Re: Too Slow - what'd I break?
On Wed, 2003-10-29 at 23:17, Roberto Sanchez wrote:
> Daniel L. Miller wrote:
> > Howdy all.
> >
> > I've converted a Pentium II-350mhz w/ 128M RAM workstation from Windoze
> > to Debian. Unfortunately, it seems that many operations are far slower
> > - especially disk access. I've pasted the output of <dmesg> below. I
> > do see some error messages regarding VFS mounts. I also see errors
> > regarding <devfs> mounts during bootup that are not shown in the <dmesg>
> > output - I'd also appreciate knowing what these bootup messages are
> > indicating and how to fix 'em.
> >
> > This is using the latest unstable kernel-image-2.4-686 package, as well
> > as the lowlatency and preempt patches.
>
> Have you enabled DMA on your disk?
>
> Use hdparm (install via apt-get if you don't have it) and try
> something like:
>
> hdparm -c1 -m16 -d1 -u1 /dev/hda
>
> However, carefully read the documentation. I believe that in most
> cases DMA is disabled by default becuase some drive/chipset combos
> are buggy, which can cause severe corruption of data if DMA is
> enabled.
His dmesg output shows that the box is running in UDMA(33) mode,
which sounds about right for a box that old.
--
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Ron Johnson, Jr. ron.l.johnson@cox.net
Jefferson, LA USA
"Why should we not accept all in favor of woman suffrage to our
platform and association even though they be rabid pro-slavery
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Susan B. Anthony, _History_of_Woman_Suffrage_
http://www.ifeminists.com/introduction/essays/introduction.html
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