diff --git a/examples/dperf/run.sh b/examples/dperf/run.sh
index afa0271d2..7be0aa336 100755
--- a/examples/dperf/run.sh
+++ b/examples/dperf/run.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./example-dperf -c1 -n1 --socket-mem 64 --no-shconf "$@"
+sudo ./example-dperf -c1 -n1 --socket-mem 256 --no-shconf "$@"
diff --git a/examples/firewall/run.sh b/examples/firewall/run.sh
index 012344fa8..8b3e52b46 100755
--- a/examples/firewall/run.sh
+++ b/examples/firewall/run.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./example-firewall -c1 -n1 --socket-mem 64 --no-shconf "$@"
+sudo ./example-firewall -c1 -n1 --socket-mem 256 --no-shconf "$@"
diff --git a/examples/nic/run.sh b/examples/nic/run.sh
index 5578196f1..c416a9111 100755
--- a/examples/nic/run.sh
+++ b/examples/nic/run.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./example-nic -c1 -n1 --socket-mem 64 --no-shconf "$@"
+sudo ./example-nic -c1 -n1 --socket-mem 256 --no-shconf "$@"
diff --git a/examples/rxtx/run.sh b/examples/rxtx/run.sh
index 82d643a55..55fec4c69 100755
--- a/examples/rxtx/run.sh
+++ b/examples/rxtx/run.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./example-rxtx -c1 -n1 --socket-mem 64 --no-shconf "$@"
+sudo ./example-rxtx -c1 -n1 --socket-mem 256 --no-shconf "$@"
diff --git a/examples/switch/run.sh b/examples/switch/run.sh
index 351c77ca9..360847eb0 100755
--- a/examples/switch/run.sh
+++ b/examples/switch/run.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./example-switch -c1 -n1 --socket-mem 64 --no-shconf -- "$@"
+sudo ./example-switch -c1 -n1 --socket-mem 256 --no-shconf -- "$@"
diff --git a/examples/switch/run_vhost.sh b/examples/switch/run_vhost.sh
index eb5c4aefa..e1ca1bd56 100755
--- a/examples/switch/run_vhost.sh
+++ b/examples/switch/run_vhost.sh
@@ -130,7 +130,7 @@ check_bin ssh -V
 check_bin sudo qemu-system-x86_64 -h
 check_bin sudo socat -h
 
-sudo ./example-switch -c1 -n1 --socket-mem 64 --no-shconf -- --vhost 2 "$@" &
+sudo ./example-switch -c1 -n1 --socket-mem 256 --no-shconf -- --vhost 2 "$@" &
 example_pid=$!
 sleep 10
 qemu_start 1
diff --git a/src/utils/qemu.c b/src/utils/qemu.c
index 1445037af..19ae5b395 100644
--- a/src/utils/qemu.c
+++ b/src/utils/qemu.c
@@ -25,7 +25,7 @@
 #include "utils/common.h"
 
 #ifndef PG_QEMU_MEM_SIZE
-#define PG_QEMU_MEM_SIZE "128M"
+#define PG_QEMU_MEM_SIZE "256M"
 #endif
 
