linux-kernel - Re: [OOPS] [XEN] OOPS early after boot on master

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Date:	Mon, 15 Jun 2009 08:13:59 +0100
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	Bryan Donlan <bdonlan@...il.com>
CC:	Jeremy Fitzhardinge <jeremy@...p.org>,
	LKML <linux-kernel@...r.kernel.org>,
	<xen-devel@...ts.xensource.com>
Subject: Re: [OOPS] [XEN] OOPS early after boot on master

On Thu, 2009-06-11 at 18:55 -0400, Bryan Donlan wrote:
> On further analysis, it seems that that's a red herring - disabling PV
> spinlocks just makes it occur less often, I think... I'm currently
> still bisecting it; it's complicated by other OOPS-causing bugs having
> existed in the interim, but it definitely existed before the
> introduction of CONFIG_PARAVIRT_SPINLOCKS.

It's worth bearing in mind that prior to CONFIG_PARAVIRT_SPINLOCKS the
pv spinlock functionality was already present but not optional so it's
not unlikely that an issue with pv spinlocks could predate the addition
of the option.

Ian.


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