From: Mikael Pettersson <mikpe@csd.uu.se>
To: "Maciej W. Rozycki" <macro@ds2.pg.gda.pl>
Cc: torvalds@osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH][2.6] local APIC LVTT init bug
Date: Fri, 23 Jan 2004 13:57:36 +0100 [thread overview]
Message-ID: <16401.6720.115695.872847@alkaid.it.uu.se> (raw)
In-Reply-To: <Pine.LNX.4.55.0401231250310.3223@jurand.ds.pg.gda.pl>
Maciej W. Rozycki writes:
> On Thu, 22 Jan 2004, Mikael Pettersson wrote:
>
> > __setup_APIC_LVTT() incorrectly sets i82489DX-only bits
> > which are reserved in integrated local APICs, causing
> > problems in some machines. Fixed in this patch by making
> > this setting conditional.
>
> Sigh -- why can't designers keep such a trivial backwards
> compatibility??? The integrated APIC was said to be backwards compatible
> when introduced and so far all implementations used to. What you write
> means that has been broken -- could please say which vendor to blame?
The ASUS L3800C was mentioned. I don't know of any others.
> Your proposal is therefore the only correct one.
Thanks for confirming that.
/Mikael
next prev parent reply other threads:[~2004-01-23 12:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-22 19:32 Mikael Pettersson
2004-01-23 12:06 ` Maciej W. Rozycki
2004-01-23 12:57 ` Mikael Pettersson [this message]
2004-01-23 13:31 ` Maciej W. Rozycki
2004-01-23 15:51 ` Linus Torvalds
2004-01-23 17:23 ` Maciej W. Rozycki
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