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[Xen-devel] Re: Xen-devel Digest, Vol 54, Issue 203
Good day,
At the moment I know the middle price for selica gel so I need to make
custom payments calculation and get the final price, after that I will
be ready to chose the manufacturer partner.
Thank you.
On 26.08.2009, at 0:01, xen-devel-request@xxxxxxxxxxxxxxxxxxx wrote:
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Today's Topics:
1. RE: nVidia Geforce 8400 GS PCI Express x16 VGA PassThroughto
Windows XP Home 32-bit HVM Virtual Machine with Intel Desktop
BoardDQ45CB (djmagee@xxxxxxxxxxxx)
----------------------------------------------------------------------
Message: 1
Date: Tue, 25 Aug 2009 15:57:24 -0400
From: <djmagee@xxxxxxxxxxxx>
Subject: RE: [Xen-devel] nVidia Geforce 8400 GS PCI Express x16 VGA
PassThroughto Windows XP Home 32-bit HVM Virtual Machine with Intel
Desktop BoardDQ45CB
To: "Andrew Lyon" <andrew.lyon@xxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Message-ID:
<EECC125FCE18E740AF561189E126028575B4@xxxxxxxxxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"
Here are the patches I used.
The file ending with a timestamp is the set of patches that was
posted on xen-devel a couple of months ago by someone with a similar
H/W set up and goals. I applied this to my xen-3.4-testing tree as
is.
As I mentioned I'm using a xenified 2.6.29.6. Of course, I had no
idea what parts of the kernel code in that patch I needed to apply
to this much newer kernel, so I just tried as is. It failed
patching include/linux/pci_regs.h. I saw that most of the stuff in
the vgapt patch was already in the 2.6.29 kernel, but some of the
PCI_AF_* defines had different values. Vga-pt-patch-2.6.29.6-
pci_regs.patch is my patch to that file, and vga-pt-patch-kernel-
only contains the kernel patches from the original file but after a
global replace to make sure they used the slightly different
PCI_AF_* names. I simply made sure that the values would end up the
same as they would have been in the 2.6.18-xen kernel. I wouldn't
know if this was the right approach.
I did not apply the FLR patch that is in xen-unstable, and I was
under the impression the same capability is in the patch I've
attached. For what it's worth, when I start a guest with the video
card assigned and vga_passthrough=1, I can hear the fan on the video
card spin up for a few seconds just as it does when the real machine
(re)boots.
If I (or my test environment) can be of any assistance please let me
know. I saw that intel plans on releasing vga passthrough patches
soon so I'll be looking out for those.
Doug Magee
-----Original Message-----
From: Andrew Lyon [mailto:andrew.lyon@xxxxxxxxx]
Sent: Tuesday, August 25, 2009 1:56 PM
To: djmagee@xxxxxxxxxxxx
Subject: Re: [Xen-devel] nVidia Geforce 8400 GS PCI Express x16 VGA
PassThroughto Windows XP Home 32-bit HVM Virtual Machine with Intel
Desktop BoardDQ45CB
On Tue, Aug 25, 2009 at 6:25 PM, <djmagee@xxxxxxxxxxxx> wrote:
As I've pointed out on this list before, there are not enough PCIe
lanes on the DQ45CB to drive both the internal graphics adapter and
the add-on adapter at the same time. I believe the onboard one may
be able to operate in some sort of VGA only mode when there is a
card installed and used as the primary adapter.
I have a similar setup, using the same motherboard, and an ATI
4770. I used the VGA passthrough patches from an earlier posting
(I saw you followed the same set of instructions), with limited
success. I've been using 3.4-testing, and 'xenified' 2.6.29.6
kernel. I made modifications to the dom0 portion of the patches so
they would apply to my xenified 2.6.29 kernel. These patches
include code that will copy the VGA bios to the guest bios instead
of using the emulated vga bios. I've had very little success,
however. I have only tried passing through the ATI adapter. In
all instances, the guest bios messages appear on my monitor, so
this much works. In some cases, the guest essentially stops there;
xm list show's about 2sec CPU usage and nothing ever happens after
that point. In other cases, the guest (win xp/vista/7, as well as
KNOPPIX 5.3.1 DVD) will boot all the way, but in very low res/color
mode, and cannot properly initialize the video device. Once or
twice, it actually did recognize the device and had a reasonable
default color/resolution combination. In all cases where the guest
actually boots, the system eventually freezes. In some cases, I
get endless streams of iommu page faults.
Can you post the patches you used? specifically the parts for copying
the vga bios.
did you also use the patch for flr? I've ported it to 2.6.29 but not
had time to try vga passthru yet.
I have 8GB ram installed. In all cases I've limited dom0 memory to
2GB. In all cases, my guest has been assigned 2GB of memory.
I have a dual core e6600. I've tried allowing dom0 to use both
cores, offlining one core (using xend dom0_vcpu setting) after
boot, and restricting dom0 to only one core using the
dom0_max_vcpus xen hypervisor parameter. In all of these cases
I've tried both one and two vcpus for the guest. My success with
VGA passthrough seems somewhat random and no combination of cpu
assignment seems to have any effect.
I have not tried with the 2.6.18-xen kernel as I haven't gotten it
to boot on my hardware; it can never find my volume group, even if
I create a initrd with all of the required modules, or build those
drivers into the kernel. I have not spent more than maybe a half
an hour on this problem; I suspect it may have something to do with
the version of mkinitrd I'm using (from Fedora 9 x64).
If anyone else has any insight or similar experience I'd also love
to hear it.
Doug Magee
djmagee@xxxxxxxxxxxx
-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Mr. Teo En Ming (Zhang
Enming)
Sent: Tuesday, August 25, 2009 11:57 AM
To: enming.teo@xxxxxxxxxxxxxxx
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] nVidia Geforce 8400 GS PCI Express x16 VGA
PassThroughto Windows XP Home 32-bit HVM Virtual Machine with Intel
Desktop BoardDQ45CB
I have uninstalled Xen 3.4.1 and installed Xen 3.5-unstable as
suggested
by Weidong.
--
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering) BEng
(Hons)(Mechanical Engineering)
Technical Support Engineer
Information Technology Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
Republic of Singapore
Mobile: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx
Alma Maters: Singapore Polytechnic, National University of Singapore
On 08/25/2009 11:47 PM, Mr. Teo En Ming (Zhang Enming) wrote:
Dear All,
I have managed to do PCI-e VGA passthrough with the open source Xen
but the work is still in progress because although Windows XP guest
can see the REAL PCI-e x16 graphics card instead of an emulated
graphics driver, it cannot be initialized yet.
Thanks to Intel Engineer Han Weidong, Pasi Kärkkäinen, Boris
Derzhavets, Marc, Caz Yokoyama, and others who have helped me and
shared their knowledge with me along the way.
System Configuration:
Intel Desktop Board DQ45CB with BIOS upgraded to 0093
Onboard Intel GMA 4500 Graphics (IGD)
nVidia Geforce 8400 GS PCI Express x16 Graphics Card
Fedora 11 Linux 64-bit Xen paravirt operations Domain 0 Host
Operating
System
Xen 3.5 Unstable/Development Type 1 Hypervisor
Jeremy Fitzhardinge's Xen paravirt-ops domain 0 Kernel 2.6.31-rc6
Primary Video Adapter in BIOS: IGD
Please see the screenshots and my blog at the link here:
http://teo-en-ming-aka-zhang-enming.blogspot.com/2009/08/nvidia-geforce-8400-gs-pci-express-x16.html
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