mknod /dev/lpro_aio b 1 0 # assuming major 1, minor 0 Fix 1: Rebuild Kernel with Ramdisk Support Device Drivers → Block devices → RAM block device support Set default number of ramdisks (e.g., 16) Set default ramdisk size (e.g., 64 MB) Fix 2: Fix Device Tree / Platform Code Add the reserved memory node and ensure the driver binds to it. If driver uses platform_driver_register() , check of_match_table . Fix 3: Modify Initramfs Script Change from:
, capture the full boot log and check if a vendor recovery procedure exists (e.g., USB firmware restoration, JTAG reflash). lpro aio ramdisk device not registered
# Wait for device (up to 5 seconds) for i in 1 2 3 4 5; do if [ -e /dev/lpro_aio ]; then break fi sleep 1 done if [ ! -e /dev/lpro_aio ]; then echo "Still missing, trying manual modprobe" modprobe lpro_aio sleep 1 [ ! -e /dev/lpro_aio ] && echo "Fatal: lpro aio ramdisk not registered" fi In the initramfs: mknod /dev/lpro_aio b 1 0 # assuming major
if [ ! -e /dev/lpro_aio ]; then echo "lpro aio ramdisk device not registered" exit 1 fi To: # Wait for device (up to 5 seconds)
mknod /dev/lpro_aio b 1 0 # assuming major 1, minor 0 Fix 1: Rebuild Kernel with Ramdisk Support Device Drivers → Block devices → RAM block device support Set default number of ramdisks (e.g., 16) Set default ramdisk size (e.g., 64 MB) Fix 2: Fix Device Tree / Platform Code Add the reserved memory node and ensure the driver binds to it. If driver uses platform_driver_register() , check of_match_table . Fix 3: Modify Initramfs Script Change from:
, capture the full boot log and check if a vendor recovery procedure exists (e.g., USB firmware restoration, JTAG reflash).
# Wait for device (up to 5 seconds) for i in 1 2 3 4 5; do if [ -e /dev/lpro_aio ]; then break fi sleep 1 done if [ ! -e /dev/lpro_aio ]; then echo "Still missing, trying manual modprobe" modprobe lpro_aio sleep 1 [ ! -e /dev/lpro_aio ] && echo "Fatal: lpro aio ramdisk not registered" fi In the initramfs:
if [ ! -e /dev/lpro_aio ]; then echo "lpro aio ramdisk device not registered" exit 1 fi To: