Cincin Masuk Mangkok Posted November 8, 2019 Share Posted November 8, 2019 (edited) Armbianmonitor: http://ix.io/219I 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 November 8, 2019 by Cincin Masuk Mangkok added UART command line Link to comment Share on other sites More sharing options...
Igor Posted November 8, 2019 Share Posted November 8, 2019 Bad cables or poor contact with ground? Link to comment Share on other sites More sharing options...
Cincin Masuk Mangkok Posted November 8, 2019 Author Share Posted November 8, 2019 8 hours ago, Igor said: Bad cables or poor contact with ground? cable seems to be ok (I tested it with my Android TV Box which also have a UART connector and Android box connect normally) and it's only outputting garbage after booting Link to comment Share on other sites More sharing options...
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