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Re: [Xen-users] Can't see more than 3.5GB of RAM


  • To: xen-users@xxxxxxxxxxxxx
  • From: Jonathan Tripathy <jonnyt@xxxxxxxxxxx>
  • Date: Thu, 23 Aug 2012 01:18:43 +0100
  • Delivery-date: Thu, 23 Aug 2012 00:19:30 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>

On 23/08/2012 01:13, Casey DeLorme wrote:

Well, that's a shame. Pretty sure the e801 Map is your problem, and the only fix I have found involves compiling from source with modifications:
http://serverfault.com/questions/342109/xen-only-sees-512mb-of-system-ram-should-be-8gb-uefi-boot

I have had success applying the above fix with plenty of versions of Xen, so I can vouch for the above post being a valid workaround. I still use it with Xen 4.2.

Must be a grub efi bug, supposedly 4.2 has a new option to build xen.efi, which would replace the debian.efi boot file, but I haven't figured anything out for that.

I also came across that serverfault posting. Am I correct in saying that the patch will have to be modified a little to work for 4.1.2?

Thanks

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