diff --git a/tests/qemuxmlconfdata/ppc64-g3beige-minimal.ppc64-latest.abi-update.args b/tests/qemuxmlconfdata/ppc64-g3beige-minimal.ppc64-latest.abi-update.args
new file mode 100644
index 0000000000..d32a4b9f2d
--- /dev/null
+++ b/tests/qemuxmlconfdata/ppc64-g3beige-minimal.ppc64-latest.abi-update.args
@@ -0,0 +1,33 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-guest \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-guest/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-guest/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
+/usr/bin/qemu-system-ppc64 \
+-name guest=guest,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-guest/master-key.aes"}' \
+-machine g3beige,usb=off,dump-guest-core=off,memory-backend=ppc_heathrow.ram \
+-accel tcg \
+-cpu g3 \
+-m size=4194304k \
+-object '{"qom-type":"memory-backend-ram","id":"ppc_heathrow.ram","size":4294967296}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \
+-display none \
+-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 \
+-boot strict=on \
+-device '{"driver":"qemu-xhci","id":"usb","bus":"pci.0","addr":"0x1"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x2"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxmlconfdata/ppc64-g3beige-minimal.ppc64-latest.abi-update.xml b/tests/qemuxmlconfdata/ppc64-g3beige-minimal.ppc64-latest.abi-update.xml
new file mode 100644
index 0000000000..1db8608a59
--- /dev/null
+++ b/tests/qemuxmlconfdata/ppc64-g3beige-minimal.ppc64-latest.abi-update.xml
@@ -0,0 +1,29 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>4194304</memory>
+  <currentMemory unit='KiB'>4194304</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='g3beige'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <cpu mode='custom' match='exact' check='none'>
+    <model fallback='forbid'>g3</model>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <controller type='usb' index='0' model='qemu-xhci'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <audio id='1' type='none'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </memballoon>
+  </devices>
+</domain>
diff --git a/tests/qemuxmlconfdata/ppc64-g3beige-minimal.ppc64-latest.args b/tests/qemuxmlconfdata/ppc64-g3beige-minimal.ppc64-latest.args
new file mode 100644
index 0000000000..581374949c
--- /dev/null
+++ b/tests/qemuxmlconfdata/ppc64-g3beige-minimal.ppc64-latest.args
@@ -0,0 +1,33 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-guest \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-guest/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-guest/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-guest/.config \
+/usr/bin/qemu-system-ppc64 \
+-name guest=guest,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-guest/master-key.aes"}' \
+-machine g3beige,usb=off,dump-guest-core=off,memory-backend=ppc_heathrow.ram \
+-accel tcg \
+-cpu g3 \
+-m size=4194304k \
+-object '{"qom-type":"memory-backend-ram","id":"ppc_heathrow.ram","size":4294967296}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 1ccfd97d-5eb4-478a-bbe6-88d254c16db7 \
+-display none \
+-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 \
+-boot strict=on \
+-device '{"driver":"pci-ohci","id":"usb","bus":"pci.0","addr":"0x1"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x2"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxmlconfdata/ppc64-g3beige-minimal.ppc64-latest.xml b/tests/qemuxmlconfdata/ppc64-g3beige-minimal.ppc64-latest.xml
new file mode 100644
index 0000000000..5056a0f0d8
--- /dev/null
+++ b/tests/qemuxmlconfdata/ppc64-g3beige-minimal.ppc64-latest.xml
@@ -0,0 +1,29 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory unit='KiB'>4194304</memory>
+  <currentMemory unit='KiB'>4194304</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='g3beige'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <cpu mode='custom' match='exact' check='none'>
+    <model fallback='forbid'>g3</model>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <controller type='usb' index='0' model='pci-ohci'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <audio id='1' type='none'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </memballoon>
+  </devices>
+</domain>
diff --git a/tests/qemuxmlconfdata/ppc64-g3beige-minimal.xml b/tests/qemuxmlconfdata/ppc64-g3beige-minimal.xml
new file mode 100644
index 0000000000..c2beca3d3d
--- /dev/null
+++ b/tests/qemuxmlconfdata/ppc64-g3beige-minimal.xml
@@ -0,0 +1,12 @@
+<domain type='qemu'>
+  <name>guest</name>
+  <uuid>1ccfd97d-5eb4-478a-bbe6-88d254c16db7</uuid>
+  <memory>4194304</memory>
+  <vcpu>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='g3beige'>hvm</type>
+  </os>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+  </devices>
