It happens the same to me with WH2300 driver on RaspberryPi3, randomly
after a few hours it stop reading the weather station data.
Oct 24 14:50:23 radio weewx[600]: engine: Caught unrecoverable exception in
> engine:
> Oct 24 14:50:23 radio weewx[600]: **** could not detach kernel
> driver from interface 0: No hay datos disponibles
> Oct 24 14:50:23 radio weewx[600]: **** Traceback (most recent call
> last):
> Oct 24 14:50:23 radio weewx[600]: **** File
> "/usr/share/weewx/weewx/engine.py", line 844, in main
> Oct 24 14:50:23 radio weewx[600]: **** engine.run()
> Oct 24 14:50:23 radio weewx[600]: **** File
> "/usr/share/weewx/weewx/engine.py", line 186, in run
> Oct 24 14:50:23 radio weewx[600]: **** for packet in
> self.console.genLoopPackets():
> Oct 24 14:50:23 radio weewx[600]: **** File
> "/usr/share/weewx/user/wh2300.py", line 314, in genLoopPackets
> Oct 24 14:50:23 radio weewx[600]: **** raw =
> self._station.get_current()
> Oct 24 14:50:23 radio weewx[600]: **** File
> "/usr/share/weewx/user/wh2300.py", line 606, in get_current
> Oct 24 14:50:23 radio weewx[600]: **** return self._read_record()
> Oct 24 14:50:23 radio weewx[600]: **** File
> "/usr/share/weewx/user/wh2300.py", line 544, in _read_record
> Oct 24 14:50:23 radio weewx[600]: **** self._write("read_record",
> buf)
> Oct 24 14:50:23 radio weewx[600]: **** File
> "/usr/share/weewx/user/wh2300.py", line 491, in _write
> Oct 24 14:50:23 radio weewx[600]: **** cnt =
> self.devh.interruptWrite(self.USB_ENDPOINT_OUT, buf, self.timeout)
> Oct 24 14:50:23 radio weewx[600]: **** USBError: could not detach
> kernel driver from interface 0: No hay datos disponibles
> Oct 24 14:50:23 radio weewx[600]: **** Exiting.
> Oct 24 14:50:29 radio rsyslogd-2007: action 'action 17' suspended, next
> retry is Mon Oct 24 14:51:59 2016 [try http://www.rsyslog.com/e/2007 ]
> Oct 24 14:52:20 radio rsyslogd-2007: action 'action 17' suspended, next
> retry is Mon Oct 24 14:53:50 2016 [try http://www.rsyslog.com/e/2007 ]
> Oct 24 14:53:52 radio rsyslogd-2007: action 'action 17' suspended, next
> retry is Mon Oct 24 14:55:22 2016 [try http://www.rsyslog.com/e/2007 ]
> Oct 24 14:55:58 radio rsyslogd-2007: action 'action 17' suspended, next
> retry is Mon Oct 24 14:57:28 2016 [try http://www.rsyslog.com/e/2007 ]
> Oct 24 14:57:39 radio rsyslogd-2007: action 'action 17' suspended, next
> retry is Mon Oct 24 14:59:09 2016 [try http://www.rsyslog.com/e/2007 ]
> Oct 24 15:11:56 radio rsyslogd-2007: action 'action 17' suspended, next
> retry is Mon Oct 24 15:13:26 2016 [try http://www.rsyslog.com/e/2007 ]
> Oct 24 15:17:01 radio rsyslogd-2007: action 'action 17' suspended, next
> retry is Mon Oct 24 15:18:31 2016 [try
>
>
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