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

  • To: Reinis Veips <reinis.veips@xxxxxx>, "mailing list xen.org" <xen-users@xxxxxxxxxxxxx>
  • From: Guangning YU <yugn@xxxxxx>
  • Date: Sun, 13 Apr 2014 12:44:29 +0930
  • Delivery-date: Sun, 13 Apr 2014 03:15:05 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>
  • Thread-topic: [Xen-users] Intel IGD passthrough in xen 4.4

I¹m 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.


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
>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
>(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
>domU - Windows 7 Ultimate x64, installed without pci passthrough.
>> 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
>    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

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