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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] RE: [RFC][QEMU] ATI graphics VBIOS passthru support
Hi, ATI gpu passthru should already works as a secondary display adapter (along with the cirrus/stdvga in the guest). This patch is to use an ATI gpu passthru without any other display adapter in the guest. Jean On 7 December 2010 11:00, Pasi Kärkkäinen <pasik@xxxxxx> wrote: > On Wed, Oct 13, 2010 at 04:37:10PM -0500, Huang2, Wei wrote: >> Sorry, hold on a second. This fix seems corrupt my pci config space after >> several runs. >> > > Hello, > > Any updates to these patches? Many users have been asking about amd/ati vga > passthru stuff.. > > -- Pasi > >> >> >> -Wei >> >> >> >> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx >> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Huang2, Wei >> Sent: Wednesday, October 13, 2010 3:47 PM >> To: djmagee@xxxxxxxxxxxx; Kay, Allen M; Ian Jackson >> Cc: Wang2, Wei; Xen-devel >> Subject: RE: [Xen-devel] RE: [RFC][QEMU] ATI graphics VBIOS passthru >> support >> >> >> >> Hi Allen and Doug, >> >> >> >> Could you fix the following line in save_pci_conf_space() of >> tools/python/xen/util/pci.py? >> >> >> >> "for i in range(0, 256, 4):" to "for i in range(0, 512, 4):" >> >> >> >> This solves my black screen issue. Please let me know the results. >> >> >> >> >> >> Thanks, >> >> -Wei >> >> >> >> From: djmagee@xxxxxxxxxxxx [mailto:djmagee@xxxxxxxxxxxx] >> Sent: Friday, October 08, 2010 10:53 AM >> To: Huang2, Wei; Kay, Allen M; Ian Jackson >> Cc: Xen-devel; Wang2, Wei >> Subject: RE: [Xen-devel] RE: [RFC][QEMU] ATI graphics VBIOS passthru >> support >> >> >> >> Wei, >> >> These were guests that had never seen the catalyst driver >> before. I booted each three with the graphics device and usb devices >> assigned, they worked fine using the basic VGA driver, then installed >> fresh Catalyst 10.9, rebooted, and each one crashed. >> >> >> >> Let me know if there's any other info I can provide that >> will help you debug. The motherboard is a DQ45CB, running xen-unstable >> c/s 22155 using `dom0_mem=768M iommu=1' on the grub line, and using pvops >> Dom0 from stable-2.6.32.x commit 179eca50. >> >> >> >> Doug Magee >> >> >> >> From: Huang2, Wei [mailto:Wei.Huang2@xxxxxxx] >> Sent: Friday, October 08, 2010 11:41 AM >> To: djmagee@xxxxxxxxxxxx; Kay, Allen M; Ian Jackson >> Cc: Xen-devel; Wang2, Wei >> Subject: RE: [Xen-devel] RE: [RFC][QEMU] ATI graphics VBIOS passthru >> support >> >> >> >> Hi Doug, >> >> >> >> Regarding Catalyst driver, we never saw guest crashing. Was it a fresh >> Catalyst installation or an existing guest image? We felt this VBIOS patch >> might not provide all necessary resources to driver, which got upset. >> Currently we are debugging it with our driver team and will let you know >> the update. >> >> >> >> Thanks, >> >> -Wei >> >> >> >> From: djmagee@xxxxxxxxxxxx [mailto:djmagee@xxxxxxxxxxxx] >> Sent: Friday, October 08, 2010 9:41 AM >> To: Huang2, Wei; Kay, Allen M; Ian Jackson >> Cc: Xen-devel >> Subject: RE: [Xen-devel] RE: [RFC][QEMU] ATI graphics VBIOS passthru >> support >> >> >> >> Wei, >> >> I've tested with a Radeon 4770 and it the VBIOS works >> without a problem, through many guest (re)boots, so it seems pretty >> solid. I tested a linux guest (fairly standard Fedora 12), Windows XP, >> and Windows 7 (without accelerated drivers). The open radeon linux driver >> works fine. >> >> >> >> The Catalyst driver fails in Windows XP (STOP 0x000000EA, thread stuck in >> device driver), windows 7 (STOP 0x00000116, driver fails to properly >> reset?), and linux (total system freeze). This seems to be different than >> the `Blank Screen' problem you report, as the driver is clearly not >> functioning properly. >> >> >> >> Doug Magee >> >> >> >> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx >> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Huang2, Wei >> Sent: Friday, October 08, 2010 9:57 AM >> To: Kay, Allen M; Ian Jackson >> Cc: Xen-devel >> Subject: [Xen-devel] RE: [RFC][QEMU] ATI graphics VBIOS passthru support >> >> >> >> Hi Allen, >> >> >> >> Yes, Catalyst driver is the one from public website. The driver still has >> a minor issue with this VBIOS patch. The purpose of submitting VBIOS >> patch is to get community feedbacks. After we figure out the root cause of >> black screen, I will formally submit a patch for inclusion. >> >> >> >> Thanks, >> >> -Wei >> >> >> >> From: Kay, Allen M [mailto:allen.m.kay@xxxxxxxxx] >> Sent: Friday, October 08, 2010 2:21 AM >> To: Huang2, Wei; Ian Jackson >> Cc: Xen-devel >> Subject: RE: [RFC][QEMU] ATI graphics VBIOS passthru support >> >> >> >> Hi Wei, >> >> >> >> Is Catalyst driver the one on AMD website? I think that's what I have in >> my win7 guest and it matches the symptom you are describing. "lspci" >> reports my ATI card is a V5700 - although it says v3750 on the box. Where >> can I get a working driver? >> >> >> >> The patch looks reasonable to me in general. >> >> >> >> Allen >> >> >> >> From: Huang2, Wei [mailto:Wei.Huang2@xxxxxxx] >> Sent: Thursday, October 07, 2010 9:06 PM >> To: Kay, Allen M; Ian Jackson >> Cc: Xen-devel >> Subject: RE: [RFC][QEMU] ATI graphics VBIOS passthru support >> >> >> >> Hi Allen, >> >> >> >> Thanks for testing it out. We have tested this patch with Radeon 4850, >> 4870, FirePro V5700 and FirePro M5800. Unfortunately we don't have V3750 >> at hand. It is very possible this patch isn't compatible with V3750. We >> will try to get hold of one for debugging. For graphics which work with >> this path, users should be able to get rid of emulated gfx (such as >> Cirrus). I have successfully installed a Windows guest VM using this >> patch. >> >> >> >> I also want to point out that there is still an issue. Users will see a >> black screen after installing Catalyst driver. Even though the screen >> appears to be black, the driver is actually functioning correctly (3DMark >> can be run with external monitor). Our driver team is currently debugging >> it and they believe this is easy to fix. >> >> >> >> What is your opinion on this patch (and the solution) in general? >> >> >> >> -Wei >> >> >> >> From: Kay, Allen M [mailto:allen.m.kay@xxxxxxxxx] >> Sent: Thursday, October 07, 2010 6:58 PM >> To: Huang2, Wei; Ian Jackson >> Cc: Xen-devel >> Subject: RE: [RFC][QEMU] ATI graphics VBIOS passthru support >> >> >> >> Hi Wei, >> >> >> >> This patch did not cause any problems with Intel IGD passthrough for me. >> However, the monitor remained blank if I pass through ATI Firepro V3750 >> either as the primary display device or the secondary device >> (gfx_passthru=1/0). Passing it through as the secondary device used to >> work. >> >> >> >> Have you tested the patch with this graphics card? >> >> >> >> Allen >> >> >> >> From: Huang2, Wei [mailto:Wei.Huang2@xxxxxxx] >> Sent: Thursday, October 07, 2010 9:57 AM >> To: Ian Jackson >> Cc: Xen-devel; Kay, Allen M >> Subject: [RFC][QEMU] ATI graphics VBIOS passthru support >> >> >> >> Hi Ian, >> >> >> >> There have been a lot of interest on gfx passthru recently. This patch >> enables ATI VBIOS in passthru mode. The guest VM system BIOS (including >> Windows boot logo) can now show in passthru screen. We have tested with >> various Windows and Linux guest VMs. Please help review it. We are also >> looking forward to comments and suggestions from Xen community users. >> >> >> >> Signed-off-by: Wei Huang <wei.huang2@xxxxxxx> >> >> Signed-off-by: Wei Wang <wei.wang2@xxxxxxx> >> >> >> >> > >> _______________________________________________ >> Xen-devel mailing list >> Xen-devel@xxxxxxxxxxxxxxxxxxx >> http://lists.xensource.com/xen-devel > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-devel > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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