[PATCH] NEWS: Mention JSON nesting bug and TPM migration quirk with NFS

Peter Krempa via Devel posted 1 patch 2 weeks, 5 days ago
Patches applied successfully (tree, apply log)
git fetch https://github.com/patchew-project/libvirt tags/patchew/807c347b0ae30de3d3836234dda58db1dde7fabd.1768311495.git.pkrempa@redhat.com
NEWS.rst | 12 ++++++++++++
1 file changed, 12 insertions(+)
[PATCH] NEWS: Mention JSON nesting bug and TPM migration quirk with NFS
Posted by Peter Krempa via Devel 2 weeks, 5 days ago
From: Peter Krempa <pkrempa@redhat.com>

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
---
 NEWS.rst | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/NEWS.rst b/NEWS.rst
index a0fae3c661..ce55445695 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -54,6 +54,18 @@ v12.0.0 (unreleased)

 * **Bug fixes**

+  * qemu: Fix startup of VMs with more than ~25 external snapshots
+
+    After switch to json-c VMs with too deeply nested image chains would fail
+    to start due to nesting depth limit in json-c, which is now increased to once
+    again support backing chains up to 200 images deep.
+
+  * qemu: TPM: Properly handle migration when storage resides on NFS
+
+    The VM now can be properly migrated in scenarios where TPM data is stored
+    on a shared filesystem on the destination but on the source it's either
+    on a different NFS or unshared completely.
+

 v11.10.0 (2025-12-01)
 =====================
-- 
2.52.0
Re: [PATCH] NEWS: Mention JSON nesting bug and TPM migration quirk with NFS
Posted by Jiri Denemark via Devel 2 weeks, 5 days ago
On Tue, Jan 13, 2026 at 14:38:15 +0100, Peter Krempa wrote:
> From: Peter Krempa <pkrempa@redhat.com>
> 
> Signed-off-by: Peter Krempa <pkrempa@redhat.com>
> ---
>  NEWS.rst | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/NEWS.rst b/NEWS.rst
> index a0fae3c661..ce55445695 100644
> --- a/NEWS.rst
> +++ b/NEWS.rst
> @@ -54,6 +54,18 @@ v12.0.0 (unreleased)
> 
>  * **Bug fixes**
> 
> +  * qemu: Fix startup of VMs with more than ~25 external snapshots
> +
> +    After switch to json-c VMs with too deeply nested image chains would fail
> +    to start due to nesting depth limit in json-c, which is now increased to once
> +    again support backing chains up to 200 images deep.
> +
> +  * qemu: TPM: Properly handle migration when storage resides on NFS
> +
> +    The VM now can be properly migrated in scenarios where TPM data is stored
> +    on a shared filesystem on the destination but on the source it's either
> +    on a different NFS or unshared completely.
> +

Reviewed-by: Jiri Denemark <jdenemar@redhat.com>