From: Andi Kleen <ak@suse.de>
To: Martin Polak <mpolak@gup.jku.at>
Cc: linux-kernel@vger.kernel.org
Subject: Re: SMP AMD64 (Tyan S2882) problems.
Date: Wed, 28 Jan 2004 16:18:24 +0100 [thread overview]
Message-ID: <20040128161824.3a2cd2c5.ak@suse.de> (raw)
In-Reply-To: <40176C85.90009@gup.jku.at>
On Wed, 28 Jan 2004 09:02:13 +0100
Martin Polak <mpolak@gup.jku.at> wrote:
> Andi Kleen wrote:
> > Jan Kasprzak <kas@informatics.muni.cz> writes:
> >
> > You don't say if you run a 32bit or a 64bit kernel. I will assume 64bit.
> >
> >
> >>Is it normal? How can I set up some IRQ balancing (or at least hard-wire
> >>3ware for CPU1 and eth0 for CPU0)?
> >
> >
> > Run irqbalanced
> >
> >
> Well I posted that thing two weeks ago, occuring on a dual 240
> K8T-Master from MSI, and yes: running irqbalance works fine, but still I
> believe that there is some sort of weirdness in initialization code of
> the kernel (2.6), because on 2.4 Kernels smp-affinity defaults to every
> cpu and on 2.6 it doesnt.
Opteron doesn't support irq balancing in hardware (at least not with the
AMD chipset). 2.4/x86-64 kernels didn't have it neither.
Some version of 32bit kernels do automatic irq balancing in the kernel though.
-Andi
next prev parent reply other threads:[~2004-01-28 15:18 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20040127190911.B13769@fi.muni.cz.suse.lists.linux.kernel>
2004-01-27 18:31 ` SMP AMD64 (Tyan S2882) problems Andi Kleen
2004-01-27 21:49 ` Jan Kasprzak
2004-01-27 22:26 ` Andi Kleen
2004-01-28 17:07 ` Jan Kasprzak
2004-01-28 17:31 ` Andi Kleen
2004-01-28 18:06 ` Jan Kasprzak
2004-01-28 8:02 ` Martin Polak
2004-01-28 15:18 ` Andi Kleen [this message]
2004-01-27 18:09 Jan Kasprzak
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20040128161824.3a2cd2c5.ak@suse.de \
--to=ak@suse.de \
--cc=linux-kernel@vger.kernel.org \
--cc=mpolak@gup.jku.at \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.