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Re: [Xen-users] Re : Re : Re : Re : Re : Xen VGA Passthrough Questions
Dear David Techer,
I have just had great success
with Xen VGA Passthrough to Windows 8 Consumer Preview HVM domU and
Windows XP HVM domU with Xen 4.2-unstable changeset 25070 in Ubuntu
11.10 64-bit dom0.
I am using Linux kernel 3.3.0. I can observe that you are using
Debian 6.0.2 from your blog. But I am using Ubuntu 11.10. My
favorite distro.
Please read my latest documentation "Xen VGA Passthrough - Version
1.1.pdf".
It is a great success, especially Xen VGA Passthrough to Windows 8
Consumer Preview. Thank you for your blog.
Yours sincerely,
Teo En Ming (Zhang Enming)
On 21/03/2012 21:40, David TECHER wrote:
Windows XP......OK
Windows 2008...KO
2008 is based on Vista. It may not work for NVIDIA.
(ATI should work).
I will not waste my time to help you if you don't
take into account these informations.
Dear David Techer,
Thank you for your reply.
I am already using Linux Kernel 3.3.0 final.
I will be making changes to my compilation steps for Xen
4.2-unstable changeset 25070.
Let's see how.
Yours sincerely,
Teo En Ming (Zhang Enming)
On 21/03/2012 19:09, David TECHER wrote:
My
domU Windows XP works perfectly with changeset 25070
Did you read http://wiki.xen.org/wiki/Xen_VGA_Passthrough
carefully?
As noticed in your document I am not used to compil
my kernel using
make world
I've got a doubt about building your
kernel this way, your kernel will have all
required support for VGA PassThrough
I'm used to compil from 3.1.10
Extract from documentation on Wiki
==========
Xen VGA
passthru requirements from dom0 kernel
Make sure your dom0 Linux kernel has
"CONFIG_XEN_PCIDEV_BACKEND_PASS" option enabled.
"CONFIG_XEN_PCIDEV_BACKEND_VPCI" should be
disabled. For example Debian Squeeze 2.6.32 kernel
has the wrong PCIDEV_BACKEND mode as a default..
so in that case you might need to recompile the
kernel with custom .config to get the right
backend mode in use. BACKEND_PASS mode means the
PCI IDs of the PCI device (graphics card) will be
the same in the VM as in dom0/host.
===============
So you need to download kernel 3.3 sources and
compil it properly.
Tonight (EST Time so in more than 8 hours ) I
will have a try for kernel 3.3 and see if I have
the same error an will let you know.
Dear David Techer,
Thank you for your reply.
I am using Windows XP / Windows 8 Consumer
Preview HVM domU and not Linux HVM domU.
Please read my Xen VGA Passthrough - Version
1.0.PDF and see whether I am missing out or
making any wrong steps.
Yours sincerely,
Teo En Ming (Zhang Enming)
On 21/03/2012 17:25, David TECHER wrote:
You need to add
nouveau.blacklist=1 in the grub.cfg of
your domU
Have access to partition table of your
domU using kpartx
kpart -va /dev/path/to/your/LVM/domU
mount /dev/mapper/.../....
/path/where/to/mount
vim
//path/where/to/mount/boot/grub/grub.cfg
add nouveau.blacklist=1 to the module
line.
Umount /path/where/to/mount
kpart -vd /dev/path/to/your/LVM/domU
boot your domU
Install NVIDIA driver.
Hi,
How do I stop lightdm display
manager and X.org server in
Ubuntu 11.10 and unload the
nouveau vga driver?
I can run "sudo killall lightdm"
and lightdm and X.org X server
will be terminated successfully,
but I cannot force nouveau to
unload at all. It always say
nouveau module is in use even if
I use "sudo modprobe --force
--remove nouveau".
I need to unload the following
kernel modules for successful
Xen VGA passthrough.
rmmod nouveau
rmmod ttm
rmmod drm_kms_helper
rmmod drm
Please read Deactivating KMS and unloading Nouveau at http://nouveau.freedesktop.org/wiki/KernelModeSetting
But setting "echo 0 >
/sys/class/vtconsole/vtcon1/bind"
causes the display to hang and
I can't do anything more at
all.
I can't force nouveau,ttm,drm_kms_helper,drm kernel modules to unload. Help!!!
