Hi, do you see errors on stderr when running with "-d guest_errors"? If so can you attach the log produced by using "-D guest_errors.log -d guest_errors"?
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1920752 Title: USB SoundCard Passthrough not working on arm64 Status in QEMU: New Bug description: Hello, I am virtualizing a armhf guest on a aarch64 host and was to use my Sound Blaster USB Soundcard as passthrough. armhf Guest is: Debian Buster aarch64 host is a jetson nano. KVM is enabled. Latest qemu is built from sources. The command I use for running is as follows: ../qemu/build/qemu-system-aarch64 -M virt -m 2048 -smp 2 -cpu host,aarch64=off -enable-kvm \ -kernel vmlinuz-4.19.0-14-armmp-lpae -initrd initrd.img-4.19.0-14-armmp-lpae -append 'root=/dev/vda2' \ -device nec-usb-xhci -device usb-kbd -device usb-mouse -device usb-host,hostbus=1,hostport=2.3 -serial stdio \ -device virtio-gpu-pci,virgl=on,xres=1600,yres=900 -display sdl,gl=on \ -drive if=none,file=hda2.qcow2,format=qcow2,id=hd -device virtio-blk-device,drive=hd \ -netdev user,id=mynet -device virtio-net-device,netdev=mynet \ -bios edk2-arm-code.fd -no-reboot Where are my lsusb -t shows: rreddy78@jetson-nano:~/Downloads$ lsusb -t /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/4p, 5000M |__ Port 1: Dev 3, If 0, Class=Hub, Driver=hub/4p, 5000M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=tegra-xusb/5p, 480M |__ Port 2: Dev 6, If 0, Class=Hub, Driver=hub/4p, 480M |__ Port 1: Dev 7, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M |__ Port 1: Dev 7, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M |__ Port 3: Dev 8, If 3, Class=Human Interface Device, Driver=usbhid, 12M |__ Port 3: Dev 8, If 1, Class=Audio, Driver=snd-usb-audio, 12M |__ Port 3: Dev 8, If 2, Class=Audio, Driver=snd-usb-audio, 12M |__ Port 3: Dev 8, If 0, Class=Audio, Driver=snd-usb-audio, 12M |__ Port 4: Dev 9, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M Within the VM I can see the usb as follows rreddy78@debian:~$ lsusb -t /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M |__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 480M |__ Port 2: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 480M Its looks like some passthrough as but it seems like only for _ Port 3: Dev 8, If 3, Class=Human Interface Device, Driver=usbhid, 12M I am not sure if passthrough even works because this post I saw https://community.arm.com/developer/ip-products/system/f/embedded- forum/48031/usb-pass-through-in-qemu-command-line-for-arm- machines/168764#168764 To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1920752/+subscriptions
