[FS#3970] TP-LINK CPE510 v1.1 of_get_mac_address of_add_property bootloop (Attachment added)

[OpenWrt Bugs]

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A new Flyspray task has been opened.  Details are below. 

User who did this - John (johnth) 

Attached to Project - OpenWrt/LEDE Project
Summary - TP-LINK CPE510 v1.1 of_get_mac_address of_add_property bootloop
Task Type - Bug Report
Category - Kernel
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - High
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Updated an old TP-LINK CPE510 v1.1
Booted existing historic OpenWrt in failsafe:
Linux version 4.9.184 (buildbot at 2ccc8102e0c3) (gcc version 7.3.0 (OpenWrt GCC 7.3.0 r7808-ef686b7292) ) #0 Thu Jun 27 12:18:52 2019

sysupgrade -n to current snapshot
Linux version 5.4.138 (builder at buildhost) (gcc version 8.4.0 (OpenWrt GCC 8.4.0 r17311-7057e05485)) #0 Sun Aug 8 23:17:06 2021


Device bootloops:

[    1.883394] Call Trace:
[    1.885885] [] strcmp+0xc/0x40
[    1.889876] [] __of_add_property+0x4c/0x84
[    1.894912] [] of_add_property+0x48/0xc8
[    1.899788] [] of_get_mac_address+0x120/0x3ac
[    1.905107] [] ag71xx_probe+0x5cc/0xb74
[    1.909901] [] platform_drv_probe+0x40/0x94
[    1.915029] [] really_probe+0x104/0x358
[    1.919798] [] bus_for_each_drv+0x70/0xb0
[    1.924743] [] __device_attach+0x114/0x150
[    1.929777] [] bus_probe_device+0x9c/0xb8
[    1.934723] [] deferred_probe_work_func+0x7c/0xbc
[    1.940401] [] process_one_work+0x220/0x480
[    1.945531] [] worker_thread+0x32c/0x5c8
[    1.950405] [] kthread+0x138/0x140
[    1.954739] [] ret_from_kernel_thread+0x14/0x1c


TP-LINK SafeLoader TFTP recovery using OEM firmware, or OpenWrt factory image; fails with Incorrect File.

TP-LINK SafeLoader (Build time: Jun 12 2015 - 09:49:53)
CPU: 560MHz AHB: 225MHz DDR: 64MB
Performing LED check..  PASS
Press CTRL+B to enter SafeLoader: 1
Flash Manufacturer: Unknown(0xc8)
Flash Device ID: Unknown(0x4017)
Data flash init failed.
open user-config failed.
open user-config failed.
enet0 port4 up
TFTP server address is 192.168.0.100; our address is 192.168.0.254
Get filename 'recovery.bin'.
#################################################################
######################
Done.
Bytes transferred = 4453887, 1030 Kbytes/sec
Incorrect File.
Writting error.


Manually writing (SOIC8 clip) 21.02 snapshot 94efa1c612 to MTD succeeds, and provides bootable device.

sysupgrade -n snapshot from 21.02 snapshot results in same bootloop.
sysupgrade file matches Downloads checksum.

One or more files have been attached.

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3970

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