fix: print inner error in case of PersistError::QueueConstruction

roypat · roypat · commit ea1124e3243a · 2025-04-02T15:40:13.000Z
Otherwise it's impossible to figure out what precisely went wrong during
queue restoration.

Signed-off-by: Patrick Roy &lt;roypat@amazon.co.uk&gt;
diff --git a/src/vmm/src/devices/virtio/persist.rs b/src/vmm/src/devices/virtio/persist.rs
@@ -22,7 +22,7 @@ use crate::vstate::memory::{GuestAddress, GuestMemoryMmap};
 pub enum PersistError {
     /// Snapshot state contains invalid queue info.
     InvalidInput,
-    /// Could not restore queue.
+    /// Could not restore queue: {0}
     QueueConstruction(QueueError),
 }
 

Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ use crate::vstate::memory::{GuestAddress, GuestMemoryMmap};`
`22`	`22`	`pub enum PersistError {`
`23`	`23`	`/// Snapshot state contains invalid queue info.`
`24`	`24`	`InvalidInput,`
`25`		`- /// Could not restore queue.`
	`25`	`+ /// Could not restore queue: {0}`
`26`	`26`	`QueueConstruction(QueueError),`
`27`	`27`	`}`
`28`	`28`