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Orange Pi Zero UART seems to be normal until it booted into Linux kernel


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Armbianmonitor:

Hi, when I try to connect to OPi Zero via USB TTL (PL2303) and run minicom -D /dev/ttyUSB0 -b 115200 -o, it seems to be normal until it booted to the Kernel then it start outputing garbage but when it started without USB TTL it just work normally

U-Boot SPL 2019.04-armbian (Jul 16 2019 - 10:53:57 +0200)
DRAM: 256 MiB
Trying to boot from MMC1


U-Boot 2019.04-armbian (Jul 16 2019 - 10:53:57 +0200) Allwinner Technology

CPU:   Allwinner H3 (SUN8I 1680)
Model: Xunlong Orange Pi Zero
DRAM:  256 MiB
MMC:   mmc@1c0f000: 0, mmc@1c10000: 1
Loading Environment from EXT4... ** File not found /boot/boot.env **

** Unable to read "/boot/boot.env" from mmc0:1 **
In:    serial
Out:   serial
Err:   serial
Net:   phy interface0
eth0: ethernet@1c30000
starting USB...
USB0:   USB EHCI 1.00
USB1:   USB OHCI 1.0
USB2:   USB EHCI 1.00
USB3:   USB OHCI 1.0
USB4:   USB EHCI 1.00
USB5:   USB OHCI 1.0
scanning bus 0 for devices... 1 USB Device(s) found
scanning bus 1 for devices... 1 USB Device(s) found
scanning bus 2 for devices... 1 USB Device(s) found
scanning bus 3 for devices... 1 USB Device(s) found
scanning bus 4 for devices... 1 USB Device(s) found
scanning bus 5 for devices... 1 USB Device(s) found
       scanning usb for storage devices... 0 Storage Device(s) found                                                           <INTERRUPT>
=>                 @� 0,ڕ� 0,ڕ� 0,ڕ@� 0,ڕ� 0,ڕ� 0,ڕ @� 0,ڕ @� 0,ڕ� 0,ڕ� 0,ڕ @� 0,ڕ @� 0,ڕ� 0,ڕ� 0,ڕ @� 0,ڕ� 0,ڕ  0,ڕ0,ڕ0,ڕ  0,ڕ  0�B �$�<INTERRUPT>                                    ,ڕ0,ڕ 0,ڕ0,ڕ  0,ڕ  0,ڕ0,ڕ0,ڕ0,ڕ  0,ڕ0,ڕ  0,ڕ0,ڕ  0,ڕ  0,ڕ0,ڕ0,ڕ  0,ڕ0,ڕ  0,ڕ  0,ڕ0,ڕ0,ڕ  0,ڕ0,ڕ
=> ���)d�  0,ڕ
Unknown command '���)d�' - try 'help'                                                                       ���)d�!iJ ! )d@�H�$B�I�`  ! ���BUnknown command '�B' - try 'help'iJ ! !`!iJ ! !`
=> �B ���)d�!iJ ! )d@�H�$B�I�`  ! ���B(I   d�!iJ ! !`<INTERRUPT>
=>���)d�"BB` B�X�X� ! !2J!�����$((  �X�X�@I
>
> !`�!$�����!L<INTERRUPT>                                                                                                              �B ���)d�!iJ ! )d@�H�$B�I�`  ! ���B(I   d�!iJ ! !`���
Unknown command '�B' - try 'help'                                                                                           ���)d�"BB` B�X�X� ! !2J!��ĉ�$((�B ���)d�!iJ ! )d@�H�$B�I�`  ! ���B(I   d�!iJ��!BB @@If@!�IH!A<INTERRUPT>
=>                    &&��> �Ȁ@�H� B�&&��> �Ȁ@�H��&&��> �Ȁ@�H� B�&&��> �Ȁ@�H� B�&&��> �Ȁ@�H��&&��> �Ȁ@�H��&&��> �Ȁ@�H��&&��> �Ȁ@�H��&&��> �Ȁ=>���)d��BJr2H �B�    H�B� �*��H�IH!��Ȁ@�H��&&��> �Ȁ@�H��&&��> �Ȁ@�H��&&��> �Ȁ@�H� B�&&��> �Ȁ@�H��&&��> �Ȁ@�H��&&��> �Ȁ@�H��&&��> �Ȁ@�H�B�&&Unknown command '���)d��BJr2H' - try 'help'> �Ȁ@�H��&&��> �Ȁ@�H�B�&&��> �Ȁ@�H�B�&&��> �Ȁ@�H�                  ��1PR�K!H�B (�($����
Unknown command '��1PR�K!H�B' - try 'help'

 

Edited by Cincin Masuk Mangkok
added UART command line
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