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Re: [Xen-devel] Video Presentation on PCI Express x16 VGA Pass Through to Xen-based Windows XP Home Edition HVM Virtual Machine

Hi All,

Here is my working Windows XP Home Edition 32-bit HVM domU guest configuration file:

<CODE>

#import os, re
#arch = os.uname()[4]
#if re.search('64', arch):
#    arch_libdir = 'lib64'
#else:
#    arch_libdir = 'lib'

kernel = "/usr/lib/xen/boot/hvmloader"
builder='hvm'
memory = 3072

# Should be at least 2KB per MB of domain memory, plus a few MB per vcpu.
#shadow_memory = 8
name = "winxphome32"
vif = [ 'bridge=eth0' ]
acpi = 1
apic = 1
disk = [ 'phy:/dev/virtualmachines/winxphome32,hda,w', 'phy:/dev/sr0,hdc:cdrom,r' ]

#device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
#device_model = '/usr/' + 'lib' + '/xen/bin/qemu-dm'
device_model = 'qemu-dm'

#-----------------------------------------------------------------------------
# boot on floppy (a), hard disk (c) or CD-ROM (d)
# default: hard disk, cd-rom, floppy
boot="cd"
#sdl=0
#vnc=1
#vncconsole=1
#vncpasswd=''

#serial='pty'
#usbdevice='tablet'
# onboard
#pci = [ '00:02.0' ]
# nvidia
pci = [ '01:00.0' ]
vcpus=2
# No passthrough
#gfx_passthru=0
# onboard
#gfx_passthru=1
# nvidia
gfx_passthru=2

# Can only pass through one usb device at a time
usb=1
# USB Unity Green Mouse
#usbdevice = 'host:1bcf:0007'
# USB A1pro Black Mouse
usbdevice = 'host:15d9:0a41'
# USB Keyboard
#usbdevice = 'host:0603:00f2'
# USB Sony IC Recorder
#usbdevice = 'host:054c:0271'
# USB Lexmark X1270 Color Printer
#usbdevice = 'host:043d:00ff'
# USB Lexmark X1270 Photo Scanner
#usbdevice = 'host:043d:007d'
# USB Lexmark X1270 Generic Hub
#usbdevice = 'host:043d:007a'

</CODE>

--
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical Engineering)
Alma Maters:
(1) Singapore Polytechnic
(2) National University of Singapore
Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
Email: space.time.universe@xxxxxxxxx
MSN: teoenming@xxxxxxxxxxx
Mobile Phone: +65-9648-9798
Street: Bedok Reservoir Road
Republic of Singapore

On Mon, Sep 14, 2009 at 2:28 AM, Mr. Teo En Ming (Zhang Enming) <space.time.universe@xxxxxxxxx> wrote:
USB Device Pass Through Succeeded

How thick I must have been! In my earlier blog posts with VGA passthrough succeeded, I said that I couldn't passthrough any USB device at all.

As a matter of fact, Timothy had corrected my usbdevice directive in the guest config file in an earlier mailing list post but I didn't take a careful look at the usbdevice directive at all. The correct usbdevice directive is:

usbdevice = "host:vendorid:productid"

I had used

usbdevice = [ 'host:vendorid:productid' ]

which is completely erroneous. I need to omit the square brackets for USB device passthrough to work.

I have now successfully passed through the USB optical mouse to the Windows XP Home HVM domU and using on-screen keyboard as a substitute for the physical USB keyboard.

The reason I am doing this is because QEMU with Xen can only allow one USB device to be passed through at any one time.

It was so obvious and I missed the obvious!

Sorry Timothy!


--
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical Engineering)
Alma Maters:
(1) Singapore Polytechnic
(2) National University of Singapore
Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
Email: space.time.universe@xxxxxxxxx
MSN: teoenming@xxxxxxxxxxx
Mobile Phone: +65-9648-9798
Street: Bedok Reservoir Road
Republic of Singapore

On Mon, Sep 14, 2009 at 2:22 AM, Mr. Teo En Ming (Zhang Enming) <space.time.universe@xxxxxxxxx> wrote:
Dear Pasi,

Yes, I have tried the nomodeset kernel parameter without result.

