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USB connection in emulated Raspbian with QEMU

From: Emanuele Tavanti
Subject: USB connection in emulated Raspbian with QEMU
Date: Wed, 20 May 2020 04:30:40 +0200

Hi All! I'm new to QEMU and i'm having a problem with a USB connection. I'm trying to connect a USB device in the OS Raspbian buster (dated 2020-02-13) virtualized with QEMU 2.11.1. I'm using the following command line

sudo qemu-system-arm -kernel kernel-qemu-4.4.34-jessie -cpu arm1176 -m 256 -M versatilepb -serial stdio -append "root=/dev/sda2 rootfstype=ext4 rw" -hda Raspbian_2020-02-13.img -net nic -net user,hostfwd=tcp::5022-:22 -no-reboot -usb -device usb-host,vendorid=0x058b,productid=0x0058

Once that the emulation starts, in the QEMU monitor i can see the device with the command info usb, but with lsusb in Raspbian i cannot see any USB device. Moreover, in the output of dmesg nothing about a USB connection is cited. What are my errors? Thanks

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