This could be tough to reproduce, as I don't seem to have a way to create a vpc image > 127G in the first place:
root@ip-10-36-186-165:/mnt# qemu-img create -f vpc vpc2.img 130G Formatting 'vpc2.img', fmt=vpc size=139586437120 qemu-img: The image size is too large for file format 'vpc' root@ip-10-36-186-165:/mnt# qemu-img create -f raw raw1.img 130G Formatting 'raw1.img', fmt=raw size=139586437120 root@ip-10-36-186-165:/mnt# qemu-img convert -f raw -O vpc raw1.img vpc1.img qemu-img: The image size is too large for file format 'vpc' root@ip-10-36-186-165:/mnt# qemu-img create -f vpc vpc1.img 127G Formatting 'vpc1.img', fmt=vpc size=136365211648 root@ip-10-36-186-165:/mnt# qemu-img convert -f vpc -O raw vpc1.img raw2.img root@ip-10-36-186-165:/mnt# qemu-img info raw2.img image: raw2.img file format: raw virtual size: 127G (136365219840 bytes) disk size: 0 -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/814222 Title: kvm cannot use vhd files over 127GB To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/814222/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs