I tried it again today with qemu master: 19b599f7664b2ebfd0f405fb79c14dd241557452 Unfortunately it did not work better than with qemu 2.11.2
I tried it again today with qemu master: 19b599f7664b2eb fd0f405fb79c14d d241557452
Unfortunately it did not work better than with qemu 2.11.2