Hi Jan,
Thanks for your help - again!
I started to unplug parts of the network, didn't make any difference,
then I remembered that I had seen this before, dug back in my emails and
we had a similar email conversation in 2017. By default (I think)
Raspbian starts w1 and that interferes with owfs. In case anyone else
picks up this thread this is what I did to prevent w1 from running
edit /boot/config.txt and comment out the line
dtoverlay=w1-gpio
reboot
I was seeing that message about every minute. It is now an hour since I
made the change and there hasn't been a single one!
A couple of other questions,
* Could this issue have caused the Pi itself to crash?
* I know that due to the nature of 1-wire read failures will happen
occasionally, but what is the expected failure rate roughly?
Thanks
Mick
On 20/04/2019 19:50, Jan Kandziora wrote:
Am 20.04.19 um 16:47 schrieb Mick Sulley:
I just had the Pi on my main control system crash. Looking through
syslog there are load of entries like -
Apr 20 14:47:35 pi-solar kernel: [1816089.721179] w1_master_driver
w1_bus_master1: Family 0 for 00.c61100000000.3f is not registered.
Apr 20 14:