I think that virsh domstats problem on qemu < 5.2.0 is what users want
to find which version fixes.
---
 NEWS.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/NEWS.rst b/NEWS.rst
index ae678bffc4..2c51628278 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -44,6 +44,11 @@ v7.9.0 (unreleased)
 
 * **Bug fixes**
 
+  * qemu: Fix problems on ``virsh domstats`` with qemu <5.2.0
+
+    Libvirt v7.2.0 and later called query-dirty-rate, which was introduced in
+    qemu-5.2.0, regardless of qemu version and failed in qemu-5.1.0. This
+    release fixes the bug.
 
 v7.8.0 (2021-10-01)
 ===================
-- 
2.17.1

On 10/15/21 11:49 AM, Hiroki Narukawa wrote:
> I think that virsh domstats problem on qemu < 5.2.0 is what users want
> to find which version fixes.
> ---
>  NEWS.rst | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/NEWS.rst b/NEWS.rst
> index ae678bffc4..2c51628278 100644
> --- a/NEWS.rst
> +++ b/NEWS.rst
> @@ -44,6 +44,11 @@ v7.9.0 (unreleased)
>  
>  * **Bug fixes**
>  
> +  * qemu: Fix problems on ``virsh domstats`` with qemu <5.2.0
> +
> +    Libvirt v7.2.0 and later called query-dirty-rate, which was introduced in
> +    qemu-5.2.0, regardless of qemu version and failed in qemu-5.1.0. This
> +    release fixes the bug.
>  
>  v7.8.0 (2021-10-01)
>  ===================
> 

This is definitely wanted, thank you!

Michal