Hi Marietto, Can you attach an lsusb output from your host? I'm curious what host bug 1, addr 7 and 8 are.
Dave -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1851547 Title: qemu 4 crashes with this parameter attached -usb -device usb- host,hostbus=1,hostaddr=7 \ Status in QEMU: New Bug description: Hello. 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 ? root@ziomario-Z390-AORUS-PRO:/home/ziomario/Scrivania/OS-KVM# ./boot- OS-HSP2.sh ----> 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-OS-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,$MY_OPTIONS -machine pc-q35-2.9 -smp 4,cores=2 -vga none -device vfio-pci,host=01:00.0,bus=pcie.0,multifunction=on -device vfio-pci,host=01:00.1,bus=pcie.0 -device vfio- pci,host=01:00.2,bus=pcie.0 -device vfio-pci,host=01:00.3,bus=pcie.0 -usb -device usb-host,hostbus=1,hostaddr=7 -drive if=pflash,format=raw,readonly,file=$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=./'Mo/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 It seems that this line is not good anymore (it worked with qemu 3.x) : -usb -device usb-host,hostbus=1,hostaddr=7 \ when I removed it,it works. But I need that. With what can I change it ? You can reproduce that upgrading ubuntu 19.04 to 19.10 because in that way also qemu will be upgraded from 3 to 4. These are the packages that I'm using : root@ziomario-Z390-AORUS-PRO:/home/ziomario# qemu-system-x86_64 --version QEMU emulator version 4.0.0 (Debian 1:4.0+dfsg-0ubuntu9) To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1851547/+subscriptions
