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FS#3539 - ramips/mt7620 snapshot does not boot #8576

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@openwrt-bot

Description

@openwrt-bot

reiffert:

It's happening on

  • ramips/mt7620 D-Link DWR 960 with the snapshot of 2020/12/26

  • r14281 from 2020/08/26 is working good.

  • Steps to reproduce:

Install the factory image onto the stock firmware - or - install the sysupgrade onto the running r14281.

  • Findings:

The snapshot version is booted when attempting to get into JBOOT but doesn't come up automatically.

Please guide/advise. Thank you.
Thomas

  • Console output:
  1. Regular/Working:
    CDG56CDL_0T3 Jboot B972
    JRecovery Version R1.2 2016/11/15 14:11
    spi device id: ef 40 18 0 0 (40180000)
    SPI FLASH: W25Q128FV 16M
    .
    ....................
    Starting kernel @ 80000000 ...

  2. Bricked state, regular boot:
    CDG56CDL_0T3 Jboot B972
    JRecovery Version R1.2 2016/11/15 14:11
    spi device id: ef 40 18 0 0 (40180000)
    SPI FLASH: W25Q128FV 16M
    .
    .

  3. Bricked state, booting into JBOOT (Hold reset button, power on)
    CDG56CDL_0T3 Jboot B972
    JRecovery Version R1.2 2016/11/15 14:11
    spi device id: ef 40 18 0 0 (40180000)
    SPI FLASH: W25Q128FV 16M
    .
    Reset button had been pressed.
    ....................
    Starting kernel @ 80000000 ...
    and the snapshot is booted

  4. JBOOT in working state:

CDG56CDL_0T3 Jboot B972
JRecovery Version R1.2 2016/11/15 14:11
spi device id: ef 40 18 0 0 (40180000)
SPI FLASH: W25Q128FV 16M
.
Reset button had been pressed.
Reset button had been pressed
IP = 192.168.123.254 NA = XX:XX:XX:XX:XX:XX

mtd layout on working r14281 (2020/08/26):
root@OpenWrt:# cat /proc/mtd
dev: size erasesize name
mtd0: 00010000 00001000 "jboot"
mtd1: 00fe0000 00001000 "firmware"
mtd2: 001fc82e 00001000 "kernel"
mtd3: 00de37d2 00001000 "rootfs"
mtd4: 00b4d000 00001000 "rootfs_data"
mtd5: 00010000 00001000 "config"
root@OpenWrt:
#

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