Re: [Xen-users] Intel IGD passthrough in xen 4.4

[Reinis Veips <reinis.veips@xxxxxx>]

Hi Andre,
A couple of questions:

1) Is IGD the only VGA adapter in your hardware setup? Or are you using other 
VGA for dom0?
2) What mainboard do you have? 
3) Which xen/dom0 kernel version do you use? Is dom0 kernel vanilla one (i.e.
   without additional patches)?



Regards, Reinis

On Tue, Apr 15, 2014 at 05:59:50AM -0700, Andre Fucs wrote:
> Reinis,
> 
> The config of a W7 VM with USB and IGPU is:
> 
> name = 'pass'
> device_model_version="qemu-xen-traditional"
> builder = 'hvm'
> maxmem = 2048
> memory = 2048
> vcpus=4
> acpi=1
> apic=1
> vif = [ 'bridge=xenbr0, mac=00:aa:0a:10:0a:ad' ]
> disk = [ 'phy:/dev/tempoVMs/XenLV-pass,hda,w',
> Â'phy:/dev/sr0,hdc:cdrom,r'
> ]
> 
> # Boot from the cdrom device
> boot='dc'
> vnc=1
> vncunused=0
> vnclisten = '0.0.0.0'
> vncdisplay=1
> vncconsole=1
> serial='pty'
> on_poweroff = 'destroy'
> on_reboot = 'restart'
> on_crash = 'destroy'
> sdl = '0'
> viridian=1
> gfx_passthru=1
> pci = ['00:02.0','00:1a.0','00:1d.0']
> On Sunday, April 13, 2014 11:10 PM, Reinis Veips <reinis.veips@xxxxxx> wrote:
>  
> Hi Andre,
> >
> >I just tried a fresh installation of Win7 (I may have started the previous
> >install without qemu-xen-traditional), but I am still unable to get it 
> >working.
> >
> >I did install Intel drivers in domU, but there is still no video output.
> >
> >I also realized that I need to pass through (or at least hide from dom0)
> >CPU's integrated audio controller (otherwise alsa on my dom0 wasn't too 
> >happy).
> >
> >The latest config I am using is- do you notice anything out of the ordinary?
> >
> >> builder='hvm'
> >> memory = '2048'
> >> vcpus=3
> >> name = "vm0"
> >> vif = ['bridge=xenbr0']
> >> disk = ['phy:/dev/mapper/vm0,hda,w']
> >> 
> >> device_model_version = "qemu-xen-traditional"
> >> boot="dc"
> >> sdl=0
> >> serial='pty'
> >> vnc=1
> >> vnclisten=""
> >> vncpasswd=""
> >> 
> >> gfx_passthru=1
> >> 
> >> on_poweroff = "destroy"
> >> on_reboot ="restart"
> >> on_crash="restart"
> >> usbdevice='tablet'
> >> pci_power_mgmt=1
> >> xen_platform_pci=1
> >> pci_msitranslate=1
> >> viridian=1
> >> hpet=1
> >> acpi=1
> >> apic=1
> >> pae=1
> >> 
> >> pci = ['00:02.0', '00:03.0']
> >
> >Thanks for replies!
> >
> >Reinis
> >
> >
> >
> >On Sun, Apr 13, 2014 at 09:45:38PM +0930, Guangning YU wrote:
> >> Keep Reinis in the loop.
> >> 
> >> Andre, do you mean that gfx_passthru=1 should be in front of pci =
> >> ['00:02.0â]Â in cfg?
> >> 
> >> From:Â Andre Fucs <afucs2001@xxxxxxxxx>
> >> Reply-To:Â Andre Fucs <afucs2001@xxxxxxxxx>
> >> Date:Â Sun, 13 Apr 2014 03:23:08 -0700 (PDT)
> >> To:Â Guangning YU <yugn@xxxxxx>
> >> Subject:Â Re: [Xen-users] Intel IGD passthrough in xen 4.4
> >> 
> >> Hi there,
> >> 
> >> Yes. It is possible to pass through the IGD to a Guest. The process is
> >> pain-free and requires just two minor adjustments:
> >> 
> >> - You must configure your HVM guest to use
> >> 'device_model_version="qemu-xen-traditional"'
> >> - Once you installed the Intel driver on your guest (I had success with 
> >> both
> >> Windows 7 Intel binaries and Linux opensource drivers) your should set
> >> 'gfx_passthru=1' before enabling the pci pass through, otherwise you will
> >> get a BSOD when loading Windows.
> >> 
> >> Hope this helps.
> >> 
> >> 
> >>Â 
> >>Â 
> >>Â 
> >>Â  On Sunday, April 13, 2014 1:16 PM, Guangning YU <yugn@xxxxxx> wrote:
> >>Â 
> >>Â 
> >> >Â 
> >> > IÂm new to Linux and Xen. Just wonder if you tried gfx_passthrough in 
> >> > cfg?
> >> > 
> >> > === Text From http://forums.linuxmint.com/viewtopic.php?f=42&t=112013===
