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Re: [Xen-users] Re : Re : Re : Xen VGA Passthrough Questions
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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