diff --git a/server/src/main.rs b/server/src/main.rs
index b40d6dc..9c36731 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -158,7 +158,13 @@ impl Relay for Handler {
                                    .map(|b| format!("{b:02X}")).collect::<Vec<_>>().join(" "));
                             break;
                         },
-                        Err(e) if matches!(e.raw_os_error(), Some(libc::EBUSY) | Some(libc::EAGAIN)) => {
+                        Err(e) 
+                            if matches!(e.raw_os_error(), 
+                                        Some(libc::EBUSY)  |  // still opening
+                                        Some(libc::ENODEV) |  // gadget not‑yet configured
+                                        Some(libc::EPIPE)  |  // host vanished
+                                        Some(libc::EAGAIN))   // non‑blocking
+                        => {
                             tokio::time::sleep(Duration::from_millis(10)).await;
                             continue;
                         }
@@ -191,7 +197,13 @@ impl Relay for Handler {
                                    .map(|b| format!("{b:02X}")).collect::<Vec<_>>().join(" "));
                             break;
                         }
-                        Err(e) if matches!(e.raw_os_error(), Some(libc::EBUSY) | Some(libc::EAGAIN)) => {
+                        Err(e) 
+                            if matches!(e.raw_os_error(), 
+                                        Some(libc::EBUSY)  |  // still opening
+                                        Some(libc::ENODEV) |  // gadget not‑yet configured
+                                        Some(libc::EPIPE)  |  // host vanished
+                                        Some(libc::EAGAIN))   // non‑blocking 
+                        => {
                             tokio::time::sleep(Duration::from_millis(10)).await;
                             continue;
                         }