[incremental_backup] qemu aborts if guest reboot during backup when using virtio-blk: "aio_co_schedule: Co-routine was already scheduled in 'aio_co_schedule'"
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (virt:av bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2021:2098