--- wikisrc/users/haad/Attic/porting_zfs.mdwn	2009/10/24 00:04:44	1.5
+++ wikisrc/users/haad/Attic/porting_zfs.mdwn	2009/11/12 00:08:15	1.8
@@ -55,15 +55,9 @@ After creating ZVOLS and filesystem they
 ## Show stoppers 
 
 ### amd64
-* amd64 zio_root crash
-Investigation 
-vdev_label_read_config -> zio_root calls zio_wait on a zio_root zio_t. Later zio_execute tries to generate 			
-checksum on zio->zio_data which is NULL for a zio_root. Is this ressurrection of andys zio_null problem ? 
-because zio_root is basicaly zio_null.
-		
- Solution
- What is difference between i386 and amd64 version why it is working on i386 and not on a amd64 that can be
- solution.
+
+amd64 related panic was fixed in version 1.1 of sys/arch/amd64/include/Makefile.inc by adding -mno-red-zone flag to amd64 modules build flags.
+
 ### i386 
 
 ### Both 
@@ -91,4 +85,7 @@ because zio_root is basicaly zio_null.
 * Snapshots
 * Permissions
 * Old code, we should update NetBSD zfs port to new code
-* More tasks can be found at [http://nxr.netbsd.org/xref/src/external/cddl/osnet/TODO]
+* More tasks can be found at <http://nxr.netbsd.org/xref/src/external/cddl/osnet/TODO>
+
+# External Documentation links
+Nice zfs howto written for zfs + mac os x <http://code.google.com/p/maczfs/wiki/GettingStarted>