Is this a problem in the latest (kvm-84) or just in an older version that Fedora 10 provides? ----- Original Message ----- From: "Daniel Scott" <djscott@xxxxxxx> To: "Alex Williamson" <alex.williamson@xxxxxx> Cc: "Brian Jackson" <iggy@xxxxxxxxxxx>, kvm@xxxxxxxxxxxxxxx Sent: Thursday, April 9, 2009 2:54:11 PM GMT -05:00 US/Canada Eastern Subject: Re: [kvm] Re: 3525MB RAM Limit Brian, Alex, 2009/4/9 Alex Williamson <alex.williamson@xxxxxx>: > On Thu, 2009-04-09 at 10:39 -0500, Brian Jackson wrote: >> 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 for the suggestions. After more research, it looks like upgrading the software will fix the problem: http://www.func.nl/community/knowledgebase/running-kvm-guest-35-gb-ram We see the same BIOS message as in the above link. It seems like this will be fixed in Fedora 11 so we'll probably wait for a month or two and then upgrade Fedora on our host system. Thanks again, Dan -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html