diff --git a/src/rootfsinstall.sh b/src/rootfsinstall.sh
index 13649d3..3b1f63a 100755
--- a/src/rootfsinstall.sh
+++ b/src/rootfsinstall.sh
@@ -452,14 +452,16 @@ if [ "$SETHOSTNAME" ]; then
 fi
 
 if [ "$INSTALLPACKAGES" -a "$LOCALONLY" != "1" -a ! "${IMAGEMODE}" ]; then
-   mv $ROOTMP/etc/resolv.conf $ROOTMP/etc/resolv.conf.rootfsinstall
-   cp /etc/resolv.conf $ROOTMP/etc/resolv.conf
+   if [ ! -L $ROOTMP/etc/resolv.conf ]; then
+      mv $ROOTMP/etc/resolv.conf $ROOTMP/etc/resolv.conf.rootfsinstall
+      cp /etc/resolv.conf $ROOTMP/etc/resolv.conf
+   fi
    chroot $ROOTMP bash -c /etc/profile.d/gpg-key-openmamba.sh
    #chroot $ROOTMP smart channel --enable devel-kernel
    chroot $ROOTMP rpm --rebuilddb || {
       echo "ERROR: error running chroot command 'rpm --rebuilddb'; aborting."
       exit 1
-   }   
+   }
    chroot $ROOTMP dnf update --nogpgcheck -y || {
       echo "ERROR: error running chroot command 'dnf update --nogpgcheck -y'; aborting."
       exit 1
@@ -470,7 +472,7 @@ if [ "$INSTALLPACKAGES" -a "$LOCALONLY" != "1" -a ! "${IMAGEMODE}" ]; then
       exit 1
    }
    #chroot $ROOTMP smart channel --disable devel-kernel
-   mv $ROOTMP/etc/resolv.conf.rootfsinstall $ROOTMP/etc/resolv.conf
+   [ -e $ROOTMP/etc/resolv.conf.rootfsinstall ] && mv $ROOTMP/etc/resolv.conf.rootfsinstall $ROOTMP/etc/resolv.conf
 fi
 
 if [ "$REMOVEPACKAGES" -a ! "${IMAGEMODE}" ]; then
@@ -599,7 +601,10 @@ framebuffer_ignore_alpha=1
 dtparam=audio=on" > $BOOTMP/config.txt
 
    if [ "$TARGETDEVICE" = "rpi64" ]; then
-      echo "arm_64bit=1" >> $BOOTMP/config.txt
+      echo "\
+gpu_mem=128
+dtoverlay=vc4-fkms-v3d
+arm_64bit=1" >> $BOOTMP/config.txt
    fi
    ## Enable HDMI mode rather than DVI, if required
    #echo "\