Marking wontfix - though perhaps changing the default in Ubuntu would make sense (as far as I know the performance impact is still there)... I'm open to the suggestion.
** Changed in: qemu-kvm (Ubuntu) Status: Incomplete => Won't Fix -- 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/671163 Title: qcow2 unusably slow when migrating from 8.04LTS to 10.04LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/671163/+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