linux-kernel - Re: [Bugme-new] [Bug 7495] New: Kernel periodically hangs.

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Date:	Sat, 11 Nov 2006 10:19:42 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	David Howells <dhowells@...hat.com>,
	Neil Brown <neilb@....unsw.edu.au>,
	"bugme-daemon@...nel-bugs.osdl.org" 
	<bugme-daemon@...zilla.kernel.org>, linux-kernel@...r.kernel.org,
	alex@...snet.ru
Subject: Re: [Bugme-new] [Bug 7495] New: Kernel periodically hangs.

On Sat, 11 Nov 2006 19:10:03 +0100
Arjan van de Ven <arjan@...radead.org> wrote:

> > > Kernel started with noapic option, cause it hands on load without this option.
> > 
> > Him and a million other people.  I know we broke APIC.  Around 2.6.9, I
> > think.
> 
> 
> is that when the "enable apic even on UP so that distro kernels can
> install on the ibm x44*" patches went in?
> 

I don't know.  In fact I forget how I worked out that it worsened in
2.6.early.

google(noapic) gets 232,000 hits.

I don't think it really matters when or why it happened.  If we take the
approach of fixing one machine at a time, we'll only need to fix a few
individual machines to improve the situation for a lot of people.

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