I couldn't get Jeremy's rebase/master branch (pvops dom 0 kernel 2.6.31) to work despite disabling all of USB support in the kernel. I will troubleshoot this issue with the serial console enabled another time.

Meanwhile, I got Linus' mainline kernel 2.6.31 to work on my system. So apparently the dom 0 patched kernel 2.6.31 has some issues or I did not configure it properly.

--
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical Engineering)
Alma Maters:
(1) Singapore Polytechnic
(2) National University of Singapore
Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
Email: space.time.universe@xxxxxxxxx
MSN: teoenming@xxxxxxxxxxx
Mobile Phone: +65-9648-9798
Street: Bedok Reservoir Road
Republic of Singapore

On Sun, Sep 13, 2009 at 5:12 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
On Sun, Sep 13, 2009 at 08:31:26AM +0800, Mr. Teo En Ming (Zhang Enming) wrote:
> I have disabled all USB support in the kernel but I still couldn't get pvops
> dom0-patched kernel 2.6.31 final to complete loading. All I get is a
> blinking cursor at the top left hand corner of the monitor.
>

Did you try "nomodeset" parameter for the dom0 kernel?

Have you tried setting up a serial console and capturing the kernel boot
messages?

-- Pasi

> --
> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical
> Engineering)
> Alma Maters:
> (1) Singapore Polytechnic
> (2) National University of Singapore
> Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
> Email: space.time.universe@xxxxxxxxx
> MSN: teoenming@xxxxxxxxxxx
> Mobile Phone: +65-9648-9798
> Street: Bedok Reservoir Road
> Republic of Singapore
>
> On Sat, Sep 12, 2009 at 8:23 PM, Mr. Teo En Ming (Zhang Enming) <
> space.time.universe@xxxxxxxxx> wrote:
>
> > OK I have UHCI, OHCI, EHCI, and xHCI all disabled in the kernel but I still
> > can't get pvops dom 0 kernel 2.6.31 final to boot up completely.
> >
> > Really puzzled.
> >
> > --
> > Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical
> > Engineering)
> > Alma Maters:
> > (1) Singapore Polytechnic
> > (2) National University of Singapore
> > Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
> > Email: space.time.universe@xxxxxxxxx
> > MSN: teoenming@xxxxxxxxxxx
> > Mobile Phone: +65-9648-9798
> > Street: Bedok Reservoir Road
> > Republic of Singapore
> >
> > On Sat, Sep 12, 2009 at 6:11 PM, Mr. Teo En Ming (Zhang Enming) <
> > space.time.universe@xxxxxxxxx> wrote:
> >
> >> I have disabled USB 1.0 and USB 2.0 drivers simultaneously and enabled USB
> >> 3.0 driver but the kernel stops loading.
> >>
> >> Then I totally disabled all USB support by passing the "nousb" parameter
> >> to the kernel but it still stops loading.
> >>
> >> pvops dom 0 2.6.31 final can't work.
> >>
> >> --
> >> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical
> >> Engineering)
> >> Alma Maters:
> >> (1) Singapore Polytechnic
> >> (2) National University of Singapore
> >> Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
> >> Email: space.time.universe@xxxxxxxxx
> >> MSN: teoenming@xxxxxxxxxxx
> >> Mobile Phone: +65-9648-9798
> >> Street: Bedok Reservoir Road
> >> Republic of Singapore
> >>
> >> On Sat, Sep 12, 2009 at 4:44 PM, Mr. Teo En Ming (Zhang Enming) <
> >> space.time.universe@xxxxxxxxx> wrote:
> >>
> >>> After disabling the USB 1.0 driver, but leaving the USB 2.0 driver
