Alan Cox wrote:
> > > mm: critical shortage of bounce buffers.
> >
> > Indeed this message has been pestering me in all the recent .4-acx kernels when
> > the machine is under heavy FS pressure.
> >
> > In these kernels I observe a significative (5-10%) performance degradation as
> > soon as the FS cache fills up all the available memory, at this moment "kswapd"
>
> Its there to prove we had a problem
granted
> > 2.4.2-acx and early 2.4.3-acx kernles were much better in this respect and a lot
> > more stable.
>
> Hit any 2.4 kernel pre 2.4.5 vanilla [maybe fixed] and you will break bigmem
> that way.
I've been using many kernels (I upgrade every week or so) and as far as I can
recollect I started experiencing serious performance problems with the 2.4.4 series.
I'm double checking my data right now with older kernels.
- Fabio
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This archive was generated by hypermail 2b29 : Thu May 31 2001 - 21:00:34 EST