--- linux-2.6.0-test5/drivers/usb/class/usblp.c	2003-09-09 08:50:01.000000000 +0100
+++ linux/drivers/usb/class/usblp.c	2003-09-14 22:31:40.000000000 +0100
@@ -54,7 +54,13 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/lp.h>
-#undef DEBUG
+
+#ifdef CONFIG_USB_DEBUG
+	#define DEBUG
+#else
+	#undef DEBUG
+#endif
+
 #include <linux/usb.h>
 
 /*
@@ -159,7 +165,9 @@
 	dbg("usblp=0x%p", usblp);
 	dbg("dev=0x%p", usblp->dev);
 	dbg("present=%d", usblp->present);
-	dbg("buf=0x%p", usblp->buf);
+	/* causes error:
+	 dbg("buf=0x%p", usblp->buf);
+	*/	
 	dbg("readcount=%d", usblp->readcount);
 	dbg("ifnum=%d", usblp->ifnum);
     for (p = USBLP_FIRST_PROTOCOL; p <= USBLP_LAST_PROTOCOL; p++) {