--- trunk/mkinitrd-magellan/livecd/linuxrc.sh	2011/09/07 17:45:14	1514
+++ trunk/mkinitrd-magellan/livecd/linuxrc.sh	2012/04/02 11:39:05	1792
@@ -70,7 +70,16 @@
 # mount essential filesystems
 mount -t proc proc /proc
 mount -t sysfs sysfs /sys
-mount -t tmpfs tmpfs /dev -o rw,mode=0644,size=1024
+if [[ -z $(grep '[[:space:]]/dev[[:space:]]' /proc/mounts | cut -d ' ' -f2) ]]
+then
+	# many video drivers needed exec access
+	fstype=ramfs
+	# tmpfs was suggested by Greg Kroah-Hartman
+	[[ $(grep '[[:space:]]tmpfs' /proc/filesystems | cut -d $'\t' -f2) = tmpfs ]] && fstype=tmpfs
+	# mount devtmpfs if supported
+	[[ $(grep '[[:space:]]devtmpfs' /proc/filesystems | cut -d $'\t' -f2) = devtmpfs ]] && fstype=devtmpfs
+	mount -t ${fstype} dev /dev -o exec,nosuid,mode=0755,size=10M
+fi
 
 # install all busybox applets
 busybox --install -s