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Re: [Xen-devel] RE: [RFC][QEMU] ATI graphics VBIOS passthru support

To: Wei Huang <wei.huang2@xxxxxxx>
Subject: Re: [Xen-devel] RE: [RFC][QEMU] ATI graphics VBIOS passthru support
From: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>
Date: Sat, 11 Dec 2010 15:06:26 +0100
Cc: Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, "Kay, Allen M" <allen.m.kay@xxxxxxxxx>, "Wang2, Wei" <Wei.Wang2@xxxxxxx>, "djmagee@xxxxxxxxxxxx" <djmagee@xxxxxxxxxxxx>
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Do i need any previous patches for this to work ?

After applying it to xen-unstable, compiling xen results in:

make[2]: Entering directory `/usr/src/new/xen-unstable.hg/extras/mini-os'
[ -e include/xen ] || ln -sf ../../../xen/include/public include/xen
[ -e include/mini-os ] || ln -sf . include/mini-os
[ -e include/x86/mini-os ] || ln -sf . include/x86/mini-os
make --directory=arch/x86 
OBJ_DIR=/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/arch/x86 || 
exit 1;
make[3]: Entering directory 
`/usr/src/new/xen-unstable.hg/extras/mini-os/arch/x86'
make[3]: Nothing to be done for `all'.
make[3]: Leaving directory 
`/usr/src/new/xen-unstable.hg/extras/mini-os/arch/x86'
ld -r -nostdlib 
-L/usr/src/new/xen-unstable.hg/stubdom/cross-root-x86_64/x86_64-xen-elf/lib  -m 
elf_x86_64 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/arch/x86/x86_64.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/mini-os_app.o  
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/blkfront.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/events.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/fbfront.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/fs-front.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/gntmap.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/gnttab.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/hypervisor.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/kernel.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/lock.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/main.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/mm.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/netfront.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/pcifront.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/sched.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/lib/ctype.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/lib/math.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/lib/printf.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/lib/stack_chk_fail.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/lib/string.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/lib/sys.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/lib/xmalloc.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/lib/xs.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/xenbus/xenbus.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/console/console.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/console/xencons_ring.o
 /usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/lwip.a 
-L/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/arch/x86 -lx86_64  
-lc -o /usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/mini-os.o
objcopy -w -G xenos_* -G _start 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/mini-os.o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/mini-os.o
ld -nostdlib 
-L/usr/src/new/xen-unstable.hg/stubdom/cross-root-x86_64/x86_64-xen-elf/lib  -m 
elf_x86_64 -T arch/x86/minios-x86_64.lds 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/mini-os.o  -o 
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/mini-os
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/mini-os.o: In 
function `ati_hw_out':
/usr/src/new/xen-unstable.hg/stubdom/ioemu/hw/pt-graphics.c:82: undefined 
reference to `ioperm'
/usr/src/new/xen-unstable.hg/stubdom/ioemu/hw/pt-graphics.c:84: undefined 
reference to `ioperm'
/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/mini-os.o: In 
function `ati_hw_in':
/usr/src/new/xen-unstable.hg/stubdom/ioemu/hw/pt-graphics.c:72: undefined 
reference to `ioperm'
/usr/src/new/xen-unstable.hg/stubdom/ioemu/hw/pt-graphics.c:74: undefined 
reference to `ioperm'
make[2]: *** 
[/usr/src/new/xen-unstable.hg/stubdom/mini-os-x86_64-ioemu/mini-os] Error 1
make[2]: Leaving directory `/usr/src/new/xen-unstable.hg/extras/mini-os'
make[1]: *** [ioemu-stubdom] Error 2
make[1]: Leaving directory `/usr/src/new/xen-unstable.hg/stubdom'
make: *** [install-stubdom] Error 2

Don't know why the include of sys/io.h doesn't seem to work
--

Sander

Saturday, December 11, 2010, 12:40:19 AM, you wrote:

> Hi,

> The attached patch supports dynamic detection of BARs (both MMIO and 
> PIO). Hopefully it can alleviate some of the issues you saw with ATI gfx 
> passthru. Please let me know whether it works better for you.

> Thanks,
> -Wei

> On 12/07/2010 04:00 AM, Pasi Kärkkäinen 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
>>




-- 
Best regards,
 Sander                            mailto:linux@xxxxxxxxxxxxxx


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