WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] [bug] pv-grub doesn't run on rhel5

To: Gerd Hoffmann <kraxel@xxxxxxxxxx>
Subject: Re: [Xen-devel] [bug] pv-grub doesn't run on rhel5
From: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>
Date: Thu, 14 Aug 2008 16:14:00 +0100
Cc: Xen Development Mailing List <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Thu, 14 Aug 2008 08:17:01 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <48A44967.4060401@xxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Mail-followup-to: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>, Gerd Hoffmann <kraxel@xxxxxxxxxx>, Xen Development Mailing List <xen-devel@xxxxxxxxxxxxxxxxxxx>
References: <48A40B17.2090701@xxxxxxxxxx> <20080814111520.GH4590@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <48A4232B.6040500@xxxxxxxxxx> <20080814122931.GL4590@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <48A43EAD.7040701@xxxxxxxxxx> <20080814142849.GS4590@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <48A44967.4060401@xxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.12-2006-07-14
Gerd Hoffmann, le Thu 14 Aug 2008 17:04:07 +0200, a écrit :
> Samuel Thibault wrote:
> > The problem is a bug in the hypervisor's mod_l3_entry which calls
> > adjust_guest_l3e before calling get_page_from_l3e, see c/s 17061.  Is it
> > possible for you to backport the patch?
> 
> So due to the wrong ordering xen first sets the bits, then notices they
> shouldn't be set, then complains the guest passed invalid bits?

Yes.

> Uhm, well, no way to fix minios to run on older xen versions then I
> guess (which I'd prefer).  Except maybe limiting the 32bit version to
> 1GB address space.  Which should be fine at least for pvgrub ...

That should be feasible indeed.

> Another pvgrub issue:  Is booting guests with the framebuffer enabled
> supposed to work?

Yes, but you have to not enable the framebuffer in the grub
configuration, because the framebuffer is currently not able to restart.

> I suspect that needs some work on the qemu side.

Exactly.

Samuel

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel