HI,
I'm updating some of our TCL scripts to submit jobs to grid and I've run into
an issue I can't explain. In the TCL script I initialize a variable thusly:
set hostname ""
and that gets passed into the qsub command as follows:
set status [catch {exec qsub -b yes -cwd -sync n -V -q short.q -l vl $hostname
tclsh $sim} result]
SGE v8.1.9 is not happy with that for some reason, and I get nasty emails such
as the following:
===========================================================================
failed before prolog: shepherd exited with exit status 7: before prolog
Shepherd trace:
03/28/2018 16:25:20 [495:19306]: shepherd called with uid = 0, euid = 495
03/28/2018 16:25:20 [495:19306]: starting up 8.1.9
03/28/2018 16:25:20 [495:19306]: setpgid(19306, 19306) returned 0
03/28/2018 16:25:20 [495:19306]: do_core_binding: "binding" parameter not found
in config file
03/28/2018 16:25:20 [495:19306]: no prolog script to start
Shepherd pe_hostfile:
sim.company.com 1 [email protected]<mailto:[email protected]>
UNDEFINED
Furthermore, the spool/sim/messages has the following messages:
03/28/2018 21:15:36| main|sim|E|shepherd of job 134.1 died through signal = 11
03/28/2018 21:15:36| main|sim|E|abnormal termination of shepherd for job
134.1: no "exit_status" file
03/28/2018 21:15:36| main|sim|E|can't open file active_jobs/134.1/error: No
such file or directory
If I initialize hostname to a space (" "), the job will run just fine.
Moreover, if I assign a var to something like "-l vl" to reserve a consumable
resource, SGE complains thusly:
qsub: invalid option argument "-l vl"
But if I "hard code" that option in the qsub command, the job will run
correctly.
I've tried to scrub 'hostname' of non-printable characters, and to strip and
(unseen) white space, but nothing seems to work. I don't know what gets
embedded into the TCL strings that SGE seems to dislike. It doesn't help that
I'm relatively new to TCL.
Any suggestions would be appreciated.
Regards,
--
Mun
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