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
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