58659169de
In particular, the deadlock can occur, together with unlucky timing between the QEMU threads, when the guest is issuing trim requests during the start of a backup operation. Signed-off-by: Fiona Ebner <f.ebner@proxmox.com> [ T: resolve trivial merge conflict in series file ] Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>