[FS#1200] ar71xx/mikrotik: RB951G-2HnD boot loop

[LEDE Bugs]

The following task has a new comment added:

FS#1200 - ar71xx/mikrotik: RB951G-2HnD boot loop
User who did this - João Chainho (joaochainho)

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Here's a normal boot log (trunk custom build r5442-b0b289e kernel 4.4).

[    0.000000] Linux version 4.4.100 (jlchainho at STSLAB) (gcc version 5.5.0 (LEDE GCC 5.5.0 r5092-0d5c1d7) ) #0 Thu Nov 30 08:44:17 2017
[    0.000000] bootconsole [early0] enabled
[    0.000000] CPU0 revision is: 0001974c (MIPS 74Kc)
[    0.000000] SoC: Atheros AR9344 rev 2
...
[    0.545373] nand: device found, Manufacturer ID: 0x98, Chip ID: 0xf1
[    0.551944] nand: Toshiba NAND 128MiB 3,3V 8-bit
[    0.556743] nand: 128 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
---[ Error occurs here ]---
[    0.564608] Scanning device for bad blocks
[    0.665151] Creating 3 MTD partitions on "ar934x-nfc":
[    0.670466] 0x000000000000-0x000000040000 : "booter"
[    0.677021] 0x000000040000-0x000000400000 : "kernel"
[    0.683741] 0x000000400000-0x000008000000 : "ubi"
[    0.704508] switch0: Atheros AR8327 rev. 4 switch registered on ag71xx-mdio.0
[    1.352979] libphy: ag71xx_mdio: probed
[    1.946334] ag71xx ag71xx.0: connected to PHY at ag71xx-mdio.0:00 [uid=004dd034, driver=Atheros AR8216/AR8236/AR8316]
[    1.957958] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode:RGMII
...

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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1200#comment3946