Re: [Xen-devel] VGA passthrough with Drivers does not work

["æåè(Tang-Hsun Tu)" <iwantplay@xxxxxxxxx>]

Hi,

     Here are my logs.

Best Regards,
Tang-Hsun Tu

æ 2010/7/22 äå 08:58, Pasi KÃrkkÃinen æå:
> On Thu, Jul 22, 2010 at 06:10:10PM +0800, "?????????(Tang-Hsun Tu)" wrote:
>    
> > Hi,
> >
> >            In recent days, I try to passthrough VGA to a HVM windows XP
> > domain on my notebook.
> > There are two VGAs on the notebook, one is intel IGD (primary) and the
> > other is nvidia (secondary).
> >
> > At first, the screen will be blank/black when I start a HVM with a
> > passed VGA (primary one).
> > After I connect a external monitor and disable GDM,
> > the screen (external monitor) will start to display the WinXP logo
> > (it seems that the passthrouh is successful),
> > and it is only 16-bit color in display when enters into WinXP
> > (it means it does not have any VGA driver).
> > The original screen (on notebook) still is black.
> >
> > However,
> > when I reboot the machine after installing the VGA driver,
> > the screen has become black.
> > I also try to install driver without passthrough before,
> > then change the setting to the passthrought,
> > but it still goes to black screen.
> > How can I solve this problem?
> >
> >      
> Are there any relevant errors in /var/log/xen/* ?
> how about "xm dmesg" or "xm log" ?
>
> -- Pasi
>
>    
> > By the way, I aslo have some questions.
> > 1. Why a external monitor can display but the original (notebook screen)
> > does not?
> > 2. In WinXP, I can see the bochs BIOS message when I start the HVM.
> >      However, in Windows7, I only see a disordered screen until enters
> > into Winows7.
> > 3. If the dom0 use printk (dmesg), the screen will not be align.
> >      It just like print a message then the screen moves up.
> >
> > Thanks!
> >
> > Best Regards,
> > Tang-Hsun Tu
> >
> > Enivronment:
> > Host OS: Ubuntu 10.04 LTS
> > Dom0: 2.6.31.13
> > Xen: xen-4.0-testing.hg, xen-4.0.1-rc4
> > HVM: windows XP and windows 7
> > CPU: Intel(R) Core(TM) i5 CPU M 540
> > VGA: Intel Corporation Core Processor Integrated Graphics Controller
> >            nVidia Corporation Device 0a29
> >
> >
> > lspci:
> > 00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller
> > (rev 02)
> > 00:01.0 PCI bridge: Intel Corporation Core Processor PCI Express x16
> > Root Port (rev 02)
> > 00:02.0 VGA compatible controller: Intel Corporation Core Processor
> > Integrated Graphics Controller (rev 02)
> > 00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series
> > Chipset HECI Controller (rev 06)
> > 00:1a.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset
> > USB2 Enhanced Host Controller (rev 05)
> > 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset
> > High Definition Audio (rev 05)
> > 00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI
> > Express Root Port 1 (rev 05)
> > 00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI
> > Express Root Port 2 (rev 05)
> > 00:1d.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset
> > USB2 Enhanced Host Controller (rev 05)
> > 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a5)
> > 00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC
> > Interface Controller (rev 05)
> > 00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset
> > 4 port SATA AHCI Controller (rev 05)
> > 00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus
> > Controller (rev 05)
> > 00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400
> > Series Chipset Thermal Subsystem (rev 05)
> > 01:00.0 VGA compatible controller: nVidia Corporation Device 0a29 (rev a2)
> > 02:00.0 Ethernet controller: Atheros Communications AR8131 Gigabit
> > Ethernet (rev c0)
> > 03:00.0 Network controller: Broadcom Corporation Device 4357 (rev 01)
> > ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath
> > Architecture Generic Non-core Registers (rev 02)
> > ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath
> > Architecture System Address Decoder (rev 02)
> > ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)
> > ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0
> > (rev 02)
> > ff:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
> > ff:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
> >      
>

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