--- xc/programs/Xserver/hw/xfree86/os-support/bus/linuxPci.c	2002-11-17 19:42:01.000000000 +0100
+++ xc.new/programs/Xserver/hw/xfree86/os-support/bus/linuxPci.c	2004-03-02 19:24:49.425892000 +0100
@@ -112,10 +112,10 @@
 		if (fd != -1)
 			close(fd);
 		if (bus < 256)
-			sprintf(file, "/proc/bus/pci/%02x/%02x.%1x",
+			sprintf(file, "/proc/bus/pci/0000:%02x/%02x.%1x",
 				bus, dev, func);
 		else
-			sprintf(file, "/proc/bus/pci/%04x/%02x.%1x",
+			sprintf(file, "/proc/bus/pci/0000:%04x/%02x.%1x",
 				bus, dev, func);
 		fd = open(file,O_RDWR);
 		lbus  = bus;