1 files changed, 4 insertions, 3 deletions

diff --git a/scripts/runqemu-internal b/scripts/runqemu-internal
index e3b0729030..08931074ec 100755
--- a/scripts/runqemu-internal
+++ b/scripts/runqemu-internal
@@ -388,6 +388,7 @@ fi
 
 if [ "$MACHINE" = "qemux86-64" ]; then
     QEMU=qemu-system-x86_64
+    CPU_SUBTYPE=core2duo
     if [ ! -z "$vga_option" ]; then
         QEMU_UI_OPTIONS="$QEMU_UI_OPTIONS"
     else
@@ -395,7 +396,7 @@ if [ "$MACHINE" = "qemux86-64" ]; then
     fi
     if [ "${FSTYPE:0:3}" = "ext" -o "$FSTYPE" = "btrfs" ]; then
         KERNCMDLINE="vga=0 uvesafb.mode_option=640x480-32 root=$DROOT rw mem=$QEMU_MEMORY $KERNEL_NETWORK_CMD"
-        QEMUOPTIONS="$QEMU_NETWORK_CMD $ROOTFS_OPTIONS $QEMU_UI_OPTIONS"
+        QEMUOPTIONS="$QEMU_NETWORK_CMD -cpu $CPU_SUBTYPE $ROOTFS_OPTIONS $QEMU_UI_OPTIONS"
     fi
     if [ "$FSTYPE" = "nfs" ]; then
         if [ "x$ROOTFS" = "x" ]; then
@@ -407,10 +408,10 @@ if [ "$MACHINE" = "qemux86-64" ]; then
             return 1
         fi
         KERNCMDLINE="root=/dev/nfs nfsroot=$NFS_SERVER:$NFS_DIR,$UNFS_OPTS rw $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY"
-        QEMUOPTIONS="$QEMU_NETWORK_CMD $QEMU_UI_OPTIONS"
+        QEMUOPTIONS="$QEMU_NETWORK_CMD -cpu $CPU_SUBTYPE $QEMU_UI_OPTIONS"
     fi
     if [ "$FSTYPE" = "vmdk" ]; then
-        QEMUOPTIONS="$QEMU_NETWORK_CMD $QEMU_UI_OPTIONS"
+        QEMUOPTIONS="$QEMU_NETWORK_CMD -cpu $CPU_SUBTYPE $QEMU_UI_OPTIONS"
     fi
     # Currently oprofile's event based interrupt mode doesn't work(Bug #828) in
     # qemux86 and qemux86-64. We can use timer interrupt mode for now.