Re: [Xen-devel] Re: Graphics passthrough related issue

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Mon, Sep 19, 2011 at 03:18:13AM -0400, Dushmanta Mohapatra wrote:
> I sent the following email a few days back, but did not get any response.
> 
> I am still facing the issue. Could some one please tell me about what might
> be going wrong?

So you are trying to pass in an USB device to the guest. Does it not work?
What does your guest config look like? Are you using 'xl' or 'xm'?

> 
> Any pointers about how could I debug this issue?
> 
> Thanks,
> Dushmanta
> 
> On Tue, Sep 13, 2011 at 12:09 AM, Dushmanta Mohapatra <
> dushmanta.mohapatra@xxxxxxxxx> wrote:
> 
> > Hi,
> >
> > I am facing an issue with enabling my graphics passthrough properly in Xen.
> >
> > I am using  Xen 4.1.1 and 2.6.32.41 based PVOPS kernel as my Dom0.
> > Machine: core i5 vPro based Thinkpad T 520 laptop.
> > I use Windows 7 and XP as my HVM DomUs.
> >
> > I have an Intel Integrated Graphics Controller.
> > I can pass through the graphics device (using boot time passthrough) and
> > the HVM DomUs boot fine and show me the log in screen.
> >
> > But somehow I  lose my control over input devices (mouse/keyboard). My
> > laptop has a PS/2 keypad and I do not know how to pass that through. So
> > instead, I plugin an external keyboard and mouse to the USB slots that are
> > available and pass them through to DomU.
> >
> > But those are not accessible when I boot my DomU in the graphics pass
> > through mode. (If I boot without graphics pass-through mode,
> > then I can pass external keyboard and mouse to the DomUs and they work
> > fine.)

> >
> > I have not applied any patch to the Xen 4.1.1 that I built from source
> > obtained from xen.org and I am not doing any manual device/memory region
> > mapping. I am not sure if I need any patch for the integrated graphics
> > driver that I use.
> >
> > Could any one provide me some input about what might be going wrong for me
> > and how I could solve the issue. I am including the lspci output for
> > reference. If some more information is needed from my side, please let me
> > know.
> >
> > Thanks
> >
> >
> >
> > For enabling graphics passthrough, I hide and passthrough the devices
> > highlighted.
> >
> > root@dm-ThinkPad-T520:~# lspci
> > 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family
> > DRAM Controller (rev 09)
> > 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
> > Processor Family Integrated Graphics Controller (rev 09)
> > 00:16.0 Communication controller: Intel Corporation 6 Series Chipset Family
> > MEI Controller #1 (rev 04)
> > 00:16.3 Serial controller: Intel Corporation 6 Series Chipset Family KT
> > Controller (rev 04)
> > 00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network
> > Connection (rev 04)
> > 00:1a.0 USB Controller: Intel Corporation 6 Series Chipset Family USB
> > Enhanced Host Controller #2 (rev 04)
> > 00:1b.0 Audio device: Intel Corporation 6 Series Chipset Family High
> > Definition Audio Controller (rev 04)
> > 00:1c.0 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express
> > Root Port 1 (rev b4)
> > 00:1c.1 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express
> > Root Port 2 (rev b4)
> > 00:1c.3 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express
> > Root Port 4 (rev b4)
> > 00:1c.4 PCI bridge: Intel Corporation 6 Series Chipset Family PCI Express
> > Root Port 5 (rev b4)
> > 00:1d.0 USB Controller: Intel Corporation 6 Series Chipset Family USB
> > Enhanced Host Controller #1 (rev 04)
> > 00:1f.0 ISA bridge: Intel Corporation 6 Series Chipset Family LPC
> > Controller (rev 04)
> > 00:1f.2 SATA controller: Intel Corporation 6 Series Chipset Family 6 port
> > SATA AHCI Controller (rev 04)
> > 00:1f.3 SMBus: Intel Corporation 6 Series Chipset Family SMBus Controller
> > (rev 04)
> > 03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6205 (rev
> > 34)
> > 0d:00.0 System peripheral: Ricoh Co Ltd Device e823 (rev 05)
> > 0d:00.3 FireWire (IEEE 1394): Ricoh Co Ltd FireWire Host Controller (rev
> > 04)
> >
> >
> >

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