Index: sys/cddl/contrib/opensolaris/uts/common/fs/zfs/abd.c
===================================================================
--- sys/cddl/contrib/opensolaris/uts/common/fs/zfs/abd.c
+++ sys/cddl/contrib/opensolaris/uts/common/fs/zfs/abd.c
@@ -148,7 +148,7 @@
  * will cause the machine to panic if you change it and try to access the data
  * within a scattered ABD.
  */
-size_t zfs_abd_chunk_size = 4096;
+size_t zfs_abd_chunk_size = 1024;
 
 #ifdef _KERNEL
 extern vmem_t *zio_alloc_arena;