From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= Subject: Re: [PATCH 1/2] libxl: set stdvga=1 by default when creating a hvm guest Date: Wed, 27 Jun 2012 14:20:59 +0300 Message-ID: <20120627112059.GH2058@reaktio.net> References: <1B4B44D9196EFF41AE41FDA404FC0A100FEA45@SHSMSX101.ccr.corp.intel.com> <1340717554.3832.107.camel@zakaz.uk.xensource.com> <1B4B44D9196EFF41AE41FDA404FC0A1010076A@SHSMSX101.ccr.corp.intel.com> <20120627104555.GF2058@reaktio.net> <1340795523.29172.31.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: <1340795523.29172.31.camel@zakaz.uk.xensource.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: Ian Campbell Cc: Ian Jackson , "Ren, Yongjie" , "xen-devel@lists.xen.org" , "Tim (Xen.org)" , Stefano Stabellini List-Id: xen-devel@lists.xenproject.org On Wed, Jun 27, 2012 at 12:12:03PM +0100, Ian Campbell wrote: > On Wed, 2012-06-27 at 11:45 +0100, Pasi K=E4rkk=E4inen wrote: > > On Wed, Jun 27, 2012 at 01:45:49AM +0000, Ren, Yongjie wrote: > > > > -----Original Message----- > > > > From: Stefano Stabellini [mailto:stefano.stabellini@eu.citrix.com] > > > > Sent: Wednesday, June 27, 2012 1:00 AM > > > > To: Ian Campbell > > > > Cc: Ren, Yongjie; xen-devel@lists.xen.org; Ian Jackson; Tim (Xen.or= g); > > > > Stefano Stabellini > > > > Subject: Re: [PATCH 1/2] libxl: set stdvga=3D1 by default when crea= ting a hvm > > > > guest > > > > = > > > > On Tue, 26 Jun 2012, Ian Campbell wrote: > > > > > On Tue, 2012-06-26 at 07:02 +0100, Ren, Yongjie wrote: > > > > > > libxl: set stdvga=3D1 by default when creating a hvm guest > > > > > > > > > > > > Most of the modern OSes (e.g. Windows XP, Windows 7, RHEL6.x, > > > > Ubuntu, Fedora) support VBE 2.0 or later. > > > > > > So, select a standard VGA card with VBE as the default emulated > > > > graphics device. > > > > > > > > > > I'm not expert on the graphics side of HVM, but on the face of it > > > > > switching the default to something more modern seems like a > > > > reasonable > > > > > idea, although I'm not sure if we should be doing this for 4.2 at= this > > > > > point. > > > > > > > > > > I've CCd Tim and Stefano for input from the HVM and QEMU sides. > > > > = > > > > I think it is a good thing. > > > > The only thing to keep in mind is that QEMU upstream is switching to > > > > 16MB of videoram for stdvga. So at some point in the near future > > > > upstream QEMU will stop working correctly with xen 4.2, unless we b= ump > > > > the videoram to 16MB too. > > > > = > > > Yes, we should pay attention to this when using upstream QEMU. > > > = > > = > > Earlier there was a discussion about upstream QEMU lacking support > > for being able to specify/configure the amount of videomem. > = > I believe you were going to send a patch documenting this? = > = Yep, I'll do that.. -- Pasi