Index: /trunk/src/VBox/Devices/Serial/DrvHostSerial.cpp
===================================================================
--- /trunk/src/VBox/Devices/Serial/DrvHostSerial.cpp	(revision 19808)
+++ /trunk/src/VBox/Devices/Serial/DrvHostSerial.cpp	(revision 19809)
@@ -358,4 +358,8 @@
     /* set serial port to raw input */
     termiosSetup->c_lflag = ~(ICANON | ECHO | ECHOE | ISIG);
+#ifdef RT_OS_SOLARIS
+    /* turn off other extended special characters in line mode */
+    termiosSetup->c_lflag &= ~(IEXTEN);
+#endif
 
     tcsetattr(pThis->DeviceFile, TCSANOW, termiosSetup);