diff --git a/tools/regression/geom/Data/disk.apple.xml b/tools/regression/geom/Data/disk.apple.xml
new file mode 100644
index 00000000000..ecdd5236497
--- /dev/null
+++ b/tools/regression/geom/Data/disk.apple.xml
@@ -0,0 +1,93 @@
+<?xml version="1.0"?>
+<DISKIMAGE>
+  <FreeBSD>$FreeBSD$</FreeBSD>
+  <sectorsize>512</sectorsize>
+  <mediasize>366530560</mediasize>
+  <fwsectors>0</fwsectors>
+  <fwheads>0</fwheads>
+  <fwcylinders>0</fwcylinders>
+  <sector>
+    <offset>0</offset>
+    <hexdata>
+	45520200000aec68000100010000000000010000004000120001000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+    </hexdata>
+  </sector>
+  <sector>
+    <offset>512</offset>
+    <hexdata>
+	504d00000000000300000060000aec084d61634f530000000000000000000000
+	000000000000000000000000000000004170706c655f48465300000000000000
+	0000000000000000000000000000000000000000000aec08000000b700000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+    </hexdata>
+  </sector>
+  <sector>
+    <offset>1024</offset>
+    <hexdata>
+	504d000000000003000000010000003f4170706c650000000000000000000000
+	000000000000000000000000000000004170706c655f706172746974696f6e5f
+	6d617000000000000000000000000000000000000000003f0000003700000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+    </hexdata>
+  </sector>
+  <sector>
+    <offset>1536</offset>
+    <hexdata>
+	504d00000000000300000040000000204d6163696e746f736800000000000000
+	000000000000000000000000000000004170706c655f44726976657234330000
+	0000000000000000000000000000000000000000000000200000007f00000000
+	000023ee0000000000000000000000000000000000007c083638303030000000
+	0000000000000000000106000000000000000001000700000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+	0000000000000000000000000000000000000000000000000000000000000000
+    </hexdata>
+  </sector>
+</DISKIMAGE>
diff --git a/tools/regression/geom/GLib/Makefile b/tools/regression/geom/GLib/Makefile
index 121ff6a5e66..344f88a27d9 100644
--- a/tools/regression/geom/GLib/Makefile
+++ b/tools/regression/geom/GLib/Makefile
@@ -1,7 +1,8 @@
 # $FreeBSD$
 
 LIB=	G
-SRCS=   geom.c geom_aes.c geom_bsd.c geom_simdev.c geom_dump.c \
+SRCS=   geom.c \
+	geom_aes.c geom_apple.c geom_bsd.c geom_simdev.c geom_dump.c \
 	geom_event.c \
 	geom_io.c \
 	geom_kernsim.c geom_mbr.c geom_simdisk.c geom_enc.c \
diff --git a/tools/regression/geom/Test/Makefile b/tools/regression/geom/Test/Makefile
index ebceb87b207..0ba78f04d4a 100644
--- a/tools/regression/geom/Test/Makefile
+++ b/tools/regression/geom/Test/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 SUBDIR+=	T000 T001 T002 T003 T004 T005 T006 T007 T008 T009
-SUBDIR+=	     T011 T012 T013 T014
+SUBDIR+=	     T011 T012 T013 T014 T015
 
