Index: sys/boot/i386/libi386/biosdisk.c
===================================================================
--- sys/boot/i386/libi386/biosdisk.c	(revision 298593)
+++ sys/boot/i386/libi386/biosdisk.c	(working copy)
@@ -226,7 +226,9 @@
 				nfd++;
 		}
 	}
+	DEBUG("Adding %d devices to bcache...", nbdinfo);
 	bcache_add_dev(nbdinfo);
+	DEBUG("finished\n");
 	return(0);
 }
 
@@ -358,8 +360,11 @@
 	if (dev->d_unit < 0 || dev->d_unit >= nbdinfo)
 		return (EIO);
 	BD(dev).bd_open++;
-	if (BD(dev).bd_bcache == NULL)
+	if (BD(dev).bd_bcache == NULL) {
+	    DEBUG("Allocating bcache...");
 	    BD(dev).bd_bcache = bcache_allocate();
+	    DEBUG("done\n");
+	}
 	err = disk_open(dev, BD(dev).bd_sectors * BD(dev).bd_sectorsize,
 	    BD(dev).bd_sectorsize, (BD(dev).bd_flags & BD_FLOPPY) ?
 	    DISK_F_NOCACHE: 0);
@@ -447,7 +452,9 @@
 	dev = (struct disk_devdesc *)f->f_devdata;
 	BD(dev).bd_open--;
 	if (BD(dev).bd_open == 0) {
+	    DEBUG("Freeing bcache for device %d...", dev);
 	    bcache_free(BD(dev).bd_bcache);
+	    DEBUG("done\n");
 	    BD(dev).bd_bcache = NULL;
 	}
 	return (disk_close(dev));