My AP device has this problem of constantly booting up.
Meraki Mode Selected
ubi0: attaching mtd1
ubi0: scanning is finished
ubi0: attached mtd1 (name "mtd=0", size 242 MiB)
ubi0: PEB size: 262144 bytes (256 KiB), LEB size: 253952 bytes
ubi0: min./max. I/O unit sizes: 4096/4096, sub-page size 4096
ubi0: VID header offset: 4096 (aligned 4096), data offset: 8192
ubi0: good PEBs: 970, bad PEBs: 0, corrupted PEBs: 0
ubi0: user volume: 0, internal volumes: 1, max. volumes count: 128
ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 0
ubi0: available PEBs: 886, total reserved PEBs: 84, PEBs reserved for bad PEB handling: 80
Secure boot enabled.
Read 0 bytes from volume part.safe to 50000000
Volume part.safe not found!
Read 0 bytes from volume part.old to 50000000
Volume part.old not found!
resetting ...
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U-Boot 2018.01-RELEASE-gc2c29d24b7 (May 05 2023 - 09:28:10 -0700)
In: serial@78B3000
Out: serial@78B3000
Err: serial@78B3000
Device Tree: QCA, IPQ807x-CM66
machid: 8010001
Net: No ethernet found.
Autoboot in 5 seconds
