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Re: [Xen-devel] Can't see more than 3.5GB of RAM / UEFI / no e820 memory map detected


  • To: Jonathan Tripathy <jonnyt@xxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxx>
  • From: Keir Fraser <keir.xen@xxxxxxxxx>
  • Date: Tue, 28 Aug 2012 22:10:36 +0100
  • Delivery-date: Tue, 28 Aug 2012 21:11:18 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
  • Thread-index: Ac2FYZFRLTpqtsN/qUicKLCJZO7n8w==
  • Thread-topic: [Xen-devel] Can't see more than 3.5GB of RAM / UEFI / no e820 memory map detected

On 28/08/2012 20:36, "Jonathan Tripathy" <jonnyt@xxxxxxxxxxx> wrote:

>>> Thanks for the clarification.
>>> 
>>> So from a security/reliability standpoint, nothing will be affected by
>>> flipping the if block?
>> It should simply make it more likely that Xen sees all your RAM. ;)
>> 
>>   -- Keir
>> 
>> 
> 
> Hi Everyone,
> 
> I reversed the if block in setup.c and now my server can see the full
> 32GB of RAM. I haven't submitted a patch yet as we have run into another
> (possibly unrelated to xen) issue with this server build that we are
> working on. Once we complete our full testing, a patch will be submitted :)

In this case, I will re-make the patch myself and check it in. Since it is a
trivial one.

  Thanks,
 Keir




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