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>
>>
>>
>>
>>
>
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>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>
>
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