From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vincent Hanquez Subject: Re: XCI: can we get to the demo state? Date: Fri, 14 Aug 2009 12:04:57 +0100 Message-ID: <4A8544D9.9070204@eu.citrix.com> References: <44063.3697.qm@web82302.mail.mud.yahoo.com> <4A801E65.9000402@eu.citrix.com> <14D9C9E2ED61ED41BC3B37ACDF4E880002CE4F3F9CDB@heavy-vm03.heavy.org.uk> <4A81A067.90805@eu.citrix.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: Phung Te Ha Cc: "xen-devel@lists.xensource.com" , Ross Philipson , Kamala Narasimhan List-Id: xen-devel@lists.xenproject.org Phung Te Ha wrote: > Hi Vincent, > > I tried your suggestion, adding pci = 0,bind,0000:00:02.0 in the config > on 2 different machines, the HP6930 and on an Intel MB DQ35OJ. > > On both machines, I got the samething, the guest run as shown by > xenops list_domains: > > id | state | cpu_time | uuid > 0 | R | 54203470658 | 00000000-0000-0000-0000-000000000000 > 1 | B H | 12214238864 | 00000000-0000-0000-0000-000000000002 > > But nothing shows on the screen. > > I checked the logs and found in xenops dmesg: > > ... > (XEN) Intel VT-d Snoop Control not supported. > (XEN) Intel VT-d DMA Passthrough not supported. > (XEN) Intel VT-d Queued Invalidation not supported. > (XEN) Intel VT-d Interrupt Remapping not supported. > (XEN) I/O virtualisation enabled > (XEN) I/O virtualisation for PV guests disabled > > > And when the guest is started: > > ... > _fault:DMA Write: 0:2.0 addr faddf7000 REASON 5 iommu->reg = > ffff828bfff56000 > (XEN) print_vtd_entries: iommu = ffff83007dcfb320 bdf = 0:2:0 gmfn = > faddf7 > (XEN) root_entry = ffff83007e0ce000 > (XEN) root_entry[0] = 7e066001 > (XEN) context = ffff83007e066000 > (XEN) context[10] = 201_7da02001 > (XEN) l3 = ffff83007da02000 > (XEN) l3_index = 3e > (XEN) l3[3e] = 0 > (XEN) l3[3e] not present > (XEN) [VT-D]iommu.c:722: iommu_page_fault: iommu->reg = ffff828bfff56000 > (XEN) [VT-D]iommu.c:691: iommu_fault_status: Fault Overflow > (XEN) [VT-D]iommu.c:694: iommu_fault_status: Primary Pending Fault > (XEN) [VT-D]iommu.c:676: iommu_fault:DMA Write: 0:2.0 addr faddf7000 > REASON 5 iommu->reg = ffff828bfff56000 > (XEN) print_vtd_entries: iommu = ffff83007dcfb320 bdf = 0:2:0 gmfn = > faddf7 > (XEN) root_entry = ffff83007e0ce000 > (XEN) root_entry[0] = 7e066001 > (XEN) context = ffff83007e066000 > ... > > Do you think these 2 machines have enough of VT-d features to get the > graphics passed-through? > Do you have a preferred desktop board, known to work for graphisc > passed-through? I'm not really familiar with thoses VT-d errors. Kamala/Ross do you have any idea, what this previous errors means ? thanks, -- Vincent