X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=components%2F9990-main.sh;h=7fb7ed367513e392fae554e6568322785920725c;hb=HEAD;hp=b50952fe1af877a9657882ddcc8130f0c3942c12;hpb=9b976b577df4fe25e8affc3d54c0936f96bc0c7f;p=live-boot-grml.git

diff --git a/components/9990-main.sh b/components/9990-main.sh
index b50952f..063445b 100755
--- a/components/9990-main.sh
+++ b/components/9990-main.sh
@@ -52,28 +52,58 @@ Live ()
 		else
 			if [ -x /usr/bin/memdiskfind ]
 			then
-				if MEMDISK=$(/usr/bin/memdiskfind)
+				if ! dd if=/dev/mem of=/dev/zero bs=1 count=1 >/dev/null 2>&1
 				then
-					# We found a memdisk, set up phram
-					# Sometimes "modprobe phram" can not successfully create /dev/mtd0.
-				        # Have to try several times.
-					max_try=20
-					while [ ! -c /dev/mtd0 ] && [ "$max_try" -gt 0 ]; do
-					  modprobe phram "phram=memdisk,${MEMDISK}"
-					  sleep 0.2
-					  if [ -c /dev/mtd0 ]; then
-					  	break
-					  else
-					  	rmmod phram
-				  	  fi
-					  max_try=$((max_try - 1))
-					done
-
-					# Load mtdblock, the memdisk will be /dev/mtdblock0
-					modprobe mtdblock
+					log_begin_msg "access to /dev/mem is restriced, skipping memdiskfind"
+					log_end_msg
+				else
+					if MEMDISK=$(/usr/bin/memdiskfind)
+					then
+						# We found a memdisk, set up phram
+						# Sometimes "modprobe phram" can not successfully create /dev/mtd0.
+						# Have to try several times.
+						max_try=20
+						while [ ! -c /dev/mtd0 ] && [ "$max_try" -gt 0 ]; do
+						  modprobe phram "phram=memdisk,${MEMDISK}"
+						  sleep 0.2
+						  if [ -c /dev/mtd0 ]; then
+							break
+						  else
+							rmmod phram
+						  fi
+						  max_try=$((max_try - 1))
+						done
+
+						# Load mtdblock, the memdisk will be /dev/mtdblock0
+						modprobe mtdblock
+					fi
 				fi
 			fi
 
+			# If the live media location is given via command line and access to it
+			# involves LVM volumes, the corresponding volumes need to be activated.
+			IFS=','
+			for dev in $(echo "$LIVE_MEDIA")
+			do
+				case "$dev" in
+				/dev/mapper/*)
+					eval $(dmsetup splitname --nameprefixes --noheadings --rows "${dev#/dev/mapper/}")
+					if [ "$DM_VG_NAME" ] && [ "$DM_LV_NAME" ]
+					then
+						lvm lvchange -aay -y --sysinit --ignoreskippedcluster "$DM_VG_NAME/$DM_LV_NAME"
+					fi
+					;;
+				/dev/*/*)
+					# Could be /dev/VG/LV; use lvs to check
+					if lvm lvs -- "$dev" >/dev/null 2>&1
+					then
+						lvm lvchange -aay -y --sysinit --ignoreskippedcluster "$dev"
+					fi
+					;;
+				esac
+			done
+			unset IFS
+
 			# Scan local devices for the image
 			i=0
 			while [ "$i" -lt 60 ]
@@ -205,10 +235,15 @@ Live ()
 	mount --rbind /run/live "${rootmnt}/lib/live/mount"
 
 	Fstab
-	Netbase
 
 	Swap
 
+	if grep -q debian_networking /proc/cmdline ; then
+		Netbase
+	else
+		Grml_Networking
+	fi
+
 	exec 1>&6 6>&-
 	exec 2>&7 7>&-
 	kill ${tailpid}