With the knowledge gathered above the potential commits seem to one of the following groups: The first two sets look more likely, but I listed all that seemed somewhat related.
e0995dc3 block: Add reopen_queue to bdrv_child_perm() 3121fb45 block: Add reopen queue to bdrv_check_perm() 148eb13c block: Base permissions on rw state after reopen 1857c97b block: reopen: Queue children after their parents 30450259 block: Fix permissions after bdrv_reopen() 6858eba0 block: Introduce BdrvChildRole.update_filename 61f09cea commit: Support multiple roots above top node bde70715 commit: Remove overlay_bs dafe0960 block: Fix permissions in image activation -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1837869 Title: Cannot complete snapshot if read-only backing store is opened by another VM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1837869/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
