--- a/make/common/shared/Platform.gmk	Wed Jan 04 11:22:55 2012 -0800
+++ b/make/common/shared/Platform.gmk	Wed Jan 04 17:32:46 2012 -0800
@@ -170,8 +170,8 @@ ifeq ($(SYSTEM_UNAME), SunOS)
   else
     REQUIRED_OS_VERSION = 5.8
   endif
-  # How much RAM does this machine have:
-  MB_OF_MEMORY=$(shell /usr/sbin/prtconf | fgrep 'Memory size:' | expand | cut -d' ' -f3)
+  # How much RAM does this machine have (zones send an error to stderr):
+  MB_OF_MEMORY:=$(shell /usr/sbin/prtconf 2>/dev/null | fgrep 'Memory size:' | expand | cut -d' ' -f3)
 endif
 
 # Platform settings specific to Linux