> >>> compiled statically into the kernel, I get an error with the USB 2.0 driver.
> >>> This means I cannot use either of the USB 1.0 and USB 2.0 drivers.
> >>>
> >>> Please refer to my blog post here:
> >>>
> >>>
> >>> http://teo-en-ming-aka-zhang-enming.blogspot.com/2009/09/after-disabling-usb-10-host-controller.html
> >>>
> >>> --
> >>> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical
> >>> Engineering)
> >>> Alma Maters:
> >>> (1) Singapore Polytechnic
> >>> (2) National University of Singapore
> >>> Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
> >>> Email: space.time.universe@xxxxxxxxx
> >>> MSN: teoenming@xxxxxxxxxxx
> >>> Mobile Phone: +65-9648-9798
> >>> Street: Bedok Reservoir Road
> >>> Republic of Singapore
> >>>
> >>> On Sat, Sep 12, 2009 at 10:52 AM, Mr. Teo En Ming (Zhang Enming) <
> >>> space.time.universe@xxxxxxxxx> wrote:
> >>>
> >>>> Hi,
> >>>>
> >>>> I have tried pvops dom 0 kernel 2.6.31 final from Jeremy's tree.
> >>>>
> >>>> But it gave me a USB host controller died error.
> >>>>
> >>>> Please refer to the error output here:
> >>>>
> >>>>
> >>>> http://teo-en-ming-aka-zhang-enming.blogspot.com/2009/09/error-with-pv-ops-dom-0-kernel-2631.html
> >>>>
> >>>> --
> >>>> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical
> >>>> Engineering)
> >>>> Alma Maters:
> >>>> (1) Singapore Polytechnic
> >>>> (2) National University of Singapore
> >>>> Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
> >>>> Email: space.time.universe@xxxxxxxxx
> >>>> MSN: teoenming@xxxxxxxxxxx
> >>>> Mobile Phone: +65-9648-9798
> >>>> Street: Bedok Reservoir Road
> >>>> Republic of Singapore
> >>>>
> >>>> On Sat, Sep 12, 2009 at 12:03 AM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> >>>>
> >>>>> On Fri, Sep 11, 2009 at 11:37:15PM +0800, Mr. Teo En Ming (Zhang
> >>>>> Enming) wrote:
> >>>>> > Hi,
> >>>>> >
> >>>>> > Please refer to the disk I/O benchmark results here:
> >>>>> >
> >>>>> >
> >>>>> http://teo-en-ming-aka-zhang-enming.blogspot.com/2009/09/disk-io-benchmark-results-with-xen.html
> >>>>> >
> >>>>> > Results show that Win XP HVM guest runs faster in 2.6.30-rc3 than
> >>>>> > 2.6.31-rc6.
> >>>>> >
> >>>>>
> >>>>> Btw you might also want to test with the latest rebase/master tree;
> >>>>> it's
> >>>>> at Linux 2.6.31 final now.
> >>>>>
> >>>>> -- Pasi
> >>>>>
> >>>>> > --
> >>>>> > Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics)
> >>>>> BEng(Hons)(Mechanical
> >>>>> > Engineering)
> >>>>> > Alma Maters:
> >>>>> > (1) Singapore Polytechnic
> >>>>> > (2) National University of Singapore
> >>>>> > Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
> >>>>> > Email: space.time.universe@xxxxxxxxx
> >>>>> > MSN: teoenming@xxxxxxxxxxx
> >>>>> > Mobile Phone: +65-9648-9798
> >>>>> > Street: Bedok Reservoir Road
> >>>>> > Republic of Singapore
> >>>>> >
> >>>>> > On Fri, Sep 11, 2009 at 8:19 AM, Mr. Teo En Ming (Zhang Enming) <
> >>>>> > space.time.universe@xxxxxxxxx> wrote:
> >>>>> >
> >>>>> > > Hi,
> >>>>> > >
> >>>>> > > I will try to stop unnecessary services on Dom 0 and do a disk I/O
> >>>>> > > benchmark between WinXP domU on 2.6.30-rc3 and 2.6.31-rc6 tonight
> >>>>> (Singapore
> >>>>> > > time). That will be more conclusive.
> >>>>> > >
> >>>>> > > --
> >>>>> > > Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics)
> >>>>> BEng(Hons)(Mechanical
> >>>>> > > Engineering)
> >>>>> > > Alma Maters:
> >>>>> > > (1) Singapore Polytechnic
> >>>>> > > (2) National University of Singapore
> >>>>> > > Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
> >>>>> > > Email: space.time.universe@xxxxxxxxx
> >>>>> > > MSN: teoenming@xxxxxxxxxxx
> >>>>> > > Mobile Phone: +65-9648-9798
> >>>>> > > Street: Bedok Reservoir Road
> >>>>> > > Republic of Singapore
> >>>>> > >
> >>>>> > > On Fri, Sep 11, 2009 at 2:17 AM, Jeremy Fitzhardinge <
> >>>>> jeremy@xxxxxxxx>wrote:
> >>>>> > >
> >>>>> > >> On 09/10/09 07:03, Pasi Kärkkäinen wrote:
> >>>>> > >> > On Thu, Sep 10, 2009 at 08:28:03PM +0800, Mr. Teo En Ming (Zhang
> >>>>> Enming)
> >>>>> > >> wrote:
> >>>>> > >> >
> >>>>> > >> >> Dear All,
> >>>>> > >> >>
> >>>>> > >> >> Here is my latest video presentation on VGA passthrough. Please
> >>>>> check
> >>>>> > >> out my
> >>>>> > >> >> blog at http://teo-en-ming-aka-zhang-enming.blogspot.com/ or
> >>>>> the
> >>>>> > >> Youtube
> >>>>> > >> >> link at http://www.youtube.com/watch?v=1ia3IwG6tp4
> >>>>> > >> >>
> >>>>> > >> >> The "not enough free resources" problem for nVidia Geforce 8400
> >>>>> GS PCI
> >>>>> > >> >> Express x16 graphics card in earlier presentation videos:
> >>>>> > >> >>
> >>>>> > >> >> http://www.youtube.com/watch?v=HNEiSI...<
> >>>>> > >> http://www.youtube.com/watch?v=HNEiSInrav0>
> >>>>> > >> >>
> >>>>> > >> >> http://www.youtube.com/watch?v=_hOT_9...<
> >>>>> > >> http://www.youtube.com/watch?v=_hOT_9LIG5w>
> >>>>> > >> >>
> >>>>> > >> >> was fixed. Device manager in Windows XP HVM domU no longer
> >>>>> shows an
> >>>>> > >> >> exclamation mark besides the nVidia Geforce 8400 GS graphics
> >>>>> card. The
> >>>>> > >> >> device is working properly and the resources tab shows the
> >>>>> available
> >>>>> > >> memory
> >>>>> > >> >> ranges.
> >>>>> > >> >>
> >>>>> > >> >> Full VGA passthrough to Windows XP HVM guest operating system
> >>>>> using Xen
> >>>>> > >> >> virtualization has been realized. I am now able to run 3-D
> >>>>> video
> >>>>> > >> benchmarks
> >>>>> > >> >> on the passed through nVidia GeForce 8400 GS graphics card.
> >>>>> > >> >>
> >>>>> > >> >> All this is possible using Xen 3.5 hypervisor with Intel
> >>>>> supplied VGA
> >>>>> > >> >> passthrough patches. Instead of using pvops dom0 kernel
> >>>>> 2.6.31-rc6
> >>>>> > >> which
> >>>>> > >> >> causes Win XP domU to run slowly, I am now using pvops dom0
> >>>>> kernel
> >>>>> > >> >> 2.6.30-rc3.
> >>>>> > >> >>
> >>>>> > >> >>
> >>>>> > >> > Jeremy: Are you aware of any changes after 2.6.30-rc3 that could
> >>>>> cause
> >>>>> > >> > this HVM slowness?
> >>>>> > >> >
> >>>>> > >>
> >>>>> > >> I can't think of anything, unless the new swiotlb code is causing
> >>>>> > >> problems.
> >>>>> > >>
> >>>>> > >> > Any tips how it could be debugged?
> >>>>> > >> >
> >>>>> > >>
> >>>>> > >> It would help to isolate where the slowness is coming from.  How
> >>>>> much
> >>>>> > >> slowdown are we talking about?  Is the HVM domain doing lots of IO
> >>>>> at
> >>>>> > >> the time?  Are there any processes using lots of time in dom0?
> >>>>>  What's
> >>>>> > >> the interrupt rate like?
> >>>>> > >>
> >>>>> > >>    J
> >>>>> > >>
> >>>>> > >
> >>>>> > >
> >>>>> > >
> >>>>> > >
> >>>>> > >
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>
> >>>
> >>>
> >>>
> >>
> >>
> >>
> >
> >
> >
> >










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