+</domain>
diff --git a/tests/qemuxmlconfdata/usb-controller-default-fallback-g3beige.ppc64-latest.args b/tests/qemuxmlconfdata/usb-controller-default-fallback-g3beige.ppc64-latest.args
new file mode 100644
index 0000000000..11c3b54f08
--- /dev/null
+++ b/tests/qemuxmlconfdata/usb-controller-default-fallback-g3beige.ppc64-latest.args
@@ -0,0 +1,33 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-ppc64 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine g3beige,usb=off,dump-guest-core=off,memory-backend=ppc_heathrow.ram \
+-accel tcg \
+-cpu g3 \
+-m size=262144k \
+-object '{"qom-type":"memory-backend-ram","id":"ppc_heathrow.ram","size":268435456}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-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 \
+-boot strict=on \
+-device '{"driver":"pci-ohci","id":"usb","bus":"pci.0","addr":"0x1"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x2"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxmlconfdata/usb-controller-default-fallback-g3beige.ppc64-latest.xml b/tests/qemuxmlconfdata/usb-controller-default-fallback-g3beige.ppc64-latest.xml
new file mode 100644
index 0000000000..93672e3d6b
--- /dev/null
+++ b/tests/qemuxmlconfdata/usb-controller-default-fallback-g3beige.ppc64-latest.xml
@@ -0,0 +1,34 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='g3beige'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <pae/>
+  </features>
+  <cpu mode='custom' match='exact' check='none'>
+    <model fallback='forbid'>g3</model>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>restart</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <controller type='usb' index='0' model='pci-ohci'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <audio id='1' type='none'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </memballoon>
+  </devices>
+</domain>
diff --git a/tests/qemuxmlconfdata/usb-controller-default-fallback-g3beige.xml b/tests/qemuxmlconfdata/usb-controller-default-fallback-g3beige.xml
new file mode 120000
index 0000000000..38e57fb1f6
--- /dev/null
+++ b/tests/qemuxmlconfdata/usb-controller-default-fallback-g3beige.xml
@@ -0,0 +1 @@
+usb-controller-default-g3beige.xml
\ No newline at end of file
diff --git a/tests/qemuxmlconfdata/usb-controller-default-g3beige.ppc64-latest.args b/tests/qemuxmlconfdata/usb-controller-default-g3beige.ppc64-latest.args
new file mode 100644
index 0000000000..11c3b54f08
--- /dev/null
+++ b/tests/qemuxmlconfdata/usb-controller-default-g3beige.ppc64-latest.args
@@ -0,0 +1,33 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-ppc64 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine g3beige,usb=off,dump-guest-core=off,memory-backend=ppc_heathrow.ram \
+-accel tcg \
+-cpu g3 \
+-m size=262144k \
+-object '{"qom-type":"memory-backend-ram","id":"ppc_heathrow.ram","size":268435456}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-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 \
+-boot strict=on \
+-device '{"driver":"pci-ohci","id":"usb","bus":"pci.0","addr":"0x1"}' \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x2"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxmlconfdata/usb-controller-default-g3beige.ppc64-latest.xml b/tests/qemuxmlconfdata/usb-controller-default-g3beige.ppc64-latest.xml
new file mode 100644
index 0000000000..93672e3d6b
--- /dev/null
+++ b/tests/qemuxmlconfdata/usb-controller-default-g3beige.ppc64-latest.xml
@@ -0,0 +1,34 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='g3beige'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <pae/>
+  </features>
+  <cpu mode='custom' match='exact' check='none'>
+    <model fallback='forbid'>g3</model>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>restart</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <controller type='usb' index='0' model='pci-ohci'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <audio id='1' type='none'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </memballoon>
+  </devices>
+</domain>
diff --git a/tests/qemuxmlconfdata/usb-controller-default-g3beige.xml b/tests/qemuxmlconfdata/usb-controller-default-g3beige.xml
new file mode 100644
index 0000000000..6ff8b78312
--- /dev/null
+++ b/tests/qemuxmlconfdata/usb-controller-default-g3beige.xml
@@ -0,0 +1,23 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='g3beige'>hvm</type>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <pae/>
+  </features>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>restart</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <controller type='usb' index='0'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxmlconfdata/usb-controller-default-unavailable-g3beige.ppc64-latest.args b/tests/qemuxmlconfdata/usb-controller-default-unavailable-g3beige.ppc64-latest.args
