Re: PCI/GPU Passthrough with xen

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Hi

the machine starts now but the config between libvirt (xml) and xen
seems to be different, because with xen cfg it starts as it should and
with libvirt conf it hangs at the boot process of win10...

does someone see a difference what is responsible for the problem?

Thats the xen config (working):

name = "marax.chao5.int"
uuid = "e0de3cb7-3937-417d-8d63-b0993b377b6a"
maxmem = 32768
memory = 32768
kernel = '/usr/lib64/xen/boot/hvmloader'
vcpus = 16
rtc_timeoffset = 0
localtime = 1
on_poweroff = "destroy"
on_reboot = "restart"
on_crash = "restart"
vif = [
"mac=00:16:3e:05:01:10,bridge=xenbr5,script=vif-bridge,model=e1000" ]
parallel = "none"
serial = "none"
type = "hvm"
loader = "/usr/lib64/xen/boot/hvmloader"
disk = [ "phy:/dev/mapper/marax_c,hda,rw",
"phy:/dev/vg_lilith/lv_marax_d,hdb,rw" ]
max_grant_frames = "128"
pci = [ "01:00.0", "01:00.1", "01:00.2", "01:00.3" ]
pci_permissive  = 1
keymap = "de"
vnclisten="0.0.0.0"
pci_power_mgmt=1
xen_platform_pci=1
pci_msitranslate=1
viridian=1
hpet=1
acpi=1
apic=1
pae=1

thats the libvirt config (starting but win10 'hangs'):

<domain type='xen'>
  <name>marax.chao5.int</name>
  <uuid>e0de3cb7-3937-417d-8d63-b0993b377b6a</uuid>
  <memory unit='KiB'>33554432</memory>
  <currentMemory unit='KiB'>33554432</currentMemory>
  <vcpu placement='static'>16</vcpu>
  <os>
    <type arch='x86_64' machine='xenfv'>hvm</type>
    <loader type='rom'>/usr/lib64/xen/boot/hvmloader</loader>
    <boot dev='hd'/>
  </os>
  <features>
    <acpi/>
    <apic/>
    <pae/>
    <viridian/>
  </features>
  <clock offset='variable' adjustment='0' basis='localtime'>
    <timer name='hpet' present='yes'/>
  </clock>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>restart</on_crash>
  <devices>
    <disk type='block' device='disk'>
      <driver name='phy' type='raw'/>
      <source dev='/dev/mapper/marax_c'/>
      <target dev='hda' bus='ide'/>
      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
    </disk>
    <disk type='block' device='disk'>
      <driver name='phy' type='raw'/>
      <source dev='/dev/vg_lilith/lv_marax_d'/>
      <target dev='hdb' bus='ide'/>
      <address type='drive' controller='0' bus='0' target='0' unit='1'/>
    </disk>
    <controller type='xenbus' index='0'/>
    <controller type='ide' index='0'/>
    <interface type='bridge'>
      <mac address='00:16:3e:05:01:10'/>
      <source bridge='xenbr5'/>
      <script path='vif-bridge'/>
      <model type='e1000'/>
    </interface>
    <input type='mouse' bus='ps2'/>
    <input type='keyboard' bus='ps2'/>
    <graphics type='vnc' port='6000' autoport='no' listen='0.0.0.0'
keymap='de'>
      <listen type='address' address='0.0.0.0'/>
    </graphics>
    <hostdev mode='subsystem' type='pci' managed='yes'>
      <driver name='xen'/>
      <source>
        <address domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>
      </source>
    </hostdev>
    <hostdev mode='subsystem' type='pci' managed='yes'>
      <driver name='xen'/>
      <source>
        <address domain='0x0000' bus='0x01' slot='0x00' function='0x1'/>
      </source>
    </hostdev>
    <hostdev mode='subsystem' type='pci' managed='yes'>
      <driver name='xen'/>
      <source>
        <address domain='0x0000' bus='0x01' slot='0x00' function='0x2'/>
      </source>
    </hostdev>
    <hostdev mode='subsystem' type='pci' managed='yes'>
      <driver name='xen'/>
      <source>
        <address domain='0x0000' bus='0x01' slot='0x00' function='0x3'/>
      </source>
    </hostdev>
    <memballoon model='xen'/>
  </devices>
</domain>

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Greetz






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