> >> > gfx_passthru=0 # Set to 1 may help with some Nvidia cards. Search the
> >> > Internet for AMD cards and recommendations, though AMD cards should work
> >> > with 0. Setting gfx_passthru=1 will pass through the graphics card as
> >> > primary (and only) display adapter, without first booting the virtual
> >> > Cirrus Logic adapter. In most cases this requires a patched Xen
> >> > hypervisor, but in some cases it may work, depending on the graphics
> >> > adapter and perhaps the Windows version in use.
> >> > 
> >> > Regards,
> >> > Jason
> >> > 
> >> > 
> >> > 
> >> > On 13-04-14 3:52, "Reinis Veips" <reinis.veips@xxxxxx> wrote:
> >> > 
> >> >> >Is it possible to passthrough Intel HD 4600 in xen 4.4? I see some 
> >> >> >success
> >> >> >reports using older versions of xen, but I am unable to succeed using 
> >> >> >the
> >> >> >latest version of xen.
> >> >> >
> >> >> >I am able to get to the point where I can install drivers for HD4600 in
> >> >> >domU, and 
> >> >> >the graphics adapter shows up in device manager (working correctly/no
> >> >> >exclamation 
> >> >> >marks), however, no secondary monitor shows up in "screen resolution"
> >> >> >dialog, and 
> >> >> >there is no signal on any of the integrated video outputs.
> >> >> >
> >> >> >Where can I look for extra information? Any logfiles? Should I enable
> >> >> >logging
> >> >> >(how?) to see what's going on?
> >> >> >
> >> >> >
> >> >> >Details of my system:
> >> >> >i7-4771 (integrated HD4600 graphics adapter)
> >> >> >Asrock Z87 Pro4
> >> >> >GeForce 9800GT (being used in dom0, with nouveau drivers)
> >> >> >
> >> >> >dom0 - up to date Arch Linux x64, xen 4.4.0
> >> >> >(https://aur.archlinux.org/packages/xen/)
> >> >> >
> >> >> >domU - Windows 7 Ultimate x64, installed without pci passthrough.
> >> >> >
> >> >> >/etc/xen/grub.conf:
> >> >>> >> XEN_HYPERVISOR_CMDLINE="dom0_mem=8192M dom0_max_vcpus=4 
> >> >>> >> dom0_vcpus_pin
> >> >>> >>iommu=1 xsave=1"
> >> >>> >> XEN_LINUX_CMDLINE="console=tty0 xen-pciback.hide=(00:02.0)"
> >> >> >
> >> >> >00:02.0 is Display controller: Intel Corporation Xeon E3-1200 v3/4th 
> >> >> >Gen
> >> >> >Core 
> >> >> >Â Â Processor Integrated Graphics Controller (rev 06)
> >> >> >
> >> >> >domU configuration:
> >> >> >
> >> >>> >> builder='hvm'
> >> >>> >> memory = '4096'
> >> >>> >> cpus="6-7"
> >> >>> >> name = "vm0"
> >> >>> >> vif = ['bridge=xenbr0']
> >> >>> >> disk = ['phy:/dev/mapper/vm0,hda,w']
> >> >>> >> device_model_version = "qemu-xen-traditional"
> >> >>> >> boot="c"
> >> >>> >> sdl=0
> >> >>> >> serial='pty'
> >> >>> >> vnc=1
> >> >>> >> vnclisten=""
> >> >>> >> vncpasswd=""
> >> >>> >> on_poweroff = "destroy"
> >> >>> >> on_reboot ="restart"
> >> >>> >> on_crash="restart"
> >> >>> >> usbdevice='tablet'
> >> >>> >> pci = ['00:02.0']
> >> >>> >> pci_power_mgmt=1
> >> >>> >> xen_platform_pci=1
> >> >>> >> pci_msitranslate=1
> >> >>> >> viridian=1
> >> >>> >> hpet=1
> >> >>> >> acpi=1
> >> >>> >> apic=1
> >> >>> >> pae=1
> >> >>> >> vga="stdvga"
> >> >> >
> >> >> >
> >> >> >Regards, Reinis
> >> >> >_______________________________________________
> >> >> >Xen-users mailing list
> >> >> >Xen-users@xxxxxxxxxxxxx
> >> >> >http://lists.xen.org/xen-users
> >> > 
> >> > 
> >> > 
> >> > 
> >> > _______________________________________________
> >> > Xen-users mailing list
> >> > Xen-users@xxxxxxxxxxxxx
> >> > http://lists.xen.org/xen-users
> >> > 
> >> > 
> >> >Â 
> >>Â 
> >>Â 
> >>Â Â 
> >>Â 
> >> 
> >> 
> >
> >_______________________________________________
> >Xen-users mailing list
> >Xen-users@xxxxxxxxxxxxx
> >http://lists.xen.org/xen-users
> >
> >

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