On Sat, 7 Feb 2004, Sönke Ruempler wrote:

> > If you did not manually upgrade glibc, the one that comes with RH7.x
> > does not have NPTL, so LD_ASSUME_KERNEL has no effect. OTOH you had
> > machines (likely those ones) with a *huge* RSS, that is typical NPTL
> > effect. If the RSS grows over a certain limit, the OOM killer in the
> > kernel kicks in and kills your hungry application. You can try to get
> 
> Mhm, it's glibc 2.2.4 installed. I dunno about the NTPL stuff.

No, 2.2.4 should not have NPTL. Try a:

$ ldd XMail




> > 1.18:
> >
> > http://www.xmailserver.org/xmail-1.18.tar.gz
> >
> > and build it in debug mode by replacing -O2 with -g and removing all
> > the "strip" lines from Makefile.lnx. Then you can add "ulimit -c
> > 300000" to your XMail startup script and run it again. Note that with
> > RSS like your the core might not even fit the 300MB limit though.
> 
> And then? What can i do against the growing RSS? Or is _THIS_ the solution?

No, it should not fix that. But ut has improved mechanism for external 
executed binaries. It is worth a try.




> Where can i see debug messages? I followed your instructions on my test
> serverwith RedHat 7.2.
> 
> I am confused because XMail crashed the first time ever.

If the RSS grows over certain limits, the kernel is going to kill the 
application.




- Davide


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