Re: [Xen-users] Does anyone create HVM with libvirt successfully with xl of Xen 4.3+

["kevin.zhang@xxxxxxxxxxx" <kevin.zhang@xxxxxxxxxxx>]

ï

Hi Chris,

     Today, I recompiled Xen 4.4 with libvirt 1.2.2 and I made it work for HVM domU now.

     Thank you very much!

     However, I found another problem, spice related libvirt confg  does not take effect.

     Have you ever tried SPICE related configuraton?

 

---

Best Regards

From: Chris

Date: 2014-04-04 06:20

To: kevin.zhang; @octlink.com

CC: xen-users

Subject: Re: [Xen-users] Does anyone create HVM with libvirt successfully with xl of Xen 4.3+

On Mon, 31 Mar 2014 11:24:38 +0800

"kevin.zhang@xxxxxxxxxxx" <kevin.zhang@xxxxxxxxxxx> wrote:

 

> Hi, Everyone,

>

>        I sent a email about questions on libvirt configuration guide for Xen 4.4, but received no further information.

>        Could anyone give me any libvirt examples to make libvirt create HVM vm based on xen 4.4-xl?

>        Thank you very much!

>

>

 

 

Hi,

 

This example works with Xen 4.4.0, Libvirt 1.2.2 and Openvswitch 2.0.0 :

 

<domain type='xen'>

  <name>example</name>

  <memory unit='KiB'>524288</memory>

  <currentMemory unit='KiB'>524288</currentMemory>

  <vcpu placement='static'>1</vcpu>

  <os>

    <type arch='x86_64' machine='xenfv'>hvm</type>

    <loader>/usr/lib/xen/boot/hvmloader</loader>

    <boot dev='network'/>

    <boot dev='hd'/>

  </os>

  <features>

    <acpi/>

    <apic/>

    <pae/>

    <hap/>

  </features>

  <clock offset='variable' adjustment='0' basis='utc'>

    <timer name='hpet' present='no'/>

  </clock>

  <on_poweroff>destroy</on_poweroff>

  <on_reboot>restart</on_reboot>

  <on_crash>restart</on_crash>

  <devices>

    <emulator>/usr/lib/xen/bin/qemu-system-i386</emulator>

    <disk type='block' device='disk'>

      <driver name='phy'/>

      <source dev='/dev/vg/example-disk'/>

      <target dev='xvda' bus='xen'/>

    </disk>

    <interface type='bridge'>

      <mac address='00:16:3e:xx:xx:xx'/>

      <source bridge='xenbr0'/>

      <script path='/etc/xen/scripts/vif-openvswitch'/>

    </interface>

    <serial type='pty'>

      <target port='0'/>

    </serial>

    <console type='pty'>

      <target type='serial' port='0'/>

    </console>

    <input type='mouse' bus='ps2'/>

    <input type='keyboard' bus='ps2'/>

    <graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0' keymap='fr'>

      <listen type='address' address='0.0.0.0'/>

    </graphics>

    <video>

      <model type='cirrus' vram='9216' heads='1'/>

    </video>

  </devices>

</domain>

 

Be advised that "listen='0.0.0.0'" in the VNC config doesn't work with a HVM domU and libxl driver in libvirt < 1.2.3. The QEMU process listens on 127.0.0.1 instead of 0.0.0.0.

There's a patch in libvirt 1.2.3 (http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=b55cc5f4e31b488c4f9c3c8470c992c1f8f5d09c) but I encountered libvirtd segfaults with it ... Backporting this specific patch in libvirt 1.2.2 causes the same segfaults :/

I may have done something wrong in compiling libvirt on a slackware64-14.1 ...

 

Best regards,

 

Chris

 

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