From: ebiederm@xmission.com (Eric W. Biederman)
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: matthias.andree@stud.uni-dortmund.de (Matthias Andree),
linux-kernel@vger.kernel.org (Linux-Kernel mailing list),
mingo@redhat.com
Subject: Re: 2.4.10-pre15 -> final breaks IOAPIC on UP?
Date: 24 Sep 2001 12:30:56 -0600 [thread overview]
Message-ID: <m1ofo07867.fsf@frodo.biederman.org> (raw)
In-Reply-To: <E15lWVi-0002eV-00@the-village.bc.nu>
In-Reply-To: <E15lWVi-0002eV-00@the-village.bc.nu>
Alan Cox <alan@lxorguk.ukuu.org.uk> writes:
> > So, I believe that any IOAPIC related change between 2.4.10-pre15 and
> > 2.4.10-final breaks my X11 here.
>
> Uniprocessor IO-APIC only works for some machines. It also subtly changes
> IRQ delivery timing properties which may be worth checking too
All athlon motherboards with the via686 southbridge and an AMD northbridge
should fail according to the AMD errata. This may also happen with a via
northbridge. The AMD apic bus is subtely different from the intel apic
bus in implementation.
Eric
next prev parent reply other threads:[~2001-09-24 18:40 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-24 13:58 2.4.10-pre15 -> final breaks IOAPIC on UP? Matthias Andree
2001-09-24 14:15 ` Alan Cox
2001-09-24 14:22 ` Eyal Lebedinsky
2001-09-24 18:30 ` Eric W. Biederman [this message]
2001-09-24 23:43 ` Alan Cox
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