libvirt/tests/qemuxml2argvdata/default-video-type-aarch64.aarch64-latest.args
Peter Krempa bd3d00babc qemu: Revert to using non-JSON commandline for -device
When -device is configured via JSON a bug [1] is triggered in qemu were
the DEVICE_DELETED event for the removal of the device frontend is no
longer delivered to libvirt. Without the DEVICE_DELETED event we don't
remove the corresponding entries in the VM XML.

Until qemu will be fixed we must stop using the JSON syntax for -device.

This patch removes the detection of the capability. The capability is
used only during startup of a fresh VM so we don't need to consider any
compaitibility steps for existing VMs.

For users who wish to use 'libvirt-7.9' and 'libvirt-7.10' with
'qemu-6.2' there are two possible workarounds:

 - filter out the 'device.json' qemu capability '/etc/libvirt/qemu.conf':

   capability_filters = [ "device.json" ]

 - filter out the 'device.json' qemu capability via qemu namespace XML:

   <domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
     [...]
     <qemu:capabilities>
       <qemu:del capability='device.json'/>
     </qemu:capabilities>
   </domain>

We must never again use the same capability name as we are now
instructing users to filter it as a workaround so once qemu is fixed
we'll need to pick a new capability value for it.

[1] https://bugzilla.redhat.com/show_bug.cgi?id=2036669

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2035237
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2022-01-10 09:35:00 +01:00

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LC_ALL=C \
PATH=/bin \
HOME=/tmp/lib/domain--1-default-video-type-a \
USER=test \
LOGNAME=test \
XDG_DATA_HOME=/tmp/lib/domain--1-default-video-type-a/.local/share \
XDG_CACHE_HOME=/tmp/lib/domain--1-default-video-type-a/.cache \
XDG_CONFIG_HOME=/tmp/lib/domain--1-default-video-type-a/.config \
/usr/bin/qemu-system-aarch64 \
-name guest=default-video-type-aarch64-test,debug-threads=on \
-S \
-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/tmp/lib/domain--1-default-video-type-a/master-key.aes"}' \
-machine virt,usb=off,dump-guest-core=off,gic-version=3,memory-backend=mach-virt.ram \
-accel kvm \
-m 1024 \
-object '{"qom-type":"memory-backend-ram","id":"mach-virt.ram","size":1073741824}' \
-overcommit mem-lock=off \
-smp 1,sockets=1,cores=1,threads=1 \
-uuid 6ba410c5-1e5c-4d57-bee7-2228e7ffa32f \
-no-user-config \
-nodefaults \
-chardev socket,id=charmonitor,fd=1729,server=on,wait=off \
-mon chardev=charmonitor,id=monitor,mode=control \
-rtc base=utc \
-no-shutdown \
-no-acpi \
-boot strict=on \
-device pcie-root-port,port=8,chassis=1,id=pci.1,bus=pcie.0,multifunction=on,addr=0x1 \
-device pcie-root-port,port=9,chassis=2,id=pci.2,bus=pcie.0,addr=0x1.0x1 \
-audiodev '{"id":"audio1","driver":"none"}' \
-vnc 127.0.0.1:0,audiodev=audio1 \
-device virtio-gpu-pci,id=video0,max_outputs=1,bus=pci.1,addr=0x0 \
-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
-msg timestamp=on