Chyba to Cezary, bo tyle chyba też resetów było po tym jak nie chciał twój poprzedni obraz startować i wtedy przełącza partycję.
a oto fragment bootlogu
Booting System 1, sys1_failed = 8, sys2_failed = 129
ubi0: attaching mtd10
ubi0: scanning is finished
ubi0: attached mtd10 (name "ubi1", size 34 MiB)
ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
ubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 2048
ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096
ubi0: good PEBs: 272, 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: 249, total reserved PEBs: 23, PEBs reserved for bad PEB handling: 19
Reading from volume 'kernel' to 0x46000000, size 0x0 ... *** Cannot find volume 'kernel' ***
resetting ..