From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefano Stabellini Subject: Re: good progress on pci vga passthrough in xen-3.4-rc1 Date: Wed, 15 Apr 2009 10:10:26 +0100 Message-ID: <49E5A482.6000300@eu.citrix.com> References: <14D9C9E2ED61ED41BC3B37ACDF4E8800029E434C1241@heavy-vm03.heavy.org.uk> <14D9C9E2ED61ED41BC3B37ACDF4E8800029E434C1242@heavy-vm03.heavy.org.uk> <5bcc2bd80904142037o21d5f063r1a0c940ab5ef07ca@mail.gmail.com> <14D9C9E2ED61ED41BC3B37ACDF4E880002B40FAFC4EF@heavy-vm03.heavy.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <14D9C9E2ED61ED41BC3B37ACDF4E880002B40FAFC4EF@heavy-vm03.heavy.org.uk> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Tim Moore Cc: "xen-devel@lists.xensource.com" , 'Bryan York' List-Id: xen-devel@lists.xenproject.org Tim Moore wrote: > Hi Bryan >=20 > =20 >=20 > I think my email to Peter along with emails from probably yourself and > other people in the community is what prompted his reply to xen-users. >=20 > =20 >=20 > There seems to be a general reluctance to move this forwards within the > Xen developers, I think this may be due to the current status of some o= f > the commercial vendors that are working on the =E2=80=9Cnext big thing=E2= =80=9D for > Virtualisation. Neocleus and XCI seem to be the products that will brin= g > this to market.. it seems that the open source community may be being > left out at this stage!? >=20 Come on, XCI sources are fully open source and available on the web! The plain truth is that graphic card passtrough doesn't always work at the moment, most of the problems come from the rexecution of the vga bios (or the lack of thereof). You can read the workaround we have in place in XCI in tools/libxc/xc_hvm_build.c:setup_vga_pt, but even that one doesn't work all the times.