Add logging , update mshv bindings version

Signed-off-by: Simon Davies <[email protected]>

Author: simongdavies

src/hyperlight_host/Cargo.toml

@@ -78,8 +78,8 @@ kvm-bindings = { version = "0.11", features = ["fam-wrappers"], optional = true
 kvm-ioctls = { version = "0.20", optional = true }
 mshv-bindings2 = { package="mshv-bindings", version = "=0.2.1", optional = true }
 mshv-ioctls2 = { package="mshv-ioctls",  version = "=0.2.1", optional = true}
-mshv-bindings3 = { package="mshv-bindings", version = "0.3.2", optional = true }
-mshv-ioctls3 = { package="mshv-ioctls",  version = "0.3.2", optional = true}
+mshv-bindings3 = { package="mshv-bindings", version = "0.3.3", optional = true }
+mshv-ioctls3 = { package="mshv-ioctls",  version = "0.3.3", optional = true}
 
 [dev-dependencies]
 uuid = { version = "1.13.2", features = ["v4"] }

src/hyperlight_host/src/hypervisor/hypervisor_handler.rs

@@ -647,7 +647,9 @@ impl HypervisorHandler {
                         // If the thread has finished, we try to join it and return the error if it has one
                         let res = handle.join();
                         if res.as_ref().is_ok_and(|inner_res| inner_res.is_err()) {
-                            return Err(res.unwrap().unwrap_err());
+                            let err = res.unwrap().unwrap_err();
+                            log::debug!("Handler thread finished with error: {:?} before sending message", err);
+                            return Err(err);
                         }
                         Err(HyperlightError::HypervisorHandlerMessageReceiveTimedout())
                     }