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Bug 2035163 - Starting guest with spice audio backend should fail when SPICE graphics is disabled in QEMU
Summary: Starting guest with spice audio backend should fail when SPICE graphics is di...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: libvirt
Version: 9.0
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Martin Kletzander
QA Contact: zhentang
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-12-23 06:27 UTC by Lili Zhu
Modified: 2022-11-15 10:36 UTC (History)
10 users (show)

Fixed In Version: libvirt-8.4.0-1.el9
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
: 2043498 (view as bug list)
Environment:
Last Closed: 2022-11-15 10:03:03 UTC
Type: Bug
Target Upstream Version: 8.4.0
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-106478 0 None None None 2021-12-23 06:43:10 UTC
Red Hat Product Errata RHSA-2022:8003 0 None None None 2022-11-15 10:03:22 UTC

Description Lili Zhu 2021-12-23 06:27:39 UTC 
Description of problem:
Starting guest with spice audio backend should fail when SPICE graphics is disabled in QEMU

Version-Release number of selected component (if applicable):
libvirt-7.10.0-1.el9.x86_64
qemu-kvm-6.2.0-1.el9.x86_64

How reproducible:
100%

Steps to Reproduce:
1. check whether qemu support spice
# /usr/libexec/qemu-kvm -spice ?
qemu-kvm: -spice ?: spice support is disabled

2. define a guest with the following xml snippet
    <graphics type='vnc' port='-1' autoport='yes'>
      <listen type='address'/>
    </graphics>
    <audio id='1' type='spice'/>

3. start the guest
# virsh start avocado-vt-vm1
Domain 'avocado-vt-vm1' started

4. check the qemu cmd line
# ps aux |grep spice
...
-audiodev {"id":"audio1","driver":"spice"} -vnc 127.0.0.1:4,audiodev=audio1 -device
...


Expected results:
When define or start guest with spice audio, it should report the error like "spice support is disabled with this QEMU"


Additional info:
Comment 1 Martin Kletzander 2022-05-12 08:03:51 UTC 
Patchset proposed:

https://listman.redhat.com/archives/libvir-list/2022-May/231228.html
Comment 2 Martin Kletzander 2022-05-13 07:49:11 UTC 
Fixed upstream with commit v8.3.0-64-g36e86dbf3360:

commit 36e86dbf3360df27c080f5bb460ac86172c253a0 (nertpinx/master, nertpinx/audio)
Author: Martin Kletzander <mkletzan>
Date:   Wed May 11 15:46:57 2022 +0200

    qemu: Disable spice-related devices without spice graphics
Comment 5 zhentang 2022-06-21 07:27:40 UTC 
verified on 
libvirt-8.4.0-2.el9
qemu-kvm-6.2.0-11.el9_0


1. define a vm with spice audio back-end 
xml
...
 <graphics type='vnc' port='-1' autoport='yes'>
      <listen type='address'/>
    </graphics>
    <sound model='ich6'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
    </sound>
    <audio id='1' type='spice'/>
    <video>

...

# virsh define /tmp/vm1
error: Failed to define domain from /tmp/vm1
error: unsupported configuration: Spice audio is not supported without spice graphics

2. edit a guest adding a spice audio backend
# virsh edit vm1
error: unsupported configuration: Spice audio is not supported without spice graphics
Comment 7 errata-xmlrpc 2022-11-15 10:03:03 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 (Low: libvirt security, bug fix, and enhancement update), 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/RHSA-2022:8003
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