From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Huang Subject: Re: RFC: Still TODO for 4.2? Date: Fri, 6 Jan 2012 13:08:59 -0600 Message-ID: <4F0746CB.6060706@amd.com> References: <1325694562.25206.304.camel@zakaz.uk.xensource.com> <20120104172519.GS12984@reaktio.net> <4F04A6CA.3010907@amd.com> <20120104194343.GT12984@reaktio.net> <4F04AF28.8040102@amd.com> <20120106153714.GA21220@andromeda.dapyr.net> Reply-To: wei.huang2@amd.com Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20120106153714.GA21220@andromeda.dapyr.net> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Konrad Rzeszutek Wilk Cc: xen-devel , Keir Fraser , Ian Campbell , Tim Deegan , Ian Jackson , Stefano Stabellini , Jan Beulich List-Id: xen-devel@lists.xenproject.org On 01/06/2012 09:37 AM, Konrad Rzeszutek Wilk wrote: > On Wed, Jan 04, 2012 at 01:57:28PM -0600, Wei Huang wrote: >> On 01/04/2012 01:43 PM, Pasi K?rkk?inen wrote: >>> On Wed, Jan 04, 2012 at 01:21:46PM -0600, Wei Huang wrote: >>>>>> Has anybody got anything else? I'm sure I've missed stuff. Are there any >>>>>> must haves e.g. in the paging/sharing spaces? >>>>>> >>>>> - What's the status of Nested Hardware Virtualization? >>>>> I remember some email saying Intel vmx-on-vmx has some performance >>>>> issues, >>>>> and amd svm-on-svm works better.. >>>>> >>>>> >>>>> - Also there's a bunch of VGA passthru related patches, >>>>> that I once volunteered to collect/rebase/cleanup/repost myself, >>>>> but I still haven't had time for that :( >>>> Since there were quite a lot of interest on this subject, should we >>>> document it in a separate wiki for working combinations (like >>>> hypervisor, dom0, gfx card, driver version, tricks, etc)? >>>> >>> I actually once started writing down that kind of stuff: >>> http://wiki.xen.org/xenwiki/XenVGAPassthroughTestedAdapters.html >>> >>> Feel free to contribute :) >>> >>> There's also: >>> http://wiki.xen.org/xenwiki/XenVGAPassthrough >> Thanks for sharing. I will contribute my findings as needed. BTW, do you >> need my VBIOS loading patches (sent long time ago) for AMD GPU? It is a > Yes! Thought I haven't figured out yet how to extract the AMD GPU BIOS > from the card. I've been able to pass in a Radeon 4870 to an Win 7 HVM > guest and it works nicely.. the first time. After I shut down the guest > it just never works again :-( This is a known issue which should be addressed for 4.2. I remember several persons reported this problem. > >> dilemma for several reasons: it doesn't always work; sometimes it can >> screw up main display while passthru 2nd GPUs. Plus the recent Catalyst >> driver seems very stable even without these patches. But Wei Wang told >> me that he needs them for some of his cards. >>> -- Pasi >>> >>> >> >> >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@lists.xensource.com >> http://lists.xensource.com/xen-devel