 int pg_util_cmdloop(const char *cmd, int timeout_s)
diff --git a/tests/accumulator/bench.sh b/tests/accumulator/bench.sh
index cd0bad12f..9c725af97 100755
--- a/tests/accumulator/bench.sh
+++ b/tests/accumulator/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-accumulator -c1 -n1 --socket-mem 64 --no-shconf -- $@
+sudo ./bench-accumulator -c1 -n1 --socket-mem 256 --no-shconf -- $@
diff --git a/tests/accumulator/test.sh b/tests/accumulator/test.sh
index 0cdb5d5b2..71ac9f374 100755
--- a/tests/accumulator/test.sh
+++ b/tests/accumulator/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-accumulator -c1 -n1 --socket-mem 64 --no-shconf
+sudo ./tests-accumulator -c1 -n1 --socket-mem 256 --no-shconf
diff --git a/tests/antispoof/bench.sh b/tests/antispoof/bench.sh
index fe0c6cacf..677691546 100755
--- a/tests/antispoof/bench.sh
+++ b/tests/antispoof/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-antispoof -c1 -n1 --socket-mem 64 --no-shconf -- "$@"
+sudo ./bench-antispoof -c1 -n1 --socket-mem 256 --no-shconf -- "$@"
diff --git a/tests/antispoof/test.sh b/tests/antispoof/test.sh
index d08343ca5..46c13c0ee 100755
--- a/tests/antispoof/test.sh
+++ b/tests/antispoof/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-antispoof -c1 -n1 --socket-mem 64 --no-shconf
+sudo ./tests-antispoof -c1 -n1 --socket-mem 256 --no-shconf
diff --git a/tests/core/bench.sh b/tests/core/bench.sh
index fac6aaad5..d9b4bc3e8 100755
--- a/tests/core/bench.sh
+++ b/tests/core/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-core -c1 -n1 --socket-mem 64 --no-shconf -- "$@"
+sudo ./bench-core -c1 -n1 --socket-mem 256 --no-shconf -- "$@"
diff --git a/tests/core/test.sh b/tests/core/test.sh
index 721f3ce4c..8b3121747 100755
--- a/tests/core/test.sh
+++ b/tests/core/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-core -c1 -n1 --socket-mem 64 --no-shconf
+sudo ./tests-core -c1 -n1 --socket-mem 256 --no-shconf
diff --git a/tests/diode/bench.sh b/tests/diode/bench.sh
index e30954b06..1845b696a 100755
--- a/tests/diode/bench.sh
+++ b/tests/diode/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-diode -c1 -n1 --socket-mem 64 --no-shconf -- "$@"
+sudo ./bench-diode -c1 -n1 --socket-mem 256 --no-shconf -- "$@"
diff --git a/tests/diode/test.sh b/tests/diode/test.sh
index b23da7386..abce81b54 100755
--- a/tests/diode/test.sh
+++ b/tests/diode/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-diode -c1 -n1 --socket-mem 64 --no-shconf
+sudo ./tests-diode -c1 -n1 --socket-mem 256 --no-shconf
diff --git a/tests/firewall/bench.sh b/tests/firewall/bench.sh
index 867b0bf92..03d935a9d 100755
--- a/tests/firewall/bench.sh
+++ b/tests/firewall/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-firewall -c1 -n1 --socket-mem 64 --no-shconf -- "$@"
+sudo ./bench-firewall -c1 -n1 --socket-mem 256 --no-shconf -- "$@"
diff --git a/tests/firewall/test.sh b/tests/firewall/test.sh
index 28408e947..5543a2f9c 100755
--- a/tests/firewall/test.sh
+++ b/tests/firewall/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-firewall -c1 -n1 --socket-mem 64 --no-shconf
+sudo ./tests-firewall -c1 -n1 --socket-mem 256 --no-shconf
diff --git a/tests/integration/test.sh b/tests/integration/test.sh
index 4b1c0ea0c..9701e6558 100755
--- a/tests/integration/test.sh
+++ b/tests/integration/test.sh
@@ -77,5 +77,5 @@ if [  "$NB_HUGE" -lt 1 ]; then
 fi
 
 # Launch test
-sudo ./tests-integration -c1 -n1 --socket-mem 64 -- -vm vm.qcow -vm-key vm.rsa -hugepages /mnt/huge
+sudo ./tests-integration -c1 -n1 --socket-mem 256 -- -vm vm.qcow -vm-key vm.rsa -hugepages /mnt/huge
 
