diff --git a/sys/arch/aarch64/conf/std.aarch64 b/sys/arch/aarch64/conf/std.aarch64
index 08fc277e047c..809d29e82935 100644
--- a/sys/arch/aarch64/conf/std.aarch64
+++ b/sys/arch/aarch64/conf/std.aarch64
@@ -1,4 +1,4 @@
-#	$NetBSD: std.aarch64,v 1.1 2014/08/10 05:47:37 matt Exp $
+#	$NetBSD: std.aarch64,v 1.2 2015/05/07 19:14:56 mrg Exp $
 #
 # standard NetBSD/aarch64 options
 
@@ -8,3 +8,6 @@ options 	MULTIPROCESSOR
 
 options 	EXEC_ELF64
 options 	EXEC_SCRIPT
+
+options 	CHILD_MAX=1024	# 160 is too few
+options 	OPEN_MAX=1024	# 128 is too few
diff --git a/sys/arch/amd64/conf/std.amd64 b/sys/arch/amd64/conf/std.amd64
index 0692dd2adb53..3c2825483f2d 100644
--- a/sys/arch/amd64/conf/std.amd64
+++ b/sys/arch/amd64/conf/std.amd64
@@ -1,4 +1,4 @@
-# $NetBSD: std.amd64,v 1.9 2012/09/27 18:28:55 alnsn Exp $
+# $NetBSD: std.amd64,v 1.10 2015/05/07 19:14:55 mrg Exp $
 #
 # standard, required NetBSD/amd64 'options'
 
@@ -11,6 +11,9 @@ options 	EXEC_SCRIPT	# exec #! scripts
 options 	MTRR
 options		MULTIPROCESSOR
 
+options 	CHILD_MAX=1024	# 160 is too few
+options 	OPEN_MAX=1024	# 128 is too few
+
 mainbus0 at root
 cpu* at mainbus?
 ioapic* at mainbus? apid ?
diff --git a/sys/arch/evbarm/conf/std.evbarm b/sys/arch/evbarm/conf/std.evbarm
index 84c8aa444f47..7ce68e3b969c 100644
--- a/sys/arch/evbarm/conf/std.evbarm
+++ b/sys/arch/evbarm/conf/std.evbarm
@@ -1,4 +1,4 @@
-#	$NetBSD: std.evbarm,v 1.3 2012/12/16 20:43:54 matt Exp $
+#	$NetBSD: std.evbarm,v 1.4 2015/05/07 19:14:56 mrg Exp $
 
 include		"conf/std"
 include		"arch/arm/conf/std.arm"	# arch standard options
@@ -6,3 +6,6 @@ include		"arch/arm/conf/std.arm"	# arch standard options
 options 	EXEC_ELF32
 options 	EXEC_SCRIPT
 options 	ARM32
+
+options 	CHILD_MAX=1024	# 160 is too few
+options 	OPEN_MAX=1024	# 128 is too few
diff --git a/sys/arch/evbarm64/conf/std.evbarm64 b/sys/arch/evbarm64/conf/std.evbarm64
index bb16c28fa8ae..c2f4c16098b7 100644
--- a/sys/arch/evbarm64/conf/std.evbarm64
+++ b/sys/arch/evbarm64/conf/std.evbarm64
@@ -1,4 +1,7 @@
-#	$NetBSD: std.evbarm64,v 1.1 2014/08/10 05:47:38 matt Exp $
+#	$NetBSD: std.evbarm64,v 1.2 2015/05/07 19:14:56 mrg Exp $
 
 include		"conf/std"
 include		"arch/aarch64/conf/std.aarch64"	# arch standard options
+
+options 	CHILD_MAX=1024	# 160 is too few
+options 	OPEN_MAX=1024	# 128 is too few
diff --git a/sys/arch/i386/conf/std.i386 b/sys/arch/i386/conf/std.i386
index b5d2154e30d1..11f6ebeb9b29 100644
--- a/sys/arch/i386/conf/std.i386
+++ b/sys/arch/i386/conf/std.i386
@@ -1,4 +1,4 @@
-# $NetBSD: std.i386,v 1.33 2012/09/27 18:28:55 alnsn Exp $
+# $NetBSD: std.i386,v 1.34 2015/05/07 19:14:55 mrg Exp $
 #
 # standard, required NetBSD/i386 'options'
 
@@ -16,6 +16,9 @@ options 	EXEC_SCRIPT	# exec #! scripts
 options		MULTIPROCESSOR		# multiprocessor support
 options 	MPBIOS			# configure CPUs and APICs using MPBIOS
 
+options 	CHILD_MAX=1024	# 160 is too few
+options 	OPEN_MAX=1024	# 128 is too few
+
 mainbus0 at root
 cpu* at mainbus?
 ioapic* at mainbus?
diff --git a/sys/arch/sparc64/conf/std.sparc64 b/sys/arch/sparc64/conf/std.sparc64
index 11570eaf8947..7a6cc7ab571c 100644
--- a/sys/arch/sparc64/conf/std.sparc64
+++ b/sys/arch/sparc64/conf/std.sparc64
@@ -1,4 +1,4 @@
-#	$NetBSD: std.sparc64,v 1.18 2008/12/11 05:42:18 alc Exp $
+#	$NetBSD: std.sparc64,v 1.19 2015/05/07 19:14:56 mrg Exp $
 
 #
 # Mandatory NetBSD/sparc64 kernel options when building either 32-bit or
@@ -16,5 +16,8 @@ options 	EXEC_ELF64	# 64-bit NetBSD and SunOS 5 bins
 
 options		CPU_IN_CKSUM	# use optimized checksum method
 
+options 	CHILD_MAX=1024	# 160 is too few
+options 	OPEN_MAX=1024	# 128 is too few
+
 # Atheros HAL options
 include "external/isc/atheros_hal/conf/std.ath_hal"
diff --git a/sys/arch/sparc64/conf/std.sparc64-32 b/sys/arch/sparc64/conf/std.sparc64-32
index 4cc34bfb77de..12d0e94a6fda 100644
--- a/sys/arch/sparc64/conf/std.sparc64-32
+++ b/sys/arch/sparc64/conf/std.sparc64-32
@@ -1,4 +1,4 @@
-#	$NetBSD: std.sparc64-32,v 1.3 2008/12/11 15:11:57 nakayama Exp $
+#	$NetBSD: std.sparc64-32,v 1.4 2015/05/07 19:14:56 mrg Exp $
 
 #
 # Unneeded NetBSD/sparc64 kernel options when building 32-bit kernels.
@@ -10,3 +10,6 @@ no makeoptions	LP64
 makeoptions	LP64="no"
 
 no options 	EXEC_ELF64
+
+options 	CHILD_MAX=1024	# 160 is too few
+options 	OPEN_MAX=1024	# 128 is too few