Hi All using mainline QEMU code and below boot up commands, the QEMU will be hang when do bootup, if I add the "-enable-kvm" parameter, it can boot up successfully, do you know the reason about it? I also try the "remotes/origin/stable-2.12" branch code using below same boot up commands, it does not have this hang issue. it seems the mainline code has some issue.
./qemu-system-aarch64 -m 1024 -cpu cortex-a57 -machine virt,gic-version=3 \ -smp 4 -nographic -kernel Image -append "root=/dev/sda1 console=ttyAMA0 sched_debug ignore_loglevel" \ -device virtio-scsi-device,id=scsi -drive file=./linaro.img,id=rootimg,cache=unsafe,if=none -device scsi-hd,drive=rootimg