From: Dave Jones <davej@redhat.com>
To: Andi Kleen <ak@suse.de>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
Martin Ebourne <fedora@ebourne.me.uk>,
Zou Nan hai <nanhai.zou@intel.com>,
Suresh Siddha <suresh.b.siddha@intel.com>,
stable@kernel.org, Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: 2.6.23 boot failures on x86-64.
Date: Mon, 29 Oct 2007 14:47:47 -0400 [thread overview]
Message-ID: <20071029184747.GB1650@redhat.com> (raw)
In-Reply-To: <200710291918.43869.ak@suse.de>
On Mon, Oct 29, 2007 at 07:18:43PM +0100, Andi Kleen wrote:
> On Monday 29 October 2007 18:50:14 Dave Jones wrote:
> > We've had a number of people reporting that their x86-64s stopped booting
> > when they moved to 2.6.23. It rebooted just after discovering the AGP bridge
> > as a result of the IOMMU init.
>
> It's probably the usual "nobody tests sparsemem at all" issue.
We've been using SPARSEMEM in Fedora for a *long* time.
So long in fact, I forget why we moved away from DISCONTIGMEM, so there's
a significant number of users using that configuration for some time.
> But if allocating bootmem >4G doesn't work on these systems
> most likely they have more problems anyways. It might be better
> to find out what goes wrong exactly.
Any ideas on what to instrument ?
Dave
--
http://www.codemonkey.org.uk
next prev parent reply other threads:[~2007-10-29 18:48 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-29 17:50 2.6.23 boot failures on x86-64 Dave Jones
2007-10-29 18:07 ` [stable] " Greg KH
2007-10-29 18:37 ` Linus Torvalds
2007-10-29 19:51 ` Christoph Lameter
2007-10-29 19:52 ` Siddha, Suresh B
2007-10-29 20:09 ` Christoph Lameter
2007-10-29 20:23 ` Andy Whitcroft
2007-10-29 20:27 ` Martin Ebourne
2007-10-29 18:18 ` Andi Kleen
2007-10-29 18:47 ` Dave Jones [this message]
2007-10-29 19:03 ` Andi Kleen
2007-10-29 19:43 ` Dave Jones
2007-10-29 19:56 ` Andi Kleen
2007-10-29 21:21 ` Martin Ebourne
2007-10-31 6:04 ` Zou Nan hai
2007-10-31 6:19 ` Zou Nan hai
2007-10-29 20:06 ` Dave Jones
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