Signed-off-by: Peter Krempa <pkrempa@redhat.com>
---
 docs/news.xml | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/docs/news.xml b/docs/news.xml
index 1af57f8af0..4f1bea4fb5 100644
--- a/docs/news.xml
+++ b/docs/news.xml
@@ -88,6 +88,19 @@
       </change>
     </section>
     <section title="Bug fixes">
+      <change>
+        <summary>
+          qemu: Report error if backing image format is not specified explicitly
+        </summary>
+        <description>
+          For a long time libvirt was assuming that a backing file is RAW when
+          the format was not specified. This didn't pose a problem until blockdev
+          support was enabled in last release. Libivrt now requires that
+          the format is specified in the image metadata or domain XML and the
+          VM will refuse to start otherwise. Additionally the error message
+          now links to the knowledge base which summarizes how to fix the images.
+        </description>
+      </change>
     </section>
     <section title="Removed features">
       <change>
-- 
2.24.1

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On Fri, Jan 10, 2020 at 12:29:46PM +0100, Peter Krempa wrote:
> Signed-off-by: Peter Krempa <pkrempa@redhat.com>
> ---
>  docs/news.xml | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/docs/news.xml b/docs/news.xml
> index 1af57f8af0..4f1bea4fb5 100644
> --- a/docs/news.xml
> +++ b/docs/news.xml
> @@ -88,6 +88,19 @@
>        </change>
>      </section>
>      <section title="Bug fixes">
> +      <change>
> +        <summary>
> +          qemu: Report error if backing image format is not specified explicitly
> +        </summary>
> +        <description>
> +          For a long time libvirt was assuming that a backing file is RAW when
> +          the format was not specified. This didn't pose a problem until blockdev
> +          support was enabled in last release. Libivrt now requires that
> +          the format is specified in the image metadata or domain XML and the
> +          VM will refuse to start otherwise. Additionally the error message
> +          now links to the knowledge base which summarizes how to fix the images.
> +        </description>
> +      </change>
>      </section>
>      <section title="Removed features">
>        <change>

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

Regards,
Daniel
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