fake:

target/bootdisk/build_stage2.sh

@@ -111,7 +111,7 @@ tar -czf ../2nd_stage.tar.gz * ; cd ..
 
 echo_header "Creating small 2nd stage filesystem:"
 mkdir -p 2nd_stage_small ; cd 2nd_stage_small
-mkdir -p dev proc tmp bin lib etc share
+mkdir -p dev proc sys tmp bin lib etc share
 mkdir -p mnt/source mnt/target
 ln -s bin sbin ; ln -s . usr
 

target/bootdisk/linuxrc.c

@@ -611,9 +611,6 @@ int main()
 	if ( mount("none", "/dev", "devfs", 0, NULL) && errno != EBUSY )
 		perror("Can't mount /dev");
 
-	if ( mount("none", "/sys", "sysfs", 0, NULL) && errno != EBUSY )
-		perror("Can't mount /sys (not fatal)");
-
 	if ( mount("none", "/proc", "proc", 0, NULL) && errno != EBUSY )
 		perror("Can't mount /proc");
 

target/bootdisk/linuxrc2.sh

@@ -10,6 +10,7 @@ else
 	done
 fi
 grep -v "^rootfs " /proc/mounts > /etc/mtab
+mount -t sysfs none /sys
 freeramdisk /dev/rd/* 2> /dev/null
 
 mkdir -p /lib/modules/$( uname -r )