Mac OS X High Sierra qemu / kvm does not start anymore after upgrading ubuntu (and qemu).

Hello.

Mac OS X High Sierra qemu / kvm does not start anymore after upgrading ubuntu from 19.04 to 19.10 and qemu from 3 to 4,as you can see below. what can I do ?

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root@ziomario-Z390-AORUS-PRO:/home/ziomario/Scrivania/OSX-KVM# ./boot-macOS-HSP2.sh

** (qemu-system-x86_64:26312): WARNING **: 11:39:01.485: Unable to connect to dbus: The connection is closed

QEMU 4.0.0 monitor - type 'help' for more information

(qemu)

(qemu:26312): GLib-GIO-CRITICAL **: 11:39:03.708: g_dbus_connection_register_object: assertion 'G_IS_DBUS_CONNECTION (connection)' failed

(qemu:26312): GLib-GIO-CRITICAL **: 11:39:03.708: g_dbus_connection_register_object: assertion 'G_IS_DBUS_CONNECTION (connection)' failed

(qemu:26312): GLib-GIO-CRITICAL **: 11:39:03.708: g_dbus_connection_get_unique_name: assertion 'G_IS_DBUS_CONNECTION (connection)' failed

XDG_RUNTIME_DIR (/run/user/1000) non è di nostra proprietà (uid 0), ma dello uid 1000 (ciò potrebbe verificarsi se si tenta la connessione come utente root verso PulseAudio eseguito non da root, attraverso il protocollo nativo: non fare ciò).

qemu-system-x86_64: /build/qemu-UryNDZ/qemu-4.0+dfsg/hw/usb/core.c:720: usb_ep_get: asserzione "dev != NULL" non riuscita.

./boot-macOS-HSP2.sh: riga 40: 26312 Annullato (core dump creato) qemu-system-x86_64 -enable-kvm -m 16000 -cpu Penryn,kvm=on,vendor=GenuineIntel,+invtsc,vmware-cpuid-freq=on,$MY_OPTIONS -machine pc-q35-2.9 -smp 4,cores=2 -vga none -device vfio-pci,host=01:00.0,bus=pcie.0,multifunction=on -device vfio-pci,host=01:00.1,bus=pcie.0 -device vfio-pci,host=01:00.2,bus=pcie.0 -device vfio-pci,host=01:00.3,bus=pcie.0 -usb -device usb-host,hostbus=1,hostaddr=7 -device isa-applesmc,osk="ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc" -drive if=pflash,format=raw,readonly,file=$OVMF/OVMF_CODE.fd -drive if=pflash,format=raw,file=$OVMF/OVMF_VARS-1024x768.fd -smbios type=2 -device ich9-ahci,id=sata -drive id=Clover,if=none,snapshot=on,format=qcow2,file=./'Mojave/CloverNG.qcow2' -device ide-hd,bus=sata.2,drive=Clover -device ide-hd,bus=sata.3,drive=InstallMedia -drive id=InstallMedia,if=none,file=BaseSystemHS.img,format=raw -drive id=BsdHDD,if=none,file=/dev/sdg,format=raw -device ide-hd,bus=sata.4,drive=BsdHDD -netdev tap,id=net0,ifname=tap0,script=no,downscript=no -device e1000-82545em,netdev=net0,id=net0,mac=52:54:00:c9:18:27 -monitor stdio