diff --git a/library/std/src/sys/random/linux.rs b/library/std/src/sys/random/linux.rs
index 9b6d16e196ac1..6a4e4f3e670db 100644
--- a/library/std/src/sys/random/linux.rs
+++ b/library/std/src/sys/random/linux.rs
@@ -123,7 +123,9 @@ fn getrandom(mut bytes: &mut [u8], insecure: bool) {
                         GETRANDOM_AVAILABLE.store(false, Relaxed);
                         break;
                     }
-                    _ => panic!("failed to generate random data"),
+                    other => {
+                        panic!("failed to generate random data: errno={other:?}, flags={flags:?}")
+                    }
                 }
             }
         }
diff --git a/tests/ui/std/linux-getrandom-fallback.rs b/tests/ui/std/linux-getrandom-fallback.rs
index c50fbe8257af6..81c0fa623d835 100644
--- a/tests/ui/std/linux-getrandom-fallback.rs
+++ b/tests/ui/std/linux-getrandom-fallback.rs
@@ -1,5 +1,6 @@
 //@ only-linux
 //@ run-pass
+//@ needs-unwind
 
 #![feature(random)]
 #![feature(rustc_private)]