Duplex firmware error, LED too show flash, with log "MMDVM RX buffer has overflowed"

[bi7jta]

pi-star@pi-star(ro):~$ tail -300f /var/log/pi-star/MMDVM-2022-04-28.log I: 2022-04-28 03:55:14.555 This software is for use on amateur radio networks only, I: 2022-04-28 03:55:14.555 it is to be used for educational purposes only. Its use on I: 2022-04-28 03:55:14.555 commercial networks is strictly prohibited. I: 2022-04-28 03:55:14.555 Copyright(C) 2015-2020 by Jonathan Naylor, G4KLX and others M: 2022-04-28 03:55:14.555 MMDVMHost-20210617_PS4 is starting M: 2022-04-28 03:55:14.555 Built 16:32:57 Jun 17 2021 (GitID #9106fd6) I: 2022-04-28 03:55:14.555 General Parameters I: 2022-04-28 03:55:14.555 Callsign: BI7JTA I: 2022-04-28 03:55:14.555 Id: 4600724 I: 2022-04-28 03:55:14.555 Duplex: yes I: 2022-04-28 03:55:14.555 Timeout: 240s I: 2022-04-28 03:55:14.556 D-Star: disabled I: 2022-04-28 03:55:14.556 DMR: enabled I: 2022-04-28 03:55:14.556 YSF: disabled I: 2022-04-28 03:55:14.556 P25: disabled I: 2022-04-28 03:55:14.556 NXDN: disabled I: 2022-04-28 03:55:14.556 POCSAG: disabled I: 2022-04-28 03:55:14.556 FM: disabled I: 2022-04-28 03:55:14.556 Modem Parameters I: 2022-04-28 03:55:14.556 Port: /dev/ttyAMA0 I: 2022-04-28 03:55:14.556 Protocol: uart I: 2022-04-28 03:55:14.556 RX Invert: no I: 2022-04-28 03:55:14.556 TX Invert: yes I: 2022-04-28 03:55:14.556 PTT Invert: no I: 2022-04-28 03:55:14.556 TX Delay: 100ms I: 2022-04-28 03:55:14.556 RX Offset: 0Hz I: 2022-04-28 03:55:14.556 TX Offset: 0Hz I: 2022-04-28 03:55:14.556 RX DC Offset: 0 I: 2022-04-28 03:55:14.556 TX DC Offset: 0 I: 2022-04-28 03:55:14.556 RF Level: 100.0% I: 2022-04-28 03:55:14.556 DMR Delay: 0 (0.0ms) I: 2022-04-28 03:55:14.556 RX Level: 50.0% I: 2022-04-28 03:55:14.556 CW Id TX Level: 50.0% I: 2022-04-28 03:55:14.556 D-Star TX Level: 50.0% I: 2022-04-28 03:55:14.556 DMR TX Level: 50.0% I: 2022-04-28 03:55:14.556 YSF TX Level: 50.0% I: 2022-04-28 03:55:14.556 P25 TX Level: 50.0% I: 2022-04-28 03:55:14.556 NXDN TX Level: 50.0% I: 2022-04-28 03:55:14.556 POCSAG TX Level: 50.0% I: 2022-04-28 03:55:14.556 FM TX Level: 50.0% I: 2022-04-28 03:55:14.556 TX Frequency: 439755000Hz (439755000Hz) I: 2022-04-28 03:55:14.556 Use COS as Lockout: no M: 2022-04-28 03:55:14.566 Opening the MMDVM I: 2022-04-28 03:55:16.577 MMDVM protocol version: 1, description: Nano_hotSPOT-v1.4.16 20190211 14.7456MHz dual ADF7021 FW by CA6JAU GitID #ac75ffd I: 2022-04-28 03:55:16.598 Display Parameters I: 2022-04-28 03:55:16.598 Type: OLED I: 2022-04-28 03:55:16.755 DMR Network Parameters I: 2022-04-28 03:55:16.755 Type: Direct I: 2022-04-28 03:55:16.755 Address: 4601.master.brandmeister.network I: 2022-04-28 