17~19).</div>
<div>I also tried to submit as ldap user, but still got the same error.</div>
<div><br>
</div>
<div>Best regards,</div>
<div>Eddy Swan</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Oct 7, 2019 at 2:41 PM Marcus Wagner <<a href="mailto:wagner@itc.rwth-aachen.de" target="_blank">wagner@itc.rwth-aachen.de</a>> wrote:<br>
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<div bgcolor="#FFFFFF">Hi Eddy,<br>
<br>
what is the result of "id 1000" on the submithost and on piglet-18?<br>
<br>
Best<br>
Marcus<br>
<br>
<div>On 10/7/19 8:07 AM, Eddy Swan wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hi All,
<div><br>
</div>
<div>I am currently testing slurm version 19.05.3-2 on Centos 7 with one master and 3 nodes configuration.</div>
<div>I used the same configuration that works on version 17.02.7 but for some reasons, it does not work on 19.05.3-2.<br>
</div>
<div><br>
</div>
<div><font face="monospace">$ srun hostname<br>
srun: error: Unable to create step for job 19: Error generating job credential<br>
srun: Force Terminated job 19</font><br>
</div>
<div><br>
</div>
<div>If i run it as root, it works fine.</div>
<div><br>
</div>
<div><font face="monospace">$ sudo srun hostname<br>
piglet-18</font><br>
</div>
<div><br>
</div>
<div>Configuration:</div>
<div><font face="monospace">$ cat /etc/slurm/slurm.conf<br>
# Common<br>
ControlMachine=slurm-master<br>
ControlAddr=10.15.131.32<br>
ClusterName=slurm-cluster<br>
RebootProgram="/usr/sbin/reboot"<br>
<br>
MailProg=/bin/mail<br>
ProctrackType=proctrack/cgroup<br>
ReturnToService=2<br>
StateSaveLocation=/var/spool/slurmctld<br>
TaskPlugin=task/cgroup<br>
<br>
# LOGGING AND ACCOUNTING<br>
AccountingStorageType=accounting_storage/filetxt<br>
AccountingStorageLoc=/var/log/slurm_acct/slurm_jobacct.log<br>
JobCompLoc=/var/log/slurm_acct/slurm_jobcomp.log<br>
JobAcctGatherType=jobacct_gather/cgroup<br>
<br>
# RESOURCES<br>
MemLimitEnforce=no<br>
<br>
## Rack 1<br>
NodeName=piglet-19 NodeAddr=10.15.2.19 RealMemory=64000 TmpDisk=512000 Sockets=2 CoresPerSocket=28 ThreadsPerCore=1 CPUSpecList=0,1 Weight=2<br>
NodeName=piglet-18 NodeAddr=10.15.2.18 RealMemory=128000 TmpDisk=512000 Sockets=2 CoresPerSocket=14 ThreadsPerCore=1 CPUSpecList=0,1 Weight=2<br>
NodeName=piglet-17 NodeAddr=10.15.2.17 RealMemory=64000 TmpDisk=512000 Sockets=2 CoresPerSocket=28 ThreadsPerCore=1 CPUSpecList=0,1 Weight=3<br>
<br>
# Preempt<br>
PreemptMode=REQUEUE<br>
PreemptType=preempt/qos<br>
<br>
PartitionName=batch Nodes=ALL MaxTime=2880 OverSubscribe=YES State=UP PreemptMode=REQUEUE PriorityTier=10 Default=YES<br>
<br>
# TIMERS<br>
KillWait=30<br>
MinJobAge=300<br>
MessageTimeout=3<br>
<br>
# SCHEDULING<br>
FastSchedule=1<br>
SchedulerType=sched/backfill<br>
SelectType=select/cons_res<br>
#SelectTypeParameters=CR_Core_Memory<br>
SelectTypeParameters=CR_CPU_Memory<br>
DefMemPerCPU=128<br>
<br>
# Limit<br>
MaxArraySize=201<br>
<br>
# slurmctld<br>
SlurmctldDebug=5<br>
SlurmctldLogFile=/var/log/slurm/slurmctld.log<br>
SlurmctldPidFile=/var/slurm/slurmctld.pid<br>
SlurmctldPort=6817<br>
SlurmctldTimeout=60<br>
SlurmUser=slurm<br>
<br>
# slurmd<br>
SlurmdDebug=5<br>
SlurmdLogFile=/var/log/slurmd.log<br>
SlurmdPort=6818<br>
SlurmdSpoolDir=/var/spool/slurmd<br>
SlurmdTimeout=300<br>
<br>
# REQUEUE<br>
#RequeueExitHold=1-199,201-255<br>
#RequeueExit=200<br>
RequeueExitHold=201-255<br>
RequeueExit=200<br>
</font></div>
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<div><font face="arial, sans-serif">Slurmctld.log </font></div>
<div><font face="monospace">[2019-10-07T13:38:47.724] debug:  sched: Running job scheduler<br>