new file mode 100644
index 0000000000..d32243e820
--- /dev/null
+++ b/tests/qemuxmlconfdata/usb-controller-default-unavailable-g3beige.ppc64-latest.args
@@ -0,0 +1,33 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/var/lib/libvirt/qemu/domain--1-QEMUGuest1/.config \
+/usr/bin/qemu-system-ppc64 \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object '{"qom-type":"secret","id":"masterKey0","format":"raw","file":"/var/lib/libvirt/qemu/domain--1-QEMUGuest1/master-key.aes"}' \
+-machine g3beige,usb=off,dump-guest-core=off,memory-backend=ppc_heathrow.ram \
+-accel tcg \
+-cpu g3 \
+-m size=262144k \
+-object '{"qom-type":"memory-backend-ram","id":"ppc_heathrow.ram","size":268435456}' \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-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 \
+-boot strict=on \
+-usb \
+-audiodev '{"id":"audio1","driver":"none"}' \
+-device '{"driver":"virtio-balloon-pci","id":"balloon0","bus":"pci.0","addr":"0x2"}' \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,resourcecontrol=deny \
+-msg timestamp=on
diff --git a/tests/qemuxmlconfdata/usb-controller-default-unavailable-g3beige.ppc64-latest.xml b/tests/qemuxmlconfdata/usb-controller-default-unavailable-g3beige.ppc64-latest.xml
new file mode 100644
index 0000000000..e977af05ee
--- /dev/null
+++ b/tests/qemuxmlconfdata/usb-controller-default-unavailable-g3beige.ppc64-latest.xml
@@ -0,0 +1,34 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='ppc64' machine='g3beige'>hvm</type>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <acpi/>
+    <apic/>
+    <pae/>
+  </features>
+  <cpu mode='custom' match='exact' check='none'>
+    <model fallback='forbid'>g3</model>
+  </cpu>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>restart</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-ppc64</emulator>
+    <controller type='usb' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x0'/>
+    </controller>
+    <controller type='pci' index='0' model='pci-root'/>
+    <audio id='1' type='none'/>
+    <memballoon model='virtio'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
+    </memballoon>
+  </devices>
+</domain>
diff --git a/tests/qemuxmlconfdata/usb-controller-default-unavailable-g3beige.xml b/tests/qemuxmlconfdata/usb-controller-default-unavailable-g3beige.xml
new file mode 120000
index 0000000000..38e57fb1f6
--- /dev/null
+++ b/tests/qemuxmlconfdata/usb-controller-default-unavailable-g3beige.xml
@@ -0,0 +1 @@
+usb-controller-default-g3beige.xml
\ No newline at end of file
diff --git a/tests/qemuxmlconftest.c b/tests/qemuxmlconftest.c
index ff9e4a4df6..fc9cb7e000 100644
--- a/tests/qemuxmlconftest.c
+++ b/tests/qemuxmlconftest.c
@@ -1253,6 +1253,8 @@ mymain(void)
     DO_TEST_CAPS_ARCH_LATEST_ABI_UPDATE("riscv64-virt-minimal", "riscv64");
     DO_TEST_CAPS_ARCH_LATEST("ppc64-pseries-minimal", "ppc64");
     DO_TEST_CAPS_ARCH_LATEST_ABI_UPDATE("ppc64-pseries-minimal", "ppc64");
+    DO_TEST_CAPS_ARCH_LATEST("ppc64-g3beige-minimal", "ppc64");
+    DO_TEST_CAPS_ARCH_LATEST_ABI_UPDATE("ppc64-g3beige-minimal", "ppc64");
     DO_TEST_CAPS_ARCH_LATEST("s390x-ccw-minimal", "s390x");
     DO_TEST_CAPS_ARCH_LATEST_ABI_UPDATE("s390x-ccw-minimal", "s390x");
 
@@ -1853,6 +1855,7 @@ mymain(void)
     DO_TEST_CAPS_LATEST("usb-controller-default-q35");
     DO_TEST_CAPS_ARCH_LATEST("usb-controller-default-pseries", "ppc64");
     DO_TEST_CAPS_ARCH_LATEST_ABI_UPDATE("usb-controller-default-pseries", "ppc64");
+    DO_TEST_CAPS_ARCH_LATEST("usb-controller-default-g3beige", "ppc64");
     /* i440fx downgrades to use '-usb' if the explicit controller is not present */
     DO_TEST_FULL("usb-controller-default-unavailable-i440fx", ".x86_64-latest",
                  ARG_CAPS_ARCH, "x86_64",
@@ -1931,6 +1934,18 @@ mymain(void)
                  ARG_QEMU_CAPS_DEL, QEMU_CAPS_PIIX3_USB_UHCI, QEMU_CAPS_PCI_OHCI, QEMU_CAPS_LAST,
                  ARG_END);
 
+    DO_TEST_FULL("usb-controller-default-fallback-g3beige", ".ppc64-latest",
+                 ARG_CAPS_ARCH, "ppc64",
+                 ARG_CAPS_VER, "latest",
+                 ARG_QEMU_CAPS_DEL, QEMU_CAPS_NEC_USB_XHCI, QEMU_CAPS_DEVICE_QEMU_XHCI, QEMU_CAPS_LAST,
+                 ARG_END);
+
+    DO_TEST_FULL("usb-controller-default-unavailable-g3beige", ".ppc64-latest",
+                 ARG_CAPS_ARCH, "ppc64",
+                 ARG_CAPS_VER, "latest",
+                 ARG_QEMU_CAPS_DEL, QEMU_CAPS_NEC_USB_XHCI, QEMU_CAPS_PCI_OHCI, QEMU_CAPS_DEVICE_QEMU_XHCI, QEMU_CAPS_LAST,
+                 ARG_END);
+
     DO_TEST_CAPS_LATEST("usb-none");
 
     DO_TEST_CAPS_LATEST("usb-controller-piix3");