--- grub-0.97/lib/device.c.dmraid-partition-names	2006-02-13 18:53:59.000000000 -0500

+++ grub-0.97/lib/device.c	2006-02-13 18:56:04.000000000 -0500

@@ -1106,6 +1106,7 @@

 	   /* Compaq smart and others */

 	   (strncmp(dev, "/dev/ida/", 9) == 0 ||

 	    strncmp(dev, "/dev/ataraid/", 13) == 0 ||

+	    strncmp(dev, "/dev/mapper/", 12) == 0 || 

 	    strncmp(dev, "/dev/cciss/", 11) == 0 ||

 	    strncmp(dev, "/dev/rd/", 8) == 0) ? "p" : "",

 	   ((partition >> 16) & 0xFF) + 1);