Also, if I add xen-pciback.hide=(01:00.0) to the module line in GRUB2, the display turns blank while booting and I can't do anything at all. Any ideas?
Thank you very much.
Yours sincerely,
Teo En Ming (Zhang Enming)
On 21/03/2012 00:36, Casey
DeLorme wrote:
Hello,
Supposedly both the
board & CPU must have
VT-d, the E6300 does not:
If pciback was compiled
into your kernel (not a
module) then you can add
"xen-pciback.hide=(01:00.0)"
to the module line in your
grub.cfg, substituting
your lspci device names.
nVidia supposedly
requires patches and only
works in Windows XP, there
are a few Windows 7
success stories, but they
seem rare. Most people
have success without
patches using AMD cards.
Best of luck.
~Casey DeLorme
On
Tue, Mar 20, 2012 at 11:39
AM, Teo En Ming (Zhang
Enming) <singapore.mr.teo.en.ming@xxxxxxxxx>
wrote:
Dear David Techer
and others,
I thought Intel H61
chipset and MSI
motherboards
officially don't
support VT-x and VT-d?
There is no VT-d
enabling option in MSI
motherboard BIOS.
I want to test Xen VGA
passthrough for
Windows 8 Consumer
Preview 64-bit English
HVM domU with my Intel
DQ45CB motherboard and
Intel Pentium Dual
Core E6300 2800 MHz.
By the way, I am using
Linux kernel 3.3.0
Final. Should I use
PCIBACK or PCI-STUB?
If I use pciback, what
arguments should I
parse to the kernel
command line in GRUB2?
Please point me to the
documentation for
kernel command line
arguments in the linux
kernel source tree.
My graphics card:
Palit NVIDIA Geforce
8400 GS PCI Express
x16 SGD$44
Thank you very much.
Yours sincerely,
Teo En Ming (Zhang
Enming)
On 20/03/2012
23:17, David
TECHER wrote:
You're
welcome.
Keep
in mind that
if you are
going to
upgrade BIOS
for your
motherboard,
those values
for your card
may changed.
I
was in this
situation last
time BIOS was
upgraded.
It
does mean that
those values
will changed
each time you
upgrade your
motherboad
BIOS but
having thos
values changed
after a BIOS
upgrade could
occur for a
specific
upgrade.
Don't
ask me why...I
do not know.
So
you will be
well advised
to heck those
values for
each BIOS
upgrade.
Moreover
don't waste
your time to
test VGA
PassThrough
for NVIDIA for
Windows 7.
For Windows 7
use ATI.
I
did my tests
for playing
with wine
1.4/1.5 on
domU Ubuntu
Lucid 10.04.4
PV HVM (game
like Crysis 2)
and it rocks
:)
My
configuration:
Manufacturer:
MSI / Product
Name:
H61MU-E35
(MS-7680)
Bios
version:
V10.11
Dear
David Techer,
Thank you.
I think the
following
command is
sufficient.
dmesg | grep
01:00.0 | grep
"pci.*mem"
Yours
sincerely,
Teo En Ming
(Zhang Enming)
On 20/03/2012
17:54, David
TECHER wrote:
Hi
Teo,
The 3
first lines
with pattern
'pci.*mem'
need to be
returned
U
need to use
somethign like
root@gemini:~#
lspci |grep
VGA
02:00.0 VGA
compatible
controller:
nVidia
Corporation
Device 0ca2
(rev a2)
root@gemini:~#
dmesg|grep
02:00.0 |grep
' pci
[0-9].*mem'|head
-n3
[ 0.174458]
pci
0000:02:00.0:
reg 10: [mem
0xfb000000-0xfbffffff]
[ 0.174466]
pci
0000:02:00.0:
reg 14: [mem
0xd0000000-0xdfffffff
64bit pref]
[ 0.174475]
pci
0000:02:00.0:
reg 1c: [mem
0xee000000-0xefffffff
64bit pref]
Kind
regards
Dear David
Techer,
I have read
through your
article on Xen
VGA
passthrough on
http://www.davidgis.fr.
It appears
that the
following
command on
your blog
doesn't work.
dmesg | grep
01:00.0 | grep
BAR
The above
command shows
nothing at
all. Is there
an alternative
solution?
Thank you very
much.
Yours
sincerely,
Teo En Ming
(Zhang Enming)
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