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FS#3924 - wgt634u: Filesystem overwrites the param partiton at the end of the flash! Device dont boot #8969

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openwrt-bot opened this issue Jul 10, 2021 · 0 comments
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yvjek:

  • Device WGT634u
  • openwrt 19.07 fresh install
    Steps to reproduce:
  • Install big packages with opkg, after some time the system hangs
  • The device dont reboot if you restart it
  • if you show on the red boot manager UART/serial/Terminal you see the param partition is killed
    you need to rebuild the params on the Terminal see https://openwrt.org/toh/netgear/wgt634u#recovering_from_board_information_overwrites, after that you can reboot. But after some time a filesystem write can kill your param partiton again...

There is an issue on the partition table?

openwrt:
root@OpenWrt:/# cat /proc/partitions
major minor #blocks name

31 0 640 mtdblock0
31 1 7424 mtdblock1
31 2 2 mtdblock2
31 3 1324 mtdblock3
31 4 6097 mtdblock4
31 5 3456 mtdblock5
31 6 128 mtdblock6 Param partition of the boot loader?

Partiton Table from boot loader sight:

stop boot process while power up on serial console with CTRL-C
CFE> show devices
Device Name Description


uart0 NS16550 UART at 0x18000300
uart1 NS16550 UART at 0x18000400
flash0.boot New CFI flash at 1C000000 offset 00000000 size 384KB
flash0.config New CFI flash at 1C000000 offset 00060000 size 128KB
flash0.os New CFI flash at 1C000000 offset 00080000 size 7672KB
flash0.nvram New CFI flash at 1C000000 offset 007FE000 size 8KB --->param partition of the boot loader!
eth0 BCM4710 Ethernet unit 0 ()

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