On Fri, Jan 04, 2002 at 03:41:51PM -0600, Richard Rauch wrote:
> > > > It's possible that NetBSD doesn't use DMA for you disk on the tower.
> > > > Can you post your dmesg to see what chipset this is exactly ?
> > >
> > > Sure.  Here are ~20 relavent lines from near the top.  (The rest can be
> > > provided if really desired.)  Note that it claims to be using DMA.
> > >
>  [...]
> >
> > Hum, OK. 1.5.x has problems with this chipset which may explain your
> > slowdowns. This should be fixed in -current, but back-porting it to 1.5
> > involves more than just pciide. I'll try to get something done, though.
> 
> Note that GNU/LINUX has the same performance problems.  (Or rather, Debian
> GNU/LINUX from about a year ago also had abysmal dd read performance.  I
> didn't run bonnie++ from there, though.)
> 
> I don't know if that affects your estimation of whether -current will fix
> my problem.  However, I can try booting a somewhat more recent -current
> (sources from no earlier than Dec. 1 of 2001, though I think that I did
> one more update of the sources on that machine---or I can grab a snapshot
> and drop its kernel in).  If -current is stable enough at the moment, it
> might be worth doing anyway.  (Lennart Augustusson(sp) has made some
> changes to USB uhid handling that I'd like to have on my main box; I've
> been reluctant to commit the machine to -current, but this might be enough
> added argument to doing so.  (^&)
> 
> I'll try to remember to try that later tonight.  Let me know if there's a
> particular cut-off date I should have in mind w.r.t. which version of
> -current to use.

Well, I would just go with the last snapshot ...

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
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