diff --git a/tests/sys/fs/fusefs/Makefile b/tests/sys/fs/fusefs/Makefile
--- a/tests/sys/fs/fusefs/Makefile
+++ b/tests/sys/fs/fusefs/Makefile
@@ -70,7 +70,7 @@
 TEST_METADATA.ctl+=	is_exclusive="true"
 TEST_METADATA.ctl+=	required_user="root"
 
-TEST_METADATA+=	timeout=10
+TEST_METADATA+=	timeout=20
 TEST_METADATA+=	required_kmods="fusefs"
 
 FUSEFS=		${SRCTOP}/sys/fs/fuse
diff --git a/tests/sys/fs/tarfs/tarfs_test.sh b/tests/sys/fs/tarfs/tarfs_test.sh
--- a/tests/sys/fs/tarfs/tarfs_test.sh
+++ b/tests/sys/fs/tarfs/tarfs_test.sh
@@ -401,7 +401,7 @@
 	atf_set "descr" "Test support for large files"
 	atf_set "require.user" "root"
 	atf_set "require.kmods" "tarfs"
-	atf_set "timeout" "600"
+	atf_set "timeout" "900"
 }
 tarfs_large_body() {
 	tarfs_setup
diff --git a/tests/sys/geom/class/eli/online_resize_test.sh b/tests/sys/geom/class/eli/online_resize_test.sh
--- a/tests/sys/geom/class/eli/online_resize_test.sh
+++ b/tests/sys/geom/class/eli/online_resize_test.sh
@@ -7,6 +7,7 @@
 {
 	atf_set "descr" "online resize of geli providers"
 	atf_set "require.user" "root"
+	atf_set "timeout" 600
 }
 online_resize_body()
 {
diff --git a/tests/sys/geom/class/eli/reentrancy_test.sh b/tests/sys/geom/class/eli/reentrancy_test.sh
--- a/tests/sys/geom/class/eli/reentrancy_test.sh
+++ b/tests/sys/geom/class/eli/reentrancy_test.sh
@@ -42,7 +42,7 @@
 {
 	atf_set "descr" "Initialize a geli provider on top of another"
 	atf_set "require.user" "root"
-	atf_set "timeout" 600
+	atf_set "timeout" 900
 }
 init_body()
 {
diff --git a/tests/sys/kern/jailmeta.sh b/tests/sys/kern/jailmeta.sh
--- a/tests/sys/kern/jailmeta.sh
+++ b/tests/sys/kern/jailmeta.sh
@@ -515,7 +515,7 @@
 	atf_set descr 'Try to stress metadata read/write mechanism with some contention'
 	atf_set require.user root
 	atf_set execenv jail
-	atf_set timeout 30
+	atf_set timeout 60
 }
 keyvalue_stresser()
 {
diff --git a/tests/sys/mac/portacl/Makefile b/tests/sys/mac/portacl/Makefile
--- a/tests/sys/mac/portacl/Makefile
+++ b/tests/sys/mac/portacl/Makefile
@@ -10,7 +10,7 @@
 .for t in ${TAP_TESTS_SH}
 TEST_METADATA.$t+=	required_kmods="mac_portacl"
 TEST_METADATA.$t+=	required_user="root"
-TEST_METADATA.$t+=	timeout="450"
+TEST_METADATA.$t+=	timeout="600"
 TEST_METADATA.$t+=	is_exclusive="true"
 .endfor
 
diff --git a/tests/sys/netpfil/pf/rules_counter.sh b/tests/sys/netpfil/pf/rules_counter.sh
--- a/tests/sys/netpfil/pf/rules_counter.sh
+++ b/tests/sys/netpfil/pf/rules_counter.sh
@@ -153,7 +153,7 @@
 {
 	atf_set descr 'Test keepcounter for values above 32 bits'
 	atf_set require.user root
-	atf_set timeout 900
+	atf_set timeout 1200
 }
 
 4G_body()