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Pico Ultra W Boot loop

Posted: 2025-12-30 3:22
by Mazero
Device was previously working but now stuck in a boot loop.
Tried reflashing both default buildroot and Ubuntu images with no change.

Full uart output here:
https://pastebin.com/wAfyFJKG

Seems to reset at:

Code: Select all

[    3.470071] libaes: exports duplicate symbol aes_decrypt (owned by kernel)
insmod: can't insert 'libaes.ko': invalid module format
[    3.471116] libaes: exports duplicate symbol aes_decrypt (owned by kernel)
[    3.495291] aicbsp_init
[    3.495319] RELEASE_DATE:2024_0615_c3cb37b3
[    3.495328] aicbsp_resv_mem_init
DDR 306b9977f5 wesley.yao 23/12/21-09:28:37,fwver: v1.15
S5P1
4x
f967
rgef1
DDRConf2
DDR3, BW=16 Col=10 Bk=8 CS0 Row=14 CS=1 Size=256MB
924MHz
DDR bin out

U-Boot SPL board init


Re: Pico Ultra W Boot loop

Posted: 2025-12-31 6:53
by Crocodile
Hello, the log indicates a power shortage issue. When initializing the Wifi module, the load on the board will suddenly increase, which might be the cause of the restart.

Re: Pico Ultra W Boot loop

Posted: 2025-12-31 19:10
by Mazero
Oops, it was the obvious (power). I was convinced it wasn't power because it was previously working but looks like my PC USB port was having issues.
Thanks.