 # SUBDIR+=	T999
 
diff --git a/tools/regression/geom/Test/T015/Makefile b/tools/regression/geom/Test/T015/Makefile
new file mode 100644
index 00000000000..18fd955e4cf
--- /dev/null
+++ b/tools/regression/geom/Test/T015/Makefile
@@ -0,0 +1,2 @@
+# $FreeBSD$
+.include <bsd.prog.mk>
diff --git a/tools/regression/geom/Test/T015/ref.conf b/tools/regression/geom/Test/T015/ref.conf
new file mode 100644
index 00000000000..57757992f6c
--- /dev/null
+++ b/tools/regression/geom/Test/T015/ref.conf
@@ -0,0 +1,121 @@
+<mesh>
+  <FreeBSD>$FreeBSD$</FreeBSD>
+  <class id="0x8087020">
+    <name>DEV-class</name>
+    <geom id="0x80bb680">
+      <class ref="0x8087020"/>
+      <name>da0p2</name>
+      <rank>3</rank>
+	<consumer id="0x80bc640">
+	  <geom ref="0x80bb680"/>
+	  <provider ref="0x80bb500"/>
+	  <mode>r0w0e0</mode>
+	</consumer>
+    </geom>
+    <geom id="0x80bb600">
+      <class ref="0x8087020"/>
+      <name>da0p1</name>
+      <rank>3</rank>
+	<consumer id="0x80bc600">
+	  <geom ref="0x80bb600"/>
+	  <provider ref="0x80bb480"/>
+	  <mode>r0w0e0</mode>
+	</consumer>
+    </geom>
+    <geom id="0x80bb580">
+      <class ref="0x8087020"/>
+      <name>da0p0</name>
+      <rank>3</rank>
+	<consumer id="0x80bc500">
+	  <geom ref="0x80bb580"/>
+	  <provider ref="0x80bb400"/>
+	  <mode>r0w0e0</mode>
+	</consumer>
+    </geom>
+    <geom id="0x80bb280">
+      <class ref="0x8087020"/>
+      <name>da0</name>
+      <rank>2</rank>
+	<consumer id="0x80bc540">
+	  <geom ref="0x80bb280"/>
+	  <provider ref="0x80bb200"/>
+	  <mode>r0w0e0</mode>
+	</consumer>
+    </geom>
+  </class>
+  <class id="0x8087040">
+    <name>APPLE</name>
+    <geom id="0x80bb300">
+      <class ref="0x8087040"/>
+      <name>da0</name>
+      <rank>2</rank>
+      <config>
+	<frontstuff>8192</frontstuff>
+      </config>
+	<consumer id="0x80bc5c0">
+	  <geom ref="0x80bb300"/>
+	  <provider ref="0x80bb200"/>
+	  <mode>r0w0e0</mode>
+	  <config>
+	  </config>
+	</consumer>
+	<provider id="0x80bb500">
+	  <geom ref="0x80bb300"/>
+	  <mode>r0w0e0</mode>
+	  <name>da0p2</name>
+	  <mediasize>16384</mediasize>
+	  <sectorsize>512</sectorsize>
+	  <config>
+	    <index>2</index>
+	    <length>16384</length>
+	    <seclength>32</seclength>
+	    <offset>32768</offset>
+	    <secoffset>64</secoffset>
+	  </config>
+	</provider>
+	<provider id="0x80bb480">
+	  <geom ref="0x80bb300"/>
+	  <mode>r0w0e0</mode>
+	  <name>da0p1</name>
+	  <mediasize>32256</mediasize>
+	  <sectorsize>512</sectorsize>
+	  <config>
+	    <index>1</index>
+	    <length>32256</length>
+	    <seclength>63</seclength>
+	    <offset>512</offset>
+	    <secoffset>1</secoffset>
+	  </config>
+	</provider>
+	<provider id="0x80bb400">
+	  <geom ref="0x80bb300"/>
+	  <mode>r0w0e0</mode>
+	  <name>da0p0</name>
+	  <mediasize>366481408</mediasize>
+	  <sectorsize>512</sectorsize>
+	  <config>
+	    <index>0</index>
+	    <length>366481408</length>
+	    <seclength>715784</seclength>
+	    <offset>49152</offset>
+	    <secoffset>96</secoffset>
+	  </config>
+	</provider>
+    </geom>
+  </class>
+  <class id="0x8087000">
+    <name>SIMDISK-class</name>
+    <geom id="0x80bb180">
+      <class ref="0x8087000"/>
+      <name>da0</name>
+      <rank>1</rank>
+	<provider id="0x80bb200">
+	  <geom ref="0x80bb180"/>
+	  <mode>r0w0e0</mode>
+	  <name>da0</name>
+	  <mediasize>366530560</mediasize>
+	  <sectorsize>512</sectorsize>
+	</provider>
+    </geom>
+  </class>
+</mesh>
diff --git a/tools/regression/geom/Test/T015/testprg.c b/tools/regression/geom/Test/T015/testprg.c
new file mode 100644
index 00000000000..cd7f4b8d20e
--- /dev/null
+++ b/tools/regression/geom/Test/T015/testprg.c
@@ -0,0 +1,67 @@
+/*-
+ * Copyright (c) 2002 Poul-Henning Kamp
+ * Copyright (c) 2002 Networks Associates Technology, Inc.
+ * All rights reserved.
+ *
+ * This software was developed for the FreeBSD Project by Poul-Henning Kamp
+ * and NAI Labs, the Security Research Division of Network Associates, Inc.
+ * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
+ * DARPA CHATS research program.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The names of the authors may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <err.h>
+#include <sys/errno.h>
+#include <sys/time.h>
+#include <sys/sbuf.h>
+#include <geom/geom.h>
+
+void *
+thread_sim(void *ptr __unused)
+{
+
+	rattle();
+	g_simdisk_init();
+	g_apple_init();
+	g_dev_init(NULL);
+	rattle();
+
+
+	g_simdisk_xml_load("da0", "../../Data/disk.apple.xml");
+	rattle();
+	conff("1");
+	printf("Done\n");
+	done();
+	return (0);
+}
diff --git a/tools/regression/geom/geom_sim.h b/tools/regression/geom/geom_sim.h
index 175c8d79713..a28d7e77a6d 100644
--- a/tools/regression/geom/geom_sim.h
+++ b/tools/regression/geom/geom_sim.h
@@ -154,6 +154,7 @@ void name##_init(void);				\
 	}
 
 void g_aes_init(void);
+void g_apple_init(void);
 void g_bsd_init(void);
 void g_mbr_init(void);
 void g_mbrext_init(void);