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Re: [Xen-devel] X86_64 and 4GB RAM using Flat Memory Model?

  • To: John Hannfield <hal9020@xxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Sat, 28 Apr 2007 16:22:11 +0100
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Sat, 28 Apr 2007 08:19:10 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AceJqP3dPCQxuPWcEduvMgAWy6hiGQ==
  • Thread-topic: [Xen-devel] X86_64 and 4GB RAM using Flat Memory Model?
On 28/4/07 15:39, "John Hannfield" <hal9020@xxxxxxxxx> wrote:

>  [Address Range Descriptor entries immediately follow (values are 64-bit)]
>    Usable RAM:  Base Address:  0x0 X 4GB + 0x0,
>       Length:   0x0 X 4GB + 0xa0000 bytes
>    Reserved:  Base Address:  0x0 X 4GB + 0xa0000,
>       Length:   0x0 X 4GB + 0x60000 bytes
>    Usable RAM:  Base Address:  0x0 X 4GB + 0x100000,
>       Length:   0x0 X 4GB + 0x300000 bytes

Here it looks like GRUB is claiming you have 4MB of RAM, which obviously
isn't right.

 -- Keir



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