[2019-10-07T13:38:49.254] error: slurm_auth_get_host: Lookup failed: Unknown host<br>
[2019-10-07T13:38:49.255] sched: _slurm_rpc_allocate_resources JobId=19 NodeList=piglet-18 usec=959<br>
[2019-10-07T13:38:49.259] debug:  laying out the 1 tasks on 1 hosts piglet-18 dist 2<br>
[2019-10-07T13:38:49.260] error: slurm_cred_create: getpwuid failed for uid=1000<br>
[2019-10-07T13:38:49.260] error: slurm_cred_create error<br>
[2019-10-07T13:38:49.262] _job_complete: JobId=19 WTERMSIG 1<br>
[2019-10-07T13:38:49.265] _job_complete: JobId=19 done<br>
[2019-10-07T13:38:49.270] debug:  sched: Running job scheduler<br>
[2019-10-07T13:38:56.823] debug:  sched: Running job scheduler<br>
[2019-10-07T13:39:13.504] debug:  backfill: beginning<br>
[2019-10-07T13:39:13.504] debug:  backfill: no jobs to backfill<br>
[2019-10-07T13:39:40.871] debug:  Spawning ping agent for piglet-19<br>
[2019-10-07T13:39:43.504] debug:  backfill: beginning<br>
[2019-10-07T13:39:43.504] debug:  backfill: no jobs to backfill<br>
[2019-10-07T13:39:46.999] error: slurm_auth_get_host: Lookup failed: Unknown host<br>
[2019-10-07T13:39:47.001] sched: _slurm_rpc_allocate_resources JobId=20 NodeList=piglet-18 usec=979<br>
[2019-10-07T13:39:47.005] debug:  laying out the 1 tasks on 1 hosts piglet-18 dist 2<br>
[2019-10-07T13:39:47.144] _job_complete: JobId=20 WEXITSTATUS 0<br>
[2019-10-07T13:39:47.147] _job_complete: JobId=20 done<br>
[2019-10-07T13:39:47.158] debug:  sched: Running job scheduler<br>
[2019-10-07T13:39:48.428] error: slurm_auth_get_host: Lookup failed: Unknown host<br>
[2019-10-07T13:39:48.429] sched: _slurm_rpc_allocate_resources JobId=21 NodeList=piglet-18 usec=1114<br>
[2019-10-07T13:39:48.434] debug:  laying out the 1 tasks on 1 hosts piglet-18 dist 2<br>
[2019-10-07T13:39:48.559] _job_complete: JobId=21 WEXITSTATUS 0<br>
[2019-10-07T13:39:48.560] _job_complete: JobId=21 done<br>
</font></div>
<div><br>
</div>
<div>slurmd.log on piglet-18</div>
<div><font face="monospace">[2019-10-07T13:38:42.746] debug:  _rpc_terminate_job, uid = 3001<br>
[2019-10-07T13:38:42.747] debug:  credential for job 17 revoked<br>
[2019-10-07T13:38:47.721] debug:  _rpc_terminate_job, uid = 3001<br>
[2019-10-07T13:38:47.722] debug:  credential for job 18 revoked<br>
[2019-10-07T13:38:49.267] debug:  _rpc_terminate_job, uid = 3001<br>
[2019-10-07T13:38:49.268] debug:  credential for job 19 revoked<br>
[2019-10-07T13:39:47.014] launch task 20.0 request from UID:0 GID:0 HOST:10.15.2.19 PORT:62137<br>
[2019-10-07T13:39:47.014] debug:  Checking credential with 404 bytes of sig data<br>
[2019-10-07T13:39:47.016] _run_prolog: run job script took usec=7<br>
[2019-10-07T13:39:47.016] _run_prolog: prolog with lock for job 20 ran for 0 seconds<br>
[2019-10-07T13:39:47.026] debug:  AcctGatherEnergy NONE plugin loaded<br>
[2019-10-07T13:39:47.026] debug:  AcctGatherProfile NONE plugin loaded<br>
[2019-10-07T13:39:47.026] debug:  AcctGatherInterconnect NONE plugin loaded<br>
[2019-10-07T13:39:47.026] debug:  AcctGatherFilesystem NONE plugin loaded<br>
[2019-10-07T13:39:47.026] debug:  switch NONE plugin loaded<br>
[2019-10-07T13:39:47.028] [20.0] debug:  CPUs:28 Boards:1 Sockets:2 CoresPerSocket:14 ThreadsPerCore:1<br>
[2019-10-07T13:39:47.028] [20.0] debug:  Job accounting gather cgroup plugin loaded<br>
[2019-10-07T13:39:47.028] [20.0] debug:  cont_id hasn't been set yet not running poll<br>
[2019-10-07T13:39:47.029] [20.0] debug:  Message thread started pid = 30331<br>
[2019-10-07T13:39:47.030] [20.0] debug:  task/cgroup: now constraining jobs allocated cores<br>
[2019-10-07T13:39:47.030] [20.0] debug:  task/cgroup: loaded<br>
[2019-10-07T13:39:47.030] [20.0] debug:  Checkpoint plugin loaded: checkpoint/none<br>
[2019-10-07T13:39:47.030] [20.0] Munge credential signature plugin loaded<br>
[2019-10-07T13:39:47.031] [20.0] debug:  job_container none plugin loaded<br>
[2019-10-07T13:39:47.031] [20.0] debug:  mpi type = none<br>
[2019-10-07T13:39:47.031] [20.0] debug:  xcgroup_instantiate: cgroup '/sys/fs/cgroup/freezer/slurm' already exists<br>
[2019-10-07T13:39:47.031] [20.0] debug:  spank: opening plugin stack /etc/slurm/plugstack.conf<br>
[2019-10-07T13:39:47.031] [20.0] debug:  mpi type = (null)<br>
[2019-10-07T13:39:47.031] [20.0] debug:  mpi/none: slurmstepd prefork<br>
[2019-10-07T13:39:47.031] [20.0] debug:  xcgroup_instantiate: cgroup '/sys/fs/cgroup/cpuset/slurm' already exists<br>
[2019-10-07T13:39:47.032] [20.0] debug:  task/cgroup: job abstract cores are '2'<br>
[2019-10-07T13:39:47.032] [20.0] debug:  task/cgroup: step abstract cores are '2'<br>
[2019-10-07T13:39:47.032] [20.0] debug:  task/cgroup: job physical cores are '4'<br>
[2019-10-07T13:39:47.032] [20.0] debug:  task/cgroup: step physical cores are '4'<br>
[2019-10-07T13:39:47.065] [20.0] debug level = 2<br>
[2019-10-07T13:39:47.065] [20.0] starting 1 tasks<br>
[2019-10-07T13:39:47.066] [20.0] task 0 (30336) started 2019-10-07T13:39:47<br>
[2019-10-07T13:39:47.066] [20.0] debug:  jobacct_gather_cgroup_cpuacct_attach_task: jobid 20 stepid 0 taskid 0 max_task_id 0<br>
[2019-10-07T13:39:47.066] [20.0] debug:  xcgroup_instantiate: cgroup '/sys/fs/cgroup/cpuacct/slurm' already exists<br>
[2019-10-07T13:39:47.067] [20.0] debug:  jobacct_gather_cgroup_memory_attach_task: jobid 20 stepid 0 taskid 0 max_task_id 0<br>
[2019-10-07T13:39:47.067] [20.0] debug:  xcgroup_instantiate: cgroup '/sys/fs/cgroup/memory/slurm' already exists<br>
[2019-10-07T13:39:47.068] [20.0] debug:  IO handler started pid=30331<br>
[2019-10-07T13:39:47.099] [20.0] debug:  jag_common_poll_data: Task 0 pid 30336 ave_freq = 1597534 mem size/max 0/0 vmem size/max 210853888/210853888, disk read size/max (0/0), disk write size/max (0/0), time 0.000000(0+0) Energy tot/max 0/0 TotPower 0 MaxPower
 0 MinPower 0<br>
[2019-10-07T13:39:47.101] [20.0] debug:  mpi type = (null)<br>
[2019-10-07T13:39:47.101] [20.0] debug:  Using mpi/none<br>
[2019-10-07T13:39:47.102] [20.0] debug:  CPUs:28 Boards:1 Sockets:2 CoresPerSocket:14 ThreadsPerCore:1<br>
[2019-10-07T13:39:47.104] [20.0] debug:  Sending launch resp rc=0<br>
[2019-10-07T13:39:47.105] [20.0] task 0 (30336) exited with exit code 0.<br>
[2019-10-07T13:39:47.139] [20.0] debug:  step_terminate_monitor_stop signaling condition<br>
[2019-10-07T13:39:47.139] [20.0] debug:  Waiting for IO<br>
[2019-10-07T13:39:47.140] [20.0] debug:  Closing debug channel<br>
[2019-10-07T13:39:47.140] [20.0] debug:  IO handler exited, rc=0<br>
[2019-10-07T13:39:47.148] [20.0] debug:  Message thread exited<br>
[2019-10-07T13:39:47.149] [20.0] done with job</font><br>
</div>
<div><br>
</div>
<div>I am not sure what i am missing. Hope someone can point out what i am doing wrong here.</div>
<div>Thank you.</div>
<div><br>
</div>
<div>Best regards,</div>
<div>Eddy Swan</div>
<div><br>
</div>
</div>
</blockquote>
<br>
<pre cols="72">-- 
Marcus Wagner, Dipl.-Inf.

IT Center
Abteilung: Systeme und Betrieb
RWTH Aachen University
Seffenter Weg 23
52074 Aachen
Tel: +49 241 80-24383
Fax: +49 241 80-624383
<a href="mailto:wagner@itc.rwth-aachen.de" target="_blank">wagner@itc.rwth-aachen.de</a>
<a href="http://www.itc.rwth-aachen.de" target="_blank">www.itc.rwth-aachen.de</a>
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