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
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