Hey Jens, Please git pull the following branch: git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen.git stable/for-jens-4.12 which is based on your 'for-4.12/block' branch. It has one fix - to emit an uevent whenever the size of the guest disk image changes. Please pull! drivers/block/xen-blkfront.c | 3 +++ 1 file changed, 3 insertions(+) Marc Olson (1): blkfront: add uevent for size change