[Bug 1292234] Re: qcow2 image corruption in trusty (qemu 1.7 and 2.0 candidate)

[Ryan Harper]

For the reproducers, something worth trying is to use to try is external
snapshots (instead of internal which the snapshot-create-as does without
flags).

instead run:  snapshot-create-as --disk-only

which will basically do qemu-img create -b your_original_qcow2 -f qcow2
pristine

And store the snapshot delta in a separate file.

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https://bugs.launchpad.net/bugs/1292234

Title:
  qcow2 image corruption in trusty (qemu 1.7 and 2.0 candidate)

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