Arduino miner, 3.9, segmentation fault

[PSLLSP]

Duinocoin miner, ruining at RPI-PICO, crashed, with segmentation fault. I am not sure when it happen, few days ago, I just found it today.

18:42:15  avr0  ⛏ Accepted 53078/53078 (100%) ∙ 05.0s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 17ms
18:42:21  avr0  ⛏ Accepted 53079/53079 (100%) ∙ 06.0s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 17ms
18:42:21  sys0  Periodic mining report: 
                ‖ During the last 63 seconds
                ‖ You've mined 21 shares (0.3 shares/s)
                ‖ Blocks found: 0
                ‖ With the hashrate of 20925 H/s
                ‖ In this time period, you've solved 1318337 hashes
                ‖ Total miner uptime: 178.0 hours
18:42:26  avr0  ⛏ Accepted 53080/53080 (100%) ∙ 05.1s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 17ms
18:42:31  avr0  ⛏ Accepted 53081/53081 (100%) ∙ 04.7s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 16ms
18:42:32  avr0  ⛏ Accepted 53082/53082 (100%) ∙ 01.2s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 16ms
18:42:36  avr0  ⛏ Accepted 53083/53083 (100%) ∙ 03.8s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 16ms
18:42:38  avr0  ⛏ Accepted 53084/53084 (100%) ∙ 02.5s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 15ms
18:42:43  avr0  ⛏ Accepted 53085/53085 (100%) ∙ 04.6s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 16ms
18:42:44  avr0  ⛏ Accepted 53086/53086 (100%) ∙ 01.1s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 16ms
18:42:48  avr0  ⛏ Accepted 53087/53087 (100%) ∙ 03.6s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 15ms
18:42:51  avr0  ⛏ Accepted 53088/53088 (100%) ∙ 03.4s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 15ms
18:42:53  avr0  ⛏ Accepted 53089/53089 (100%) ∙ 02.2s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 15ms
18:42:58  avr0  ⛏ Accepted 53090/53090 (100%) ∙ 04.6s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 15ms
18:43:01  avr0  ⛏ Accepted 53091/53091 (100%) ∙ 03.2s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 16ms
18:43:05  avr0  ⛏ Accepted 53092/53092 (100%) ∙ 03.4s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 16ms
18:43:10  avr0  ⛏ Accepted 53093/53093 (100%) ∙ 04.8s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 16ms
Segmentation fault

I tried to start it but it cannot get pool server:

18:43:10  avr0  ⛏ Accepted 53093/53093 (100%) ∙ 04.8s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 16ms
Segmentation fault

miner@neo:~/duino-coin$ sh miner-AVR.sh 

 ‖ Official Duino-Coin © AVR Miner 3.9 2019-2023
 ‖ https://github.com/revoxhere/duino-coin
 ‖ AVR board(s) on port(s): /dev/ttyACM0
 ‖ Developer donation level: 0
 ‖ Algorithm: DUCO-S1A ⚙ AVR diff
16:12:59  net0  Searching for the fastest node to connect to
16:12:59  net0  Fatal error fetching server from the node picker - retrying in 15s (HTTPSConnectionPool(host='server.duinocoin.com', port=443): Max retries exceeded with url: /getPool (Caused by SSLError(SSLZeroReturnError(6, 'TLS/SSL connection has been closed (EOF) (_ssl.c:992)'))))
16:13:11  sys0  SIGINT detected - Exiting gracefully. See you soon!

miner@neo:~/duino-coin$ curl https://server.duinocoin.com/getPool
{"client":"213.29.28.253","ip":"194.59.183.28","name":"europe-node-2","port":4273,"region":"EU","server":"svko","success":true}

neo is small computer from FriendlyARM, it has CPU Allwinner H3:

miner@neo:~/duino-coin$ uname -a
Linux neo 6.1.53-current-sunxi #3 SMP Wed Sep 13 07:43:05 UTC 2023 armv7l GNU/Linux

A minute later, it can mine again:

miner@neo:~/duino-coin$ cat miner-AVR.sh 
#!/bin/sh

[ -f bin/activate ] && . bin/activate
python3 AVR_Miner_3.9.py "$@"

miner@neo$ sh miner-AVR.sh 

 ‖ Official Duino-Coin © AVR Miner 3.9 2019-2023
 ‖ https://github.com/revoxhere/duino-coin
 ‖ AVR board(s) on port(s): /dev/ttyACM0
 ‖ Developer donation level: 0
 ‖ Algorithm: DUCO-S1A ⚙ AVR diff
16:17:05  net0  Searching for the fastest node to connect to
16:17:05  net0  Retrieved mining node: europe-node-2
16:17:07  net0  Connected to master Duino-Coin server (v3.0)
16:17:07  net0  Server message of the day: Welcome to europe node hosted by revox (inst. 2) | NEW: Exchange various cryptocoins fast on fluffyswap.com
16:17:07  sys0  AVR mining thread is starting using DUCO-S1A algorithm (/dev/ttyACM0)
16:17:07  sys0  Hashrate test ended with 20 kH/s, assigned starting difficulty: ESP32
16:17:09  avr0  ⛏ Accepted 1/1 (100%) ∙ 02.0s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 15ms
16:17:12  avr0  ⛏ Accepted 2/2 (100%) ∙ 03.0s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 15ms
16:17:15  avr0  ⛏ Accepted 3/3 (100%) ∙ 02.0s ∙ 21 kH/s ⚙ diff 1 k ∙ ping 15ms

[revoxhere]

Is it possible the SBC ran out of memory? It's possible there is a memory leak somewhere. More testing needed.