Probleme WMR200

[mtev...@gmail.com]

Hello.

I have a problem. Weewx crashes regularly. Here are the log.

Do you have any ideas ?

Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.drivers.wmr200: open_device() Unable to claim USB interface. Reason: [Errno 16] Resource busy
Dec 15 21:30:42 Nas weewx[495153] ERROR weewx.engine: Import of driver failed: [Errno 16] Resource busy (<class 'weewx.WakeupError'>)
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****  Traceback (most recent call last):
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****    File "/usr/share/weewx/weewx/drivers/wmr200.py", line 193, in open_device
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****      self.handle.claimInterface(self.interface)
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****    File "/usr/lib/python3/dist-packages/usb/legacy.py", line 230, in claimInterface
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****      util.claim_interface(self.dev, interface)
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****    File "/usr/lib/python3/dist-packages/usb/util.py", line 205, in claim_interface
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****      device._ctx.managed_claim_interface(device, interface)
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****    File "/usr/lib/python3/dist-packages/usb/core.py", line 102, in wrapper
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****      return f(self, *args, **kwargs)
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****    File "/usr/lib/python3/dist-packages/usb/core.py", line 167, in managed_claim_interface
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****      self.backend.claim_interface(self.handle, i)
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****    File "/usr/lib/python3/dist-packages/usb/backend/libusb1.py", line 811, in claim_interface
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****      _check(self.lib.libusb_claim_interface(dev_handle.handle, intf))
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****    File "/usr/lib/python3/dist-packages/usb/backend/libusb1.py", line 595, in _check
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****      raise USBError(_strerror(ret), ret, _libusb_errno[ret])
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****  usb.core.USBError: [Errno 16] Resource busy
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****   
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****  During handling of the above exception, another exception occurred:
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****   
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****  Traceback (most recent call last):
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****    File "/usr/share/weewx/weewx/engine.py", line 109, in setupStation
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****      self.console = loader_function(config_dict, self)
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****    File "/usr/share/weewx/weewx/drivers/wmr200.py", line 58, in loader
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****      return WMR200(**config_dict[DRIVER_NAME])
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****    File "/usr/share/weewx/weewx/drivers/wmr200.py", line 1468, in __init__
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****      self.usb_device.open_device()
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****    File "/usr/share/weewx/weewx/drivers/wmr200.py", line 196, in open_device
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****      raise weewx.WakeupError(exception)
Dec 15 21:30:42 Nas weewx[495153] CRITICAL weewx.engine:     ****  weewx.WakeupError: [Errno 16] Resource busy
Dec 15 21:30:42 Nas weewx[495153] CRITICAL __main__: Unable to load driver: [Errno 16] Resource busy
Dec 15 21:30:42 Nas weewx[495153] CRITICAL __main__:     ****  Exiting...

[Mark Jenks]

Mine did that once in awhile, and I never did figure out why..  I just wrote a script to watch it and restart it, if it saw "Exiting.."

# more watch-weewx.sh

#!/bin/bash

service=weewx.service

if (( $(/usr/bin/systemctl status $service | grep running | wc -l) < 1 ))

then

        echo “$service was down and was restarted!!!”

        systemctl stop $service

        systemctl start $service

fi

if (( $(/usr/bin/systemctl status $service | grep "Exiting..." | wc -l) > 0 ))

then

        echo “$service Exited and was restarted!!!”

        systemctl stop $service

        systemctl start $service

fi

[Tom Keffer]

Issue #578 addresses this problem with the WMR200. Unfortunately, no fix has been found.

What kind of computer are you using? A Raspberry Pi? Something else?

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[Mark Jenks]

Mine did it with Python 2, HTPC Intel MB with Fedora on it.  I never did notice the USB changing, but it's very possible.

I'd go back and check, but I'm now on a Vantage Vue..  :)