Re: [Xen-devel] Result of Applying IGD VGA Passthrough Patches to Xen 4.4-unstable Changeset 27238

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Jul 16, 2013 at 09:31:56PM +0800, Singapore Citizen Mr. Teo En Ming 
(Zhang Enming) wrote:
> >>
> >- Are you using qemu-traditional for sure?
> 
> Yes, please refer to the attached Windows 8 HVM domU configuration file.
>

Ok.

> >- Are there any cmdline options for the Intel driver installer to install 
> >without the device present?
> 
> I have read through the installation instructions. There doesn't
> appear to be any cmdline options for the Intel HD graphics driver
> installer to install without the device present. Anyway, I have
> attached the installation instructions for you to read through.
>

I'm not familiar with the Intel IGD windows driver, so I can't really help you 
here really.


> >- Any errors in the Xen dmesg? How about qemu logs? dom0 dmesg?
> Attached xl-dmesg.txt, qemu-dm-Windows8.log and dmesg.txt.
> 

Did you try with Windows 7 ? 


> 
> ***************************************************************************
> *?? Microsoft Windows* Manual Installation Instructions
> ***************************************************************************

Also did you try these Manual Installation Instructions? 


> 
> 1.? Click "Start" then right click on "Computer" button and select 
> ??? properties.
> 
> 2.? Click on the "Device Manager" selection on the left.
> 
> 3.? IF UPDATING DRIVER GO TO STEP 5
> 
> 4.? Double click "Video Controller (VGA Compatible)" if present under 
> ??? "Other Devices". (Go To STEP 6)
> 
> 5.? Select "Display adapters" then double click on the graphics controller 
> ??? shown.? 
> 
> 6.? Click on "driver" tab and select "Update Driver".
> 
> 7.? Select the following option: "Browse my computer for driver software"
> 
> 8.? Select the "Browse" button directly.
> 
> 9.? Enter the directory where you unzipped the file you downloaded, and 
> ? ? then enter the "Graphics" subdirectory.
> 
> 10. Click on the "OK" button and then click "Next" button. The operating 
> ??? system will install the driver if it considers this an upgrade.
> ??? 
> 11. Click on the "Close" buttons and then click on the "Yes" button to 
> ??? reboot. The driver should now be loaded.
> 


>  __  __            _  _   _  _                      _        _     _      
>  \ \/ /___ _ __   | || | | || |     _   _ _ __  ___| |_ __ _| |__ | | ___ 
>   \  // _ \ '_ \  | || |_| || |_ __| | | | '_ \/ __| __/ _` | '_ \| |/ _ \
>   /  \  __/ | | | |__   _|__   _|__| |_| | | | \__ \ || (_| | |_) | |  __/
>  /_/\_\___|_| |_|    |_|(_) |_|     \__,_|_| |_|___/\__\__,_|_.__/|_|\___|
>                                                                           
> (XEN) Xen version 4.4-unstable (root@) (gcc (Ubuntu/Linaro 4.7.3-1ubuntu1) 
> 4.7.3) debug=y Tue Jul 16 01:53:58 SGT 2013
> (XEN) Latest ChangeSet: Fri Jul 12 17:34:03 2013 +0100 hg:6542a6b34d7b
> (XEN) Bootloader: GRUB 2.00-13ubuntu3
> (XEN) Command line: placeholder


It seems you're not using any dom0_mem= option. 
Try configuring dom0_mem=1G or so.




> [    0.000000] Initializing cgroup subsys cpuset
> [    0.000000] Initializing cgroup subsys cpu
> [    0.000000] Initializing cgroup subsys cpuacct
> [    0.000000] Linux version 3.11.0-rc1-xen-teo.en.ming-sgp 
> (root@intel-core-i5-4430-desktop) (gcc version 4.7.3 (Ubuntu/Linaro 
> 4.7.3-1ubuntu1) ) #1 SMP Mon Jul 15 22:07:31 SGT 2013
> [    0.000000] Command line: placeholder root=/dev/mapper/ubuntu--vg-root ro 
> quiet splash
>

Also it seems you're not hiding the Intel IGD PCI devices.. 

Did you make sure the Intel IGD driver does not load in dom0 ? 



> [   17.006479] [drm] Initialized drm 1.1.0 20060810
> [   17.296525] xen: registering gsi 16 triggering 0 polarity 1
> [   17.296587] Already setup the GSI :16
> [   17.300823] [drm] Memory usable by graphics device = 2048M
> [   17.300851] i915 0000:00:02.0: setting latency timer to 64
> [   17.356948] Failed to add WC MTRR for [00000000d0000000-00000000dfffffff]; 
> performance may suffer.
> [   17.356948] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
> [   17.356948] [drm] Driver supports precise vblank timestamp query.
> [   17.357028] vgaarb: device changed decodes: 
> PCI:0000:00:02.0,olddecodes=io+mem,decodes=none:owns=io+mem
> [   17.357029] vgaarb: transferring owner from PCI:0000:00:02.0 to 
> PCI:0000:01:00.0
> [   17.604500] wmi: Mapper loaded
> [   17.900024] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro
> [   18.014476] fbcon: inteldrmfb (fb0) is primary device
> [   18.319577] Console: switching to colour frame buffer device 240x67
> [   18.450789] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
> [   18.450791] i915 0000:00:02.0: registered panic notifier

So the Intel IGD driver is loaded here in dom0 kernel.. 


> [   18.464671] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on 
> minor 0
> [   18.764468] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off



-- Pasi


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