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xen-devel
[Xen-devel] Re: Real-mode bug with AMD, gPXE, and 32-bit rep movs
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To: |
Michael Brown <mcb30@xxxxxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx> |
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Subject: |
[Xen-devel] Re: Real-mode bug with AMD, gPXE, and 32-bit rep movs |
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From: |
Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
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Date: |
Tue, 31 Mar 2009 14:06:50 +0100 |
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Cc: |
Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, Christoph Egger <Christoph.Egger@xxxxxxx>, "Huang2, Wei" <Wei.Huang2@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Sebastian Herbszt <herbszt@xxxxxx> |
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Tue, 31 Mar 2009 06:07:16 -0700 |
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<200903310456.39523.mcb30@xxxxxxxxxxxxx> |
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Thread-topic: |
Real-mode bug with AMD, gPXE, and 32-bit rep movs |
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On 31/03/2009 04:56, "Michael Brown" <mcb30@xxxxxxxxxxxxx> wrote:
> It's a bug in the BIOS; it should either not advertise PMM, or it should
> follow the PMM spec and call the initialisation entry point in flat real
> mode.
George, can you please test with xen-unstable:19477. This should give all
our real-mode segments 4GB limits, and thus fix our PMM support.
-- Keir
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