diff --git a/pvmfw/src/entry.rs b/pvmfw/src/entry.rs
index b840488..d113452 100644
--- a/pvmfw/src/entry.rs
+++ b/pvmfw/src/entry.rs
@@ -57,7 +57,7 @@
 
     match main_wrapper(fdt_address as usize, payload_start as usize, payload_size as usize) {
         Ok(_) => jump_to_payload(fdt_address, payload_start),
-        Err(_) => reboot(),
+        Err(_) => reboot(), // TODO(b/220071963) propagate the reason back to the host.
     }
 
     // if we reach this point and return, vmbase::entry::rust_entry() will call power::shutdown().