This issue seems to be similar to 1406706 and 1407454. Looks Marcel is working on a fix, and he also posted something to first address USB stuff,
https://www.mail-archive.com/qemu-devel@nongnu.org/msg272607.html -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1408152 Title: latest qemu git doesn't load Status in QEMU: New Bug description: commit ab0302ee764fd702465aef6d88612cdff4302809This is with qemu-system-x86_64: util/qemu-option.c:387: qemu_opt_get_bool_helper: Assertion `opt->desc && opt->desc->type == QEMU_OPT_BOOL' failed. /home/njh/bin/kfreebsd-amd64: line 7: 32549 Aborted (core dumped) qemu-system-x86_64 -drive file=kfreebsd-amd64,index=0,media=disk,cache=writeback,aio=native -drive file=/dev/sr0,index=1,media=cdrom -boot c -redir tcp:2232::22 -m 1024 -machine accel=kvm,kernel_irqchip=on -cpu host -net user,hostname=qemu.bandsman.co.uk -net nic,model=e1000 -k en-us To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1408152/+subscriptions
