Ok I think I can reproduce this; after running some disk operations (bonnie++ and split a 100MB file), if I shutdown and try to boot the VM the disk cannot be booted and I'm presented with the grub menu.
However this reproducer is not yet 100% reliable. Next week I'll work on bisecting it down after testing latest upstream. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1292234 Title: qcow2 image corruption in trusty (qemu 1.7 and 2.0 candidate) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1292234/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs