See the Upgrade Guide section *WeeWX runs as the weewx user <https://www.weewx.com/docs/5.0/upgrade/#weewx-runs-as-the-weewx-user>*.
On Tue, Feb 6, 2024 at 12:05 PM Mark Conner <[email protected]> wrote: > By chance, I just read the previous message thread and was able to use > that to fix my issue. The issue for me centered around the change from > running weewx as 'root' in 5.0 and before, to running as user 'weewx' in > 5.0.1. I added user 'weewx' to the group 'dialout' so it could access > /dev/ttyAMA0 and everything works again. > > sudo usermod -a -G dialout weewx > > I think this change in 5.0.1 from running as 'root' to running as 'weewx' > needs to be more strongly advertised. This may be problematic for users > who upgraded from v4.x and still run weewx as root. > > - Mark > > On Tuesday, February 6, 2024 at 1:45:35 PM UTC-6 Mark Conner wrote: > >> Hi, >> >> I recently tried to upgrade my weewx installation from 5.0 to 5.0.1 on my >> Raspberry Pi 2 using 'sudo apt-get' and afterwards I was unable to start >> weewxd. I am reading from a Davis Vantage Pro2 with a serial logger via a >> MeteoPi interface. Thinking it was an upgrade problem, I downgraded to >> 5.0.0 and still have the same issue. Here are the weewxd related lines >> from startup from /var/log/syslog: >> >> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: INFO __main__: Initializing >>> weewxd version 5.0.0 >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: INFO __main__: Command >>> line: /usr/share/weewx/weewxd.py /etc/weewx/weewx.conf >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: INFO __main__: Using Python >>> 3.9.2 (default, Mar 12 2021, 04:06:34) #012[GCC 10.2.1 20210110] >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: INFO __main__: Located at >>> /usr/bin/python3 >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: INFO __main__: Platform >>> Linux-6.1.21-v7+-armv7l-with-glibc2.31 >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: INFO __main__: Locale: >>> 'en_US' >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: INFO __main__: Entry path: >>> /usr/share/weewx/weewxd.py >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: INFO __main__: WEEWX_ROOT: / >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: INFO __main__: >>> Configuration file: /etc/weewx/weewx.conf >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: INFO __main__: User module: >>> /etc/weewx/bin/user >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: INFO __main__: Debug: 0 >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: INFO weewx.engine: Loading >>> station type Vantage (weewx.drivers.vantage) >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: ERROR weewx.engine: Import >>> of driver failed: [Errno 13] could not open port /dev/ttyAMA0: [Errno 13] >>> Permission denied: '/dev/ttyAMA0' (<class >>> 'serial.serialutil.SerialException'>) >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** Traceback (most recent call last): >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** File >>> "/usr/local/lib/python3.9/dist-packages/serial/serialposix.py", line 322, >>> in open >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** self.fd = os.open(self.portstr, os.O_RDWR | os.O_NOCTTY | >>> os.O_NONBLOCK) >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** PermissionError: [Errno 13] Permission denied: '/dev/ttyAMA0' >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** During handling of the above exception, another exception occurred: >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** Traceback (most recent call last): >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** File "/usr/share/weewx/weewx/engine.py", line 115, in setupStation >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** self.console = loader_function(config_dict, self) >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 32, in loader >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** return VantageService(engine, config_dict) >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 2046, in >>> __init__ >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** Vantage.__init__(self, **config_dict[DRIVER_NAME]) >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 536, in >>> __init__ >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** self.port.openPort() >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** File "/usr/share/weewx/weewx/drivers/vantage.py", line 319, in >>> openPort >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** self.serial_port = serial.Serial(self.port, self.baudrate, >>> timeout=self.timeout) >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** File "/usr/local/lib/python3.9/dist-packages/serial/serialutil.py", >>> line 244, in __init__ >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** self.open() >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** File >>> "/usr/local/lib/python3.9/dist-packages/serial/serialposix.py", line 325, >>> in open >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** raise SerialException(msg.errno, "could not open port {}: >>> {}".format(self._port, msg)) >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL weewx.engine: >>> **** serial.serialutil.SerialException: [Errno 13] could not open port >>> /dev/ttyAMA0: [Errno 13] Permission denied: '/dev/ttyAMA0' >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL __main__: Unable >>> to load driver: [Errno 13] could not open port /dev/ttyAMA0: [Errno 13] >>> Permission denied: '/dev/ttyAMA0' >>> Feb 6 13:29:00 raspberrypi110 weewxd[2836]: CRITICAL __main__: **** >>> Exiting... >> >> >> I did not change anything myself related to /dev/ttyAMA0 in the >> upgrade/downgrade process. What is strange is that I can read current data >> from the VP2 using weectl. >> >> pi@raspberrypi110:~ $ sudo weectl device --current >>> Using configuration file /etc/weewx/weewx.conf >>> Using driver weewx.drivers.vantage. >>> Using Vantage driver version 3.6.2 (weewx.drivers.vantage) >>> Querying the station for current weather data... >>> 2024-02-06 13:38:37 CST (1707248317) 'barometer': '30.073', >>> 'consBatteryVoltage': '4.71', 'dateTime': '1707248317', 'dayET': '0.0', >>> 'dayRain': '0.0', 'extraAlarm1': '0', 'extraAlarm2': '0', 'extraAlarm3': >>> '0', 'extraAlarm4': '0', 'extraAlarm5': '0', 'extraAlarm6': '0', >>> 'extraAlarm7': '0', 'extraAlarm8': '0', 'extraTemp1': '35.0', >>> 'forecastIcon': '7', 'forecastRule': '60', 'inHumidity': '38.0', >>> 'insideAlarm': '0', 'inTemp': '69.6', 'monthET': '0.0', 'monthRain': >>> '0.01', 'outHumidity': '74.0', 'outsideAlarm1': '0', 'outsideAlarm2': '0', >>> 'outTemp': '50.6', 'rain': 'None', 'rainAlarm': '0', 'rainRate': '0.0', >>> 'soilLeafAlarm1': '0', 'soilLeafAlarm2': '0', 'soilLeafAlarm3': '0', >>> 'soilLeafAlarm4': '0', 'stormRain': '0.0', 'sunrise': '1707226320', >>> 'sunset': '1707263280', 'txBatteryStatus': '0', 'usUnits': '1', 'windDir': >>> '156.0', 'windSpeed': '10.0', 'windSpeed10': '6.0', 'yearET': '0.0', >>> 'yearRain': '0.02' >> >> >> Below is an ls -l of /dev/ttyAMA0 >> >>> >>> pi@raspberrypi110:~ $ ls -l /dev/ttyAMA0 >>> crw-rw---- 1 root dialout 204, 64 Feb 6 13:38 /dev/ttyAMA0 >> >> >> Original installation of weewx on this device was approximately 4.8.0. >> >> I have tried both a "shutdown -r" and a shutdown/power-cycle in an >> attempt to clear the error. >> >> - Mark >> >> -- > You received this message because you are subscribed to the Google Groups > "weewx-user" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/weewx-user/10e63192-4af5-4b23-9482-bf07a00565b6n%40googlegroups.com > <https://groups.google.com/d/msgid/weewx-user/10e63192-4af5-4b23-9482-bf07a00565b6n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. 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