When we create a file on the booted board and reboot the file
doesn't persist.
Environment:
OpenWRT branch "Barrier Breaker" on Annapurna board, with
ALpine-v1(soc) is having NOR flash(MX25U25635F) 32MB
I think mounting of rootfs_data type jffs2 is not happening in Preinit!
<kernel boot-log>
[ 587.597297] m25p80 spi0.0: found mx25u25635f, expected
spi_flash_jedec_detection
[ 587.604693] m25p80 spi0.0: mx25u25635f (32768 Kbytes)
[ 587.609753] 5 ofpart partitions found on MTD device spi0.0
[ 587.615233] Creating 5 MTD partitions on "spi0.0":
[ 587.620016] 0x000000000000-0x000000200000 : "al_boot"
[ 587.625421] 0x000000200000-0x000000300000 : "device_tree"
[ 587.631148] 0x000000300000-0x000000b00000 : "Kernel"
[ 587.636431] 0x000000b00000-0x000001b00000 : "rootfs"
[ 587.641697] mtd: device 3 (rootfs) set to be root filesystem
[ 587.647420] mtd: partition "rootfs_data" created automatically,
ofs=0xf50000, len=0xbb0000
[ 587.655672] 0x000000f50000-0x000001b00000 : "rootfs_data"
[ 587.661381] 0x000001b00000-0x000002000000 : "storage"
.
.
[ 588.517726] Freeing unused kernel memory: 10912K (c06af000 - c1157000)
procd: Console is alive
procd: - watchdog -
procd: - preinit -
Press the [f] key and hit [enter] to enter failsafe mode
Press the [1], [2], [3] or [4] key and hit [enter] to select the debug level
procd: - early -
procd: - watchdog -
procd: - ubus -
procd: - init -
Please press Enter to activate this console.
[ 593.780917] configured MAC to RGMII mode:
[ 593.785404] al_eth 0000:00:01.0 eth1: using MSI-X per Queue
interrupt mode
[ 593.793270] libphy: al mdio bus: probed
</kernel boot-log>
Kernel command line: root=/dev/mtdblock3 rootfstype=squashfs,jffs2
noinitrd pci=pcie_bus_perf console=ttyS0,115200
df -h
Filesystem Size Used Available Use% Mounted on
tmpfs 250.1M 48.0K 250.0M 0% /tmp
tmpfs 512.0K 0 512.0K 0% /dev
root@OpenWrt:/lib/modules/3.10.20# mount
rootfs on / type rootfs (rw)
proc on /proc type proc (rw,noatime)
sysfs on /sys type sysfs (rw,noatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime)
tmpfs on /dev type tmpfs (rw,relatime,size=512k,mode=755)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
debugfs on /sys/kernel/debug type debugfs (rw,noatime)
root@OpenWrt:/lib/modules/3.10.20# free
total used free shared buffers
Mem: 512180 67192 444988 0 0
-/+ buffers: 67192 444988
Swap: 0 0 0
root@OpenWrt:/lib/modules/3.10.20# cat /proc/mtd
dev: size erasesize name
mtd0: 00200000 00010000 "al_boot"
mtd1: 00100000 00010000 "device_tree"
mtd2: 00800000 00010000 "Kernel"
mtd3: 01000000 00010000 "rootfs"
mtd4: 00bb0000 00010000 "rootfs_data"
mtd5: 00500000 00010000 "storage"
Can someone guide me.
Thanks
Mani
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