From: Andi Kleen <ak@suse.de>
To: Willy Tarreau <w@1wt.eu>
Cc: pageexec@freemail.hu, davej@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH][RFC] exception processing in early boot
Date: Wed, 30 Aug 2006 22:06:46 +0200 [thread overview]
Message-ID: <200608302206.46898.ak@suse.de> (raw)
In-Reply-To: <20060830200354.GA496@1wt.eu>
On Wednesday 30 August 2006 22:03, Willy Tarreau wrote:
> On Wed, Aug 30, 2006 at 09:36:54PM +0200, Andi Kleen wrote:
> >
> > > Andi, if you remove the HLT here, some CPUs will spin at full speed. This
> > > is nasty during boot because some of them might not have enabled their
> > > fans yet for instance
> >
> > That would be a severe bug in the platform. Basically always the fans are managed
> > by SMM code.
>
> It was just an example. Other examples include virtual machines never
> stopping because they will see the guest is working and not halted.
They have to deal with that anyways because the machine can just
crash with a busy loop. And BTW -- take a look at the normal panic.
-Andi
next prev parent reply other threads:[~2006-08-30 20:06 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-30 6:39 [PATCH][RFC] exception processing in early boot Willy Tarreau
2006-08-30 9:51 ` Andi Kleen
2006-08-30 12:18 ` Willy Tarreau
2006-08-30 12:59 ` Andi Kleen
2006-08-30 13:16 ` Willy Tarreau
2006-08-30 14:00 ` Sean
2006-08-30 13:46 ` Willy Tarreau
2006-08-30 14:00 ` Sean
[not found] ` <44F5D81A.9650.5BE48F99@pageexec.freemail.hu>
2006-08-30 16:30 ` Andi Kleen
2006-08-30 16:59 ` linux-os (Dick Johnson)
2006-08-30 17:02 ` Andi Kleen
2006-08-30 17:15 ` linux-os (Dick Johnson)
[not found] ` <44F5E818.20898.5C230A79@pageexec.freemail.hu>
2006-08-30 17:52 ` Andi Kleen
[not found] ` <44F5F348.1251.5C4EBCCB@pageexec.freemail.hu>
2006-08-30 18:26 ` Andi Kleen
2006-08-30 19:01 ` Willy Tarreau
2006-08-30 19:36 ` Andi Kleen
2006-08-30 20:03 ` Willy Tarreau
2006-08-30 20:06 ` Andi Kleen [this message]
2006-08-30 20:40 ` Willy Tarreau
2006-08-30 21:31 ` Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2006-08-31 2:05 Chuck Ebbert
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