Re: [kvm] Re: 3525MB RAM Limit

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On Thu, 2009-04-09 at 10:39 -0500, Brian Jackson wrote:
> I was thinking of a bug when using large pages, which may not be your problem. 
> There have been other reports recently, with workarounds, that are similar, 
> just not the exact same number you have.
> 
> some subjects to look for:
> * Can't boot guest with more than 3585MB when using large pages
> There was a patch from Marcelo that was supposed to fix it.
> * kvm-84 and guests with more than 3536 MB Ram?
> there were suggestions to make sure to use the correct bios and the OP stated 
> that upgrading his kernel actually fixed the problem
> 
> I could swear there was another one, but maybe I'm thinking of the IRC 
> channel. If you are still unable to get it to work, you should reply back with 
> more info. Kernel version, KVM version, etc.

It could also be related to the guest trimming away memory due to the
way we used to report the MTRRs.  This would show up in dmesg on the
guest.  Try the latest kvm by hand and see if the problem goes away.
Thanks,

Alex

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