Re: experiences beyond 4 GB RAM with 2.4.22

[Pavel Machek]

Hi!

> > Well, I do understand the bounce buffer problem, but honestly the current way
> > of handling the situation seems questionable at least. If you ever tried such a
> > system you notice it is a lot worse than just dumping the additional ram above
> > 4GB. You can really watch your network connections go bogus which is just
> > unacceptable. Is there any thinkable way to ommit the bounce buffers and still
> > do something useful with the beyond-4GB ram parts?
> 
> The 2.6 tree is somewhat better about this but at the end of the day if
> your I/O subsystem can't do the job your box will not perform ideally.
> For some workloads its a huge win to have the extra RAM, for others the
> I/O is a real pain. 

If he has trouble logging in, then there's a bug somewhere.
Bounce buffers should not slow machine down more than
2x, and from his description it looks like way worse slowdown. 
				Pavel
-- 
				Pavel
Written on sharp zaurus, because my Velo1 broke. If you have Velo you don't need...

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