Index: uspace/drv/char/ns8250/cyclic_buffer.h
===================================================================
--- uspace/drv/char/ns8250/cyclic_buffer.h	(revision 5203e2569a38ea677d1b3f202650bb36f9609583)
+++ uspace/drv/char/ns8250/cyclic_buffer.h	(revision beb93360b4fa19e27b1668938b25de12f07de3f6)
@@ -36,5 +36,5 @@
 #define CYCLIC_BUFFER_H_
 
-#define BUF_LEN 256
+#define BUF_LEN 4096
 
 typedef struct cyclic_buffer {