@@ -1038,12 +1038,14 @@ func (a *agent) handleReconnectingPTY(ctx context.Context, logger slog.Logger, m
10381038// 1. The timeout completed.
10391039// 2. The parent context was canceled.
10401040<- ctx .Done ()
1041+ logger .Debug (ctx ,"context done" ,slog .Error (ctx .Err ()))
10411042_ = process .Kill ()
10421043}()
10431044go func () {
10441045// If the process dies randomly, we should
10451046// close the pty.
1046- _ = process .Wait ()
1047+ err := process .Wait ()
1048+ logger .Debug (ctx ,"process exited" ,slog .Error (err ))
10471049rpty .Close ()
10481050}()
10491051if err = a .trackConnGoroutine (func () {
@@ -1052,6 +1054,8 @@ func (a *agent) handleReconnectingPTY(ctx context.Context, logger slog.Logger, m
10521054read ,err := rpty .ptty .OutputReader ().Read (buffer )
10531055if err != nil {
10541056// When the PTY is closed, this is triggered.
1057+ // Error is typically a benign EOF, so only log for debugging.
1058+ logger .Debug (ctx ,"PTY output read error" ,slog .Error (err ))
10551059break
10561060}
10571061part := buffer [:read ]
@@ -1063,8 +1067,14 @@ func (a *agent) handleReconnectingPTY(ctx context.Context, logger slog.Logger, m
10631067break
10641068}
10651069rpty .activeConnsMutex .Lock ()
1066- for _ ,conn := range rpty .activeConns {
1067- _ ,_ = conn .Write (part )
1070+ for cid ,conn := range rpty .activeConns {
1071+ _ ,err = conn .Write (part )
1072+ logger .Debug (ctx ,
1073+ "wrote to active conn" ,
1074+ slog .F ("other_conn_id" ,cid ),
1075+ slog .F ("data" ,part ),
1076+ slog .Error (err ),
1077+ )
10681078}
10691079rpty .activeConnsMutex .Unlock ()
10701080}