Re: Jobs are killed immediately when "ulimit -s unlimited" is in effect (AIX 5.2)
From: Peter S. Shenkin (shenkin_at_mindspring.com)
Date: 06/18/04
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Date: 18 Jun 2004 04:28:40 -0700
mky@talk21.com (mark taylor) wrote in message news:<dee0a7c3.0406160355.5b471088@posting.google.com>...
> FYI, IBM does not support bash, the bash shell shipped with 5L AIX
> tool box for linux apps is supplied AS-IS, so I wouldnt go asking them
> to.
>
> Better off building a testcase in ksh or csh if you also see the
> problem there.
Good thinking; though I did say that it occurs in csh. It also
occurs in a program that uses getrlimit/setrlimit, but that
program was likely invoked from bash. Results in various
environments given below.
> Also, why give up, if you have paid for support from
> IBM and you box is broke, then press them to fix it, rasie a critsit
> if you have to etc... its not rocket science... get what you paid
> for... is it actually IBM support or a business partner ? or some 3rd
> party support contract ?
These are loaner machines which we obtained from IBM in order
to support our software under AIX. The advice to reinstall came
from our IBM-designated technical contact.
> do you see the problem in ksh ?
Good thinking. We see a diagnostic -- not exactly the
same problem:
: ./try.ksh[2]: ulimit: outside the allowable range
: 2097152
: hello, world 1
: 2097151
: hello, world 2
The diagnostic is invoked by "ulimit -s unlimited". I added
the "1" and "2" to the printout for clarity.
> or just csh and bash ?
>
> whats your csh test case ?
Similar to the bash/sh/ksh test cases, except using "limit stacksize"
wherever I previously used "ulimit -s". This gives:
: stacksize 4194304 kbytes
: Killed
: stacksize 2097151 kbytes
: hello, world 2
Note that the result of setting stacksize to "unlimited" is different
here.
For completeness, I'll say that sh gives the same result as ksh.
> what level of code are you on ? bos.mp?
: bos.mp 5.2.0.10 5765-E6200 bos.mp
> bos.rte.shell ?
: bos.rte.shell 5.2.0.10
: 5765-E6200 0000 bos
Further thoughts appreciated. I'll certainly go back to my
IBM contact with the above, in the meantime....
-P.
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