How to diagnose: различия между версиями

How to diagnose (просмотреть исходный код)

Версия 09:35, 9 ноября 2021

2379 байт добавлено , 2 года назад

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A.Degtyarev

Администраторы интерфейса, Администраторы

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правка

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 # uname -a
 Linux wirenboard-AYXIHFQ6 5.10.35-wb6 #1 Thu Sep 30 00:33:57 UTC 2021 armv7l GNU/Linux
+</syntaxhighlight>
+Проверить статус сервиса и посмотреть его последние 10 сообщений в системном журнале можно командой <code>service <имя сервиса> status</code>:
+<syntaxhighlight lang="console">
+# service wb-mqtt-serial status
+● wb-mqtt-serial.service - MQTT Driver for serial devices
+   Loaded: loaded (/lib/systemd/system/wb-mqtt-serial.service; enabled; vendor preset: enabled)
+   Active: active (running) since Mon 2021-11-08 22:21:59 +04; 12h ago
+ Main PID: 8180 (wb-mqtt-serial)
+   CGroup: /system.slice/wb-mqtt-serial.service
+           └─8180 /usr/bin/wb-mqtt-serial
+Nov 09 02:29:54 wirenboard-AYXIHFQ6 wb-mqtt-serial[8180]: WARNING: [modbus] failed to read 6 coil(s) @ 0 of device modbus:241: Serial protocol error: request timed out
+Nov 09 02:46:10 wirenboard-AYXIHFQ6 wb-mqtt-serial[8180]: WARNING: [modbus] failed to read 2 input(s) @ 270 of device modbus:58: Serial protocol error: request timed out
+Nov 09 02:46:41 wirenboard-AYXIHFQ6 wb-mqtt-serial[8180]: WARNING: [modbus] failed to read 1 coil(s) @ 2 of device modbus:58: Serial protocol error: request timed out
+Nov 09 02:53:57 wirenboard-AYXIHFQ6 wb-mqtt-serial[8180]: WARNING: [modbus] failed to read 6 discrete(s) @ 0 of device modbus:241: Serial protocol error: request timed out
+Nov 09 03:54:33 wirenboard-AYXIHFQ6 wb-mqtt-serial[8180]: WARNING: [modbus] failed to read 6 discrete(s) @ 0 of device modbus:241: Serial protocol error: request timed out
+Nov 09 05:39:59 wirenboard-AYXIHFQ6 wb-mqtt-serial[8180]: WARNING: [modbus] failed to read 3 discrete(s) @ 0 of device modbus:111: Serial protocol error: request timed out
+Nov 09 06:50:47 wirenboard-AYXIHFQ6 wb-mqtt-serial[8180]: WARNING: [modbus] failed to read 1 holding(s) @ 0 of device modbus:58: Serial protocol error: request timed out
+Nov 09 08:47:36 wirenboard-AYXIHFQ6 wb-mqtt-serial[8180]: WARNING: [modbus] failed to read 2 input(s) @ 270 of device modbus:58: Serial protocol error: request timed out
+Nov 09 10:11:34 wirenboard-AYXIHFQ6 wb-mqtt-serial[8180]: WARNING: [modbus] failed to read 1 discrete(s) @ 4 of device modbus:58: Serial protocol error: request timed out
+Nov 09 10:12:15 wirenboard-AYXIHFQ6 wb-mqtt-serial[8180]: WARNING: [modbus] failed to read 2 input(s) @ 270 of device modbus:58: Serial protocol error: request timed out
 </syntaxhighlight>