I have just noticed that the error does not appear when mounting the VFat drive in the installed instance of Arch Linux. The reported error messages occurred when using the "LiveUSB".
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1907776 Title: Mounting VFat drive yields error messages. Status in QEMU: New Bug description: Mounting a virtual Fat drive results in error messages (see attached image). * https://www.qemu.org/docs/master/system/images.html#virtual-fat- disk-images The "drive" is however mounted, and as a test, saving a text file to the drive is successfully stored in the directory `/tmp`, which can be read after shutdown of Qemu. Archlinux 5.9.11-arch2-1 (64-bit) qemu-headless 5.1.0-3 qemu-system-x86_64 -boot order=d -name test \ -enable-kvm -m 2G -cpu host -k sv \ -daemonize \ -drive if=pflash,format=raw,readonly,file=/usr/share/edk2-ovmf/x64/OVMF_CODE.fd \ -drive if=pflash,format=raw,file=~/vm/OVMF_VARS.local.fd \ -drive if=ide,format=raw,media=disk,index=1,file=fat:rw:/tmp \ -vnc :1 \ -cdrom /obj/archlinux/release/2020.10.01-x86_64.iso \ -drive format=raw,index=0,media=disk,file=~/vm/qemu.raw To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1907776/+subscriptions