diff --git a/tests/nic/bench.sh b/tests/nic/bench.sh
index 6a98c94c5..5212f610f 100755
--- a/tests/nic/bench.sh
+++ b/tests/nic/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-nic -c1 -n1 --socket-mem 64 --no-shconf -- "$@"
+sudo ./bench-nic -c1 -n1 --socket-mem 256 --no-shconf -- "$@"
diff --git a/tests/nic/test.sh b/tests/nic/test.sh
index 57c2c541b..e26fb1c28 100755
--- a/tests/nic/test.sh
+++ b/tests/nic/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-nic -c1 -n1 --socket-mem 64 --no-shconf --vdev=eth_ring0
+sudo ./tests-nic -c1 -n1 --socket-mem 256 --no-shconf --vdev=eth_ring0
diff --git a/tests/pmtud/bench.sh b/tests/pmtud/bench.sh
index 7a4aaa096..39304f9f2 100755
--- a/tests/pmtud/bench.sh
+++ b/tests/pmtud/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-pmtud -c1 -n1 --socket-mem 64 --no-shconf -- "$@"
+sudo ./bench-pmtud -c1 -n1 --socket-mem 256 --no-shconf -- "$@"
diff --git a/tests/pmtud/test.sh b/tests/pmtud/test.sh
index 5518cf133..a95de2967 100755
--- a/tests/pmtud/test.sh
+++ b/tests/pmtud/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-pmtud -c1 -n1 --socket-mem 64 --no-shconf
+sudo ./tests-pmtud -c1 -n1 --socket-mem 256 --no-shconf
diff --git a/tests/print/bench.sh b/tests/print/bench.sh
index 82baed29d..05278bf99 100755
--- a/tests/print/bench.sh
+++ b/tests/print/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-print -c1 -n1 --socket-mem 64 --no-shconf -- "$@" 2> /dev/null
+sudo ./bench-print -c1 -n1 --socket-mem 256 --no-shconf -- "$@" 2> /dev/null
diff --git a/tests/print/test.sh b/tests/print/test.sh
index 94c314f26..554f57230 100755
--- a/tests/print/test.sh
+++ b/tests/print/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-print -c1 -n1 --socket-mem 64 --no-shconf
+sudo ./tests-print -c1 -n1 --socket-mem 256 --no-shconf
diff --git a/tests/queue/bench.sh b/tests/queue/bench.sh
index 70b19699d..ffbadbb6c 100755
--- a/tests/queue/bench.sh
+++ b/tests/queue/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-queue -c1 -n1 --socket-mem 64 --no-shconf -- "$@"
+sudo ./bench-queue -c1 -n1 --socket-mem 256 --no-shconf -- "$@"
diff --git a/tests/queue/test.sh b/tests/queue/test.sh
index 4197467d0..99fd2a982 100755
--- a/tests/queue/test.sh
+++ b/tests/queue/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-queue -c1 -n1 --socket-mem 64 --no-shconf
+sudo ./tests-queue -c1 -n1 --socket-mem 256 --no-shconf
diff --git a/tests/rxtx/bench.sh b/tests/rxtx/bench.sh
index f001e5e4e..93d42688c 100755
--- a/tests/rxtx/bench.sh
+++ b/tests/rxtx/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-rxtx -c1 -n1 --socket-mem 64 --no-shconf -- "$@"
+sudo ./bench-rxtx -c1 -n1 --socket-mem 256 --no-shconf -- "$@"
diff --git a/tests/rxtx/test.sh b/tests/rxtx/test.sh
index a070692e2..e2dd25d3b 100755
--- a/tests/rxtx/test.sh
+++ b/tests/rxtx/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-rxtx -c1 -n1 --socket-mem 64 --no-shconf
+sudo ./tests-rxtx -c1 -n1 --socket-mem 256 --no-shconf
diff --git a/tests/switch/bench.sh b/tests/switch/bench.sh
index a0029dc51..2c4946078 100755
--- a/tests/switch/bench.sh
+++ b/tests/switch/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-switch -c1 -n1 --socket-mem 64 --no-shconf -- "$@"
+sudo ./bench-switch -c1 -n1 --socket-mem 256 --no-shconf -- "$@"
diff --git a/tests/switch/test.sh b/tests/switch/test.sh
index c4d2af9c8..0dc8ee1af 100755
--- a/tests/switch/test.sh
+++ b/tests/switch/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-switch -c1 -n1 --socket-mem 64 --no-shconf
+sudo ./tests-switch -c1 -n1 --socket-mem 256 --no-shconf
diff --git a/tests/tap/bench.sh b/tests/tap/bench.sh
index 0a900e161..3a5cc2975 100755
--- a/tests/tap/bench.sh
+++ b/tests/tap/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-tap -c1 -n1 --socket-mem 64 --no-shconf -- "$@"
+sudo ./bench-tap -c1 -n1 --socket-mem 256 --no-shconf -- "$@"
diff --git a/tests/tap/test.sh b/tests/tap/test.sh
index 615019e6e..0d6e4ded5 100755
--- a/tests/tap/test.sh
+++ b/tests/tap/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-tap -c1 -n1 --socket-mem 64 --no-shconf
+sudo ./tests-tap -c1 -n1 --socket-mem 256 --no-shconf
diff --git a/tests/thread/test.sh b/tests/thread/test.sh
index b6de473fb..218074cb4 100755
--- a/tests/thread/test.sh
+++ b/tests/thread/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-thread --socket-mem 64 --no-shconf
+sudo ./tests-thread --socket-mem 256 --no-shconf
diff --git a/tests/udp-filter/test.sh b/tests/udp-filter/test.sh
index 964563e97..bf5ce2284 100755
--- a/tests/udp-filter/test.sh
+++ b/tests/udp-filter/test.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./tests-udp-filter -c1 -n1 --socket-mem 64 --no-shconf
+sudo ./tests-udp-filter -c1 -n1 --socket-mem 256 --no-shconf
diff --git a/tests/vhost/bench.sh b/tests/vhost/bench.sh
index f2d5b4d65..ef745dcd7 100755
--- a/tests/vhost/bench.sh
+++ b/tests/vhost/bench.sh
@@ -77,4 +77,4 @@ if [  "$NB_HUGE" -lt 1 ]; then
 fi
 
 # Launch test
-sudo ./bench-vhost -c1 -n1 --socket-mem 64 -- -vm vm.qcow -vm-key vm.rsa -hugepages /mnt/huge "$@"
+sudo ./bench-vhost -c1 -n1 --socket-mem 256 -- -vm vm.qcow -vm-key vm.rsa -hugepages /mnt/huge "$@"
diff --git a/tests/vhost/test.sh b/tests/vhost/test.sh
index 033e205b6..b257af014 100755
--- a/tests/vhost/test.sh
+++ b/tests/vhost/test.sh
@@ -77,5 +77,5 @@ if [  "$NB_HUGE" -lt 1 ]; then
 fi
 
 # Launch test
-sudo ./tests-vhost -c1 -n1 --socket-mem 64 -- -vm vm.qcow -vm-key vm.rsa -hugepages /mnt/huge
+sudo ./tests-vhost -c1 -n1 --socket-mem 256 -- -vm vm.qcow -vm-key vm.rsa -hugepages /mnt/huge
 
diff --git a/tests/vtep/bench.sh b/tests/vtep/bench.sh
index 8ebeebaea..5c38c49aa 100755
--- a/tests/vtep/bench.sh
+++ b/tests/vtep/bench.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-sudo ./bench-vtep -c1 -n1 --socket-mem 64 --no-shconf -- "$@"
+sudo ./bench-vtep -c1 -n1 --socket-mem 256 --no-shconf -- "$@"