From: Keir Fraser <keir@xen.org>
To: "Jonathan Tripathy" <jonnyt@abpni.co.uk>,
"Pasi Kärkkäinen" <pasik@iki.fi>
Cc: Jan Beulich <jbeulich@suse.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: Can't see more than 3.5GB of RAM / UEFI / no e820 memory map detected
Date: Thu, 23 Aug 2012 09:12:15 +0100 [thread overview]
Message-ID: <CC5BA46F.49F32%keir@xen.org> (raw)
In-Reply-To: <5035DB70.8090800@abpni.co.uk>
On 23/08/2012 08:27, "Jonathan Tripathy" <jonnyt@abpni.co.uk> wrote:
> Thanks, Pasi.
>
> A couple of questions:
>
> I'm guessing xen.efi (from 4.2) just replaces grub??
>
> Also, if I were to apply that patch from superuser
> (http://serverfault.com/questions/342109/xen-only-sees-512mb-of-system-ram-sho
> uld-be-8gb-uefi-boot),
> would have have any bad consequences? I'm very security conscience as
> the DomUs are untrusted...
Firstly, the same effect *should* be had by adding no-real-mode to your Xen
command line. So try that first.
Secondly, it is arguable that we should patch Xen to prefer "Multiboot-e820"
over "Xen-e801".
And yes, overall if you have a UEFI BIOS then using UEFI Xen is probably
best of all :)
-- Keir
> Thanks
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2012-08-23 8:12 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <50356E43.3030208@abpni.co.uk>
2012-08-22 23:48 ` Can't see more than 3.5GB of RAM Jonathan Tripathy
2012-08-23 0:11 ` Jonathan Tripathy
2012-08-23 6:06 ` Can't see more than 3.5GB of RAM / UEFI / no e820 memory map detected Pasi Kärkkäinen
2012-08-23 7:22 ` Pasi Kärkkäinen
2012-08-23 7:27 ` Jonathan Tripathy
2012-08-23 7:39 ` Jan Beulich
2012-08-23 8:07 ` Jonathan Tripathy
2012-08-24 15:35 ` Jan Beulich
2012-08-24 17:39 ` Jonathan Tripathy
2012-08-24 20:05 ` Keir Fraser
2012-08-28 19:36 ` Jonathan Tripathy
2012-08-28 21:10 ` Keir Fraser
2012-08-28 21:13 ` Jonathan Tripathy
2012-08-28 21:37 ` Keir Fraser
2012-08-28 21:41 ` Keir Fraser
2012-08-28 21:50 ` Jonathan Tripathy
2012-08-28 21:52 ` Jonathan Tripathy
2012-08-28 22:05 ` Jonathan Tripathy
2012-08-28 22:31 ` Keir Fraser
2012-08-28 22:33 ` Jonathan Tripathy
2012-08-23 8:12 ` Keir Fraser [this message]
2012-08-23 8:28 ` Jonathan Tripathy
2012-08-23 8:43 ` Keir Fraser
2012-08-23 8:49 ` Ian Campbell
2012-08-23 8:58 ` Jonathan Tripathy
2012-08-23 9:43 ` Keir Fraser
2012-08-23 9:13 ` Pasi Kärkkäinen
2012-08-23 9:50 Jonathan Tripathy
2012-08-23 11:17 ` Keir Fraser
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