Hi, 

I take a snapshot of Running Instances.

The following error occurs inLibvirtd:

invalid argument: disk vda does not have an active block job
Feb 09 07:42:07 bc1bl08 libvirtd[3860778]: internal error: Child process (LIBVIRT_LOG_OUTPUTS=3:stderr /usr/lib/libvirt/virt-aa-helper -r -u libvirt-12acd6a6-7e6b-405e-8760-7ccbac7d9d82) unexpected exit status 1: 2023-02-09 07:42:07.356+0000: 1763455: info : l>
2023-02-09 07:42:07.356+0000: 1763455: info : hostname: bc1bl08
2023-02-09 07:42:07.356+0000: 1763455: error : virDomainDiskDefMirrorParse:8800 : unsupported configuration: unknown mirror job type ''
virt-aa-helper: error: could not parse XML
virt-aa-helper: error: could not get VM definition
Feb 09 07:42:07 bc1bl08 libvirtd[3860778]: internal error: cannot update AppArmor profile 'libvirt-12acd6a6-7e6b-405e-8760-7ccbac7d9d82'
Feb 09 07:42:07 bc1bl08 libvirtd[3860778]: Unable to restore security label on /var/lib/nova/instances/snapshots/tmp13rvs6s5/2b0ec8c400634e5d937b5d6a9e0e26ef.delta

# Ansible managed

DISTRIB_ID="OSA"
DISTRIB_RELEASE="25.2.0"
DISTRIB_CODENAME="Yoga"
DISTRIB_DESCRIPTION="OpenStack-Ansible"

Did any of you have the same Error and how did you solve them?

I think, For this reason, snapshots are not created.

Wassilij Kaiser