From mboxrd@z Thu Jan 1 00:00:00 1970 From: Don Slutz Subject: Re: PCI hole resize support for 4.5? If not, workaround? Date: Mon, 20 Oct 2014 09:06:01 -0400 Message-ID: <544508B9.1070905@terremark.com> References: <544205F4.60609@ihonk.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <544205F4.60609@ihonk.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Steve Freitas , Xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On 10/18/14 02:17, Steve Freitas wrote: > Hi all, > > I'm suffering from bug 28 [1], unable to assign more than 3.5 gigs of > RAM to my Windows VM while using VGA passthrough. This is a > showstopper for me. > > Since #28 is still listed as up for grabs for 4.5 [2], I assume a fix > is not likely to make it in. However, a message from Ian [3] indicated > that a workaround was available at some point. Will a workaround be > offered for 4.4 or 4.5? > Adding the patch: http://lists.xenproject.org/archives/html/xen-devel/2014-10/msg01447.html to 4.5-unstable and adding mmio_hole_size = 536870912 to your .xfg should allow you to use more memory (the number above is .5 gig, which should work based on 3.5 gigs working). -Don Slutz > I'm using Xen 4.4.1 on Debian Jessie (official distro packages), > kernel 3.16, Xeon 5660, Intel 5500 chipset (rev 22), Nvidia Quadro FX > 4800 GPU. > > Thanks, > > Steve > > [1] http://bugs.xenproject.org/xen/bug/28 > [2] http://marc.info/?l=xen-devel&m=141356622719233 > [3] http://marc.info/?l=xen-devel&m=138918385728185 > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel