From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Kwon Subject: Re: Re: [PATCH] remove _PS0 from the DSDTo Date: Thu, 17 Mar 2011 14:21:49 -0700 Message-ID: <4D827B6D.7070006@ericsson.com> References: <987664A83D2D224EAE907B061CE93D53019D874BA3@orsmsx505.amr.corp.intel.com> <4D6BCFC4.9000805@redhat.com> <4D82539B.9080708@ericsson.com> <4D825D15.5020107@ericsson.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Stefano Stabellini Cc: "xen-devel@lists.xensource.com" , "Kay, Allen M" , Guyader , Ian Campbell , Paolo Bonzini Jean List-Id: xen-devel@lists.xenproject.org On 03/17/2011 12:15 PM, Stefano Stabellini wrote: > On Thu, 17 Mar 2011, Jason Kwon wrote: >> On 03/17/2011 11:40 AM, Stefano Stabellini wrote: >>> On Thu, 17 Mar 2011, Jason Kwon wrote: >>>> Stefano Stabellini wrote: >>>>> On Mon, 28 Feb 2011, Paolo Bonzini wrote: >>>>>> On 02/28/2011 04:33 PM, Stefano Stabellini wrote: >>>>>>> However there is a simple workaround for it: just disable acpi in the >>>>>>> config file of the VM. >>>>>> I think recent Windows versions (Vista and newer) do not boot at all >>>>>> without ACPI. >>>>> I am not suggesting to disable ACPI altogether. I am just saying that >>>>> the only way to get a recent Linux HVM guest to drive a VF is to disable >>>>> ACPI, unfortunately. >>>>> >>>>> _______________________________________________ >>>>> Xen-devel mailing list >>>>> Xen-devel@lists.xensource.com >>>>> http://lists.xensource.com/xen-devel >>>>> >>>> Hello, >>>> >>>> Has this hvmloader patch been finalized? I updated to Xen 4.1 rc7/Dom0 >>>> 2.6.32.32, and saw that the register_slot ACPI fixes were in the Dom0 >>>> kernel, but not this hvmloader change. I previously tested this patch >>>> on Xen 4.1 rc4 and had success with it when booting linux guests. >>> we are trying to fix this on the Linux kernel side, we have two patches >>> waiting to be applied: >>> >>> https://lkml.org/lkml/2011/2/28/296 >>> https://lkml.org/lkml/2011/3/8/212 >>> >> Thanks Stefano, I missed the second kernel patch. Just to clarify, >> should these patches be applied to Dom0 or the guest kernel (or both)? > > the guest's kernel Does this mean VF passthrough will not be supported for guests running kernels older than 2.6.39 (or whichever kernel incorporates these patches)? I was happy with the hvmloader patch, in that it allowed me to use VF passthrough with older kernels. Jason