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Bug 1369633

Summary: Virtio-gpu should be supported as secondary gpu in libvirt
Product: Red Hat Enterprise Linux 7 Reporter: Guo, Zhiyi <zhguo>
Component: libvirtAssignee: Pavel Hrdina <phrdina>
Status: CLOSED ERRATA QA Contact: zhe peng <zpeng>
Severity: high Docs Contact:
Priority: unspecified    
Version: 7.3CC: chayang, dyuan, fjin, jdenemar, juzhang, michen, rbalakri, xfu, xuzhang, zhguo, zpeng
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard:
Fixed In Version: libvirt-2.5.0-1.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2017-08-01 17:11:42 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Guo, Zhiyi 2016-08-24 03:19:29 UTC
Description of problem:
Virtio-gpu should be supported as secondary gpu in libvirt

Version-Release number of selected component (if applicable):
libvirt: libvirt-2.0.0-5.el7.x86_64
qemu-kvm-rhev:qemu-kvm-rhev-2.6.0-21.el7.x86_64

How reproducible:
100%

Steps to Reproduce:
1.guest xml:
# cat virtiovga.xml 
<domain type="kvm">
  <name>rhel7.2</name>
  <uuid>70433aaf-752b-43e7-8c09-38d856bb24be</uuid>
  <memory>1048576</memory>
  <currentMemory>1048576</currentMemory>
  <vcpu>1</vcpu>
  <os>
    <type arch="x86_64">hvm</type>
  </os>
  <features>
    <acpi/>
    <apic/>
    <vmport state="off"/>
  </features>
  <cpu mode="custom" match="exact">
    <model>Haswell-noTSX</model>
  </cpu>
  <clock offset="utc">
    <timer name="rtc" tickpolicy="catchup"/>
    <timer name="pit" tickpolicy="delay"/>
    <timer name="hpet" present="no"/>
  </clock>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>restart</on_crash>
  <pm>
    <suspend-to-mem enabled="no"/>
    <suspend-to-disk enabled="no"/>
  </pm>
  <devices>
    <emulator>/usr/libexec/qemu-kvm</emulator>
    <disk type="file" device="disk">
      <driver name="qemu" type="qcow2"/>
      <source file="/home/rhel73.qcow2"/>
      <target dev="vda" bus="virtio"/>
    </disk>
    <controller type="usb" index="0" model="ich9-ehci1"/>
    <controller type="usb" index="0" model="ich9-uhci1">
      <master startport="0"/>
    </controller>
    <controller type="usb" index="0" model="ich9-uhci2">
      <master startport="2"/>
    </controller>
    <controller type="usb" index="0" model="ich9-uhci3">
      <master startport="4"/>
    </controller>
    <interface type="bridge">
      <source bridge="br0"/>
      <mac address="52:54:00:ae:39:82"/>
      <model type="virtio"/>
    </interface>
    <input type="tablet" bus="usb"/>
	<graphics type='spice' port='-1' autoport='yes'>
    		<channel name='main' mode='insecure'/>
    		<channel name='record' mode='insecure'/>
    		<image compression='auto_glz'/>
    		<streaming mode='filter'/>
    		<clipboard copypaste='no'/>
    		<mouse mode='client'/>
    		<filetransfer enable='no'/>
  	</graphics>
    <console type="pty"/>
    <channel type="unix">
      <source mode="bind"/>
      <target type="virtio" name="org.qemu.guest_agent.0"/>
    </channel>
    <channel type="spicevmc">
      <target type="virtio" name="com.redhat.spice.0"/>
    </channel>
    <sound model="ich6"/>
    <video>
      <model type="virtio" primary="yes"/>
    </video>
    <video>
      <model type="virtio" primary="no"/>
    </video>
    <redirdev bus="usb" type="spicevmc"/>
    <redirdev bus="usb" type="spicevmc"/>
  </devices>
</domain>

2.
# virsh create virtiovga.xml 
error: Failed to create domain from virtiovga.xml
error: unsupported configuration: non-primary video device must be type of 'qxl'
3.

Actual results:
non-primary video device only support qxl

Expected results:
non-primary video device also support virtio-gpu

Additional info:

Comment 2 Pavel Hrdina 2016-10-12 15:49:58 UTC
Upstream commit:

commit fb8f3b1c22c8f272bb9a47e8f8915acc3cfb47f1
Author: Pavel Hrdina <phrdina>
Date:   Mon Oct 10 20:19:06 2016 +0200

    qemu_command: add support to use virtio as secondary video device

v2.3.0-106-gfb8f3b1

Comment 4 zhe peng 2017-03-10 07:48:55 UTC
verified with build:
libvirt-3.1.0-2.el7.x86_64

step:
1. use description xml to create a guest

2.# virsh create virtio.xml 
Domain rhel7.3 created from virtio.xml

check guest xml:
....
 <video>
      <model type='virtio' heads='1' primary='yes'/>
      <alias name='video0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
    </video>
    <video>
      <model type='virtio' heads='1'/>
      <alias name='video1'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>
    </video>
....

check qemu cmd line:
...
-device virtio-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-gpu-pci,id=video1,bus=pci.0,addr=0x9
...

move to verified.

Comment 5 errata-xmlrpc 2017-08-01 17:11:42 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2017:1846

Comment 6 errata-xmlrpc 2017-08-01 23:53:19 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2017:1846