03:55:16.755 Port: 62031 I: 2022-04-28 03:55:16.755 Local: random I: 2022-04-28 03:55:16.755 Jitter: 360ms I: 2022-04-28 03:55:16.755 Slot 1: enabled I: 2022-04-28 03:55:16.755 Slot 2: enabled I: 2022-04-28 03:55:16.755 Mode Hang: 20s I: 2022-04-28 03:55:16.755 Info Parameters I: 2022-04-28 03:55:16.755 Callsign: BI7JTA I: 2022-04-28 03:55:16.755 RX Frequency: 434755000Hz I: 2022-04-28 03:55:16.755 TX Frequency: 439755000Hz I: 2022-04-28 03:55:16.755 Power: 1W I: 2022-04-28 03:55:16.755 Latitude: 22.558500deg N I: 2022-04-28 03:55:16.755 Longitude: 113.988602deg E I: 2022-04-28 03:55:16.755 Height: 0m I: 2022-04-28 03:55:16.755 Location: "Town, City" I: 2022-04-28 03:55:16.755 Description: "Country" I: 2022-04-28 03:55:16.755 URL: "http://www.mw0mwz.co.uk/pi-star/" M: 2022-04-28 03:55:17.842 Opening DMR Network I: 2022-04-28 03:55:17.842 RSSI I: 2022-04-28 03:55:17.842 Mapping File: /usr/local/etc/RSSI.dat I: 2022-04-28 03:55:17.872 Loaded 14 RSSI data mapping points from /usr/local/etc/RSSI.dat I: 2022-04-28 03:55:17.872 DMR Id Lookups I: 2022-04-28 03:55:17.872 File: /usr/local/etc/DMRIds.dat I: 2022-04-28 03:55:17.872 Reload: 24 hours I: 2022-04-28 03:55:20.248 Loaded 217844 IDs to lookup table - /usr/local/etc/DMRIds.dat I: 2022-04-28 03:55:20.248 DMR RF Parameters I: 2022-04-28 03:55:20.248 Id: 460072413 I: 2022-04-28 03:55:20.248 Started the DMR Id lookup reload thread I: 2022-04-28 03:55:20.248 Color Code: 1 I: 2022-04-28 03:55:20.248 Self Only: no I: 2022-04-28 03:55:20.248 Embedded LC Only: no I: 2022-04-28 03:55:20.248 Dump Talker Alias Data: yes I: 2022-04-28 03:55:20.248 Prefixes: 0 I: 2022-04-28 03:55:20.248 Call Hang: 3s I: 2022-04-28 03:55:20.248 TX Hang: 4s I: 2022-04-28 03:55:20.248 Mode Hang: 20s I: 2022-04-28 03:55:20.248 OVCM: off I: 2022-04-28 03:55:20.248 DMR Roaming Beacons Type: off I: 2022-04-28 03:55:20.266 Interfaces Info I: 2022-04-28 03:55:20.267 IPv4: lo:127.0.0.1 I: 2022-04-28 03:55:20.267 IPv4: wlan0:192.168.2.4 I: 2022-04-28 03:55:20.267 Default interface is : wlan0 I: 2022-04-28 03:55:20.267 IP to show: wlan0:192.168.2.4 M: 2022-04-28 03:55:20.267 MMDVMHost-20210617_PS4 is running E: 2022-04-28 03:55:20.503 MMDVM RX buffer has overflowed E: 2022-04-28 03:55:20.754 MMDVM RX buffer has overflowed E: 2022-04-28 03:55:21.005 MMDVM RX buffer has overflowed E: 2022-04-28 03:55:21.255 MMDVM RX buffer has overflowed E: 2022-04-28 03:55:23.255 No reply from the modem for some time, resetting it M: 2022-04-28 03:55:23.255 Closing the MMDVM M: 2022-04-28 03:55:25.276 Opening the MMDVM E: 2022-04-28 03:55:38.094 Unable to read the firmware version after six attempts M: 2022-04-28 03:55:43.095 Opening the MMDVM