Re: Fun with OOM on 2.4.18-pre9

[Pavel Machek <pavel@suse.cz>]

Hi!

> > I do a make -j bzImage
> > I have 2 large processes (Kaffe) running in the background. They are
> > driven by scripts like this:
> > 
> > while true;
> > do su freenet -c java freenet.node.Main;
> > done
> > 
> > I have 512MB of RAM and no swap on 2.4.18-pre9.
> > Kernel eventually slows to a near complete halt, and starts killing
> > processes.
> > It kills Kaffe several times
> > Out of Memory: Killed process xyz (Kaffe)
> > (no I don't have logs, sorry)
> > Each time it's a different pid, having respawned from its parent
> > process. Then later, it apparently becomes unkillable - each time it
> > respawns it is *the same PID*. VT switching works, but otherwise the
> > system is unresponsive. It is not clear whether the make -j is still
> > running. Immediately before this, it did the same thing with dictd, but
> > eventually got around to Kaffe. After a fairly long wait I rebooted with
> > the reset switch.
> > 
> > Any more information useful? Is this known behaviour?
> 
> Known behaviour - ie. don't do that.

No, it should *kill* kaffe, not only say it is doing that.
									Pavel

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