I've not yet been able to definitively reproduce this. (On a bad nested qemu setup i had some issues which i think were unrelated). I've tried on a trusty laptop, and on a faster machine with a trusty container on a trusty kernel. Starting with the images you posted for me each time.
-- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu in 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-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs