Have a look in /var/log/syslog and see if there are any interesting messages around the time of failure. If syslog does not go back far enough look in /var/log/syslog.1
Colin On 26 May 2017 at 21:35, Mick Sulley <m...@sulley.info> wrote: > Thanks for your comments Matthias. It happened again today, same channels I > think. Could it be temperature related? The Pi etc is in the loft and it > was around 40C in there today, so the Pi would be somewhat above that. > > Mick > > > > On 09/03/17 10:15, Mick Sulley wrote: >> >> My system is Raspberry Pi 3 running owserver etc 3.1p5 with Sheepwalk >> RPi3 adapter and RPi3a splitters giving me 8 channels. All devices are >> powered, separately from the Pi. I use python code and pyownet to >> monitor and control a mixture of about 35 DS1820 and DS2413 >> >> The system has been running fairly successfully for several years, but >> today it failed. I think I can solve the basic failure, the thing that >> puzzles me is that when I rebooted 2 of the 8 channels were missing. I >> rebooted again, checked the cabled, still the same two channels >> missing. I then shut it down and power cycled it and then all channels >> were back again. >> >> Is this a known issue? Is there any way to reset a channel other than >> power cycle? >> >> Thanks >> >> Mick >> >> >> >> ------------------------------------------------------------------------------ >> Announcing the Oxford Dictionaries API! The API offers world-renowned >> dictionary content that is easy and intuitive to access. Sign up for an >> account today to start using our lexical data to power your apps and >> projects. Get started today and enter our developer competition. >> http://sdm.link/oxford >> _______________________________________________ >> Owfs-developers mailing list >> Owfs-developers@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/owfs-developers > > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > _______________________________________________ > Owfs-developers mailing list > Owfs-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/owfs-developers ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers