(In reply to Bernhard Wiedemann from comment #3) > build works here with > osc co Virtualization virtualbox > cd Virtualization/virtualbox > osc build openSUSE_Factory i586 > > so maybe some issue with qemu or OBS itself? My local builds are OK as well. Do x86_64 builds on OBS use qemu, or are they built natively? If the latter, perhaps qemu is indeed the problem. This problem is relatively new. The version bump of VB to 5.0.6 in early October went smoothly.