Sergio Posted October 15, 2019 Posted October 15, 2019 Armbianmonitor: http://ix.io/1YIE After last upgrade Armbian on OrangePi PC Plus from version ARMBIAN 5.73 stable Ubuntu 16.04.5 LTS 3.4.113-sun8i - 3.4.113-sun8i #16 SMP PREEMPT Thu Jan 31 08:15:34 CET 2019 armv7l armv7l armv7l GNU/Linux to Ubuntu Xenial with Armbian Linux 3.4.113-sun8i - 3.4.113-sun8i #2 SMP PREEMPT Wed May 8 15:09:43 CEST 2019 armv7l armv7l armv7l GNU/Linux the modem on port ttyS3 stopped working. Quote Unable to read the firmware version after six attempts dmesg | grep S3 [ 0.621150] uart3: ttyS3 at MMIO 0x1c28c00 (irq = 35) is a SUNXI ls -la /dev/ttyS3 crw-rw---- 1 root dialout 251, 3 Oct 15 13:03 /dev/ttyS3 script.fex [uart0] uart_used = 0 uart_port = 0 uart_type = 2 uart_tx = port:PA04<2><1><default><default> uart_rx = port:PA05<2><1><default><default> [uart1] uart_used = 0 uart_port = 1 uart_type = 4 uart_tx = port:PG06<2><1><default><default> uart_rx = port:PG07<2><1><default><default> uart_rts = port:PG08<2><1><default><default> uart_cts = port:PG09<2><1><default><default> [uart2] uart_used = 0 uart_port = 2 uart_type = 4 uart_tx = port:PA00<2><1><default><default> uart_rx = port:PA01<2><1><default><default> uart_rts = port:PA02<2><1><default><default> uart_cts = port:PA03<2><1><default><default> [uart3] uart_used = 1 uart_port = 3 uart_type = 2 uart_tx = port:PA13<2><1><default><default> uart_rx = port:PA14<2><1><default><default>
Sergio Posted October 17, 2019 Author Posted October 17, 2019 The question is closed - the problem was in the Board OrangePi PC Plus itself.
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