[torquedev] Question about IamUserByName, Win32 mom

Kellogg, Sean Sean.Kellogg at fei.com
Wed Feb 22 11:43:55 MST 2012

Dear Torque development community,

I'm trying to troubleshoot a PBS error that I have on a Win32 execute host.  I have run into a dead end.

The symptoms are as follows: after a job is queued to the Torque system, the job is passed to a Win32 execute host and then exits with Exit_status=-1.  The PBS mom log on the execute host contains the following seven lines as a record of the failure:

02/20/2012 07:57:02;0001;   pbs_mom;Svr;pbs_mom;LOG_ERROR::IamUserByName, WARNING!!! Can`t find user "simuser"!
02/20/2012 07:57:02;0001;   pbs_mom;Svr;pbs_mom;LOG_ERROR::start_exec, Torque Mom Version = 2.5.4, loglevel = 0
02/20/2012 07:57:02;0008;   pbs_mom;Req;send_sisters;sending ABORT to sisters for job 2777.hl-vcomputenodemaster.DOMAIN.COMPANYNAME.com
02/20/2012 07:57:05;0080;   pbs_mom;Svr;preobit_reply;top of preobit_reply
02/20/2012 07:57:05;0080;   pbs_mom;Svr;preobit_reply;DIS_reply_read/decode_DIS_replySvr worked, top of while loop
02/20/2012 07:57:05;0080;   pbs_mom;Svr;preobit_reply;in while loop, no error from job stat
02/20/2012 07:57:05;0080;   pbs_mom;Job;2777.hl-vcomputenodemaster. DOMAIN.COMPANYNAME.com;obit sent to server

I suspect that the most interesting information is contained in the first line, following the function name IamUserByName.  I have found limited information about this error, and it's all contained in the torquedev mailing list thread 2173 (http://www.supercluster.org/pipermail/torquedev/2010-June/002173.html)

To make matters more confusing, this problem only occurs on about 80% of the job submissions; the other 20% are executed normally.  Therefore I wonder if there is a reliability issue with the function call IamUserByName.

Can anyone provide any insight?

Thank you,
Sean Kellogg

FEI Company
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