lkml.org 
[lkml]   [1998]   [Jul]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: 2.1.111: IDE DMA disabled...BLAH...BLAH...
Date
From

In message <m3vhogs15p.fsf@k6.jhcloos.com>, "James H. Cloos Jr." writes:

> Linus> Another difference is that
> Linus> we react to interrupts a lot faster under SMP.
>
> Perhaps, since the problem seems dependent on both DMA and SMP, the
> real differnece is IO-APIC vs XT-PIC?

I think what we are finding out in the 2.1 kernel is just how bad
the quality of PeeCee hardware is. I have know that all along,
but I think the problems in 2.1 are often the hardware's fault.

A lot of commercial OS offerings are tuned ``slow'' for this reason.
Its not always because they suck... :)

The hardware is often incredibly marginal and rarely is a PeeCee
motherboard within specifications all around. I often marvel that
Linux or any other OS runs as well as they do.

Since PCI and PlugNPlay... I have yet to setup a PeeCee where any
one is not night and day different from another. Setting them up
is a black art.

--
csh - shendrix@widomaker.com - Dilbert is one of my coworkers...
----------------------------------------------------------------------
"Those who trade liberty for security will have neither -- B.F."

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.altern.org/andrebalsa/doc/lkml-faq.html

\
 
 \ /
  Last update: 2005-03-22 13:43    [W:0.940 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site