diff -r -u /home/p4/zfs/sys/boot/i386/libi386/biosdisk.c ./i386/libi386/biosdisk.c
--- /home/p4/zfs/sys/boot/i386/libi386/biosdisk.c	2007-07-25 22:51:25.000000000 +0900
+++ ./i386/libi386/biosdisk.c	2007-08-22 19:33:47.410065716 +0900
@@ -600,7 +600,12 @@
 
 	if (lp->d_magic != DISKMAGIC) {
 	    DEBUG("no disklabel");
+#if 0
 	    error = ENOENT;
+#else
+	    od->od_flags &= ~BD_LABELOK;
+	    od->od_boff = sector;	/* no partition, must be after the slice */
+#endif
 	    goto out;
 	}
 	if (dev->d_kind.biosdisk.partition >= lp->d_npartitions) {
diff -r -u /home/p4/zfs/sys/boot/i386/loader/conf.c ./i386/loader/conf.c
--- /home/p4/zfs/sys/boot/i386/loader/conf.c	2007-07-25 22:51:26.000000000 +0900
+++ ./i386/loader/conf.c	2007-08-09 14:30:18.606190576 +0900
@@ -89,12 +89,14 @@
 #ifdef LOADER_BZIP2_SUPPORT
     &bzipfs_fsops,
 #endif
+#if 0
 #ifdef LOADER_NFS_SUPPORT 
     &nfs_fsops,
 #endif
 #ifdef LOADER_TFTP_SUPPORT
     &tftp_fsops,
 #endif
+#endif
     NULL
 };
 
diff -r -u /home/p4/zfs/sys/boot/zfs/zfsboot.c ./zfs/zfsboot.c
--- /home/p4/zfs/sys/boot/zfs/zfsboot.c	2007-08-16 14:00:07.000000000 +0900
+++ ./zfs/zfsboot.c	2007-08-17 11:09:36.279338040 +0900
@@ -667,7 +667,8 @@
 		return (EIO);
 	}
 
-	if (val != POOL_STATE_ACTIVE) {
+	/* Allow exported pools */
+	if (!(val == POOL_STATE_ACTIVE || val == POOL_STATE_EXPORTED)) {
 		/*
 		 * Don't print a message here. If we happen to reboot
 		 * while where is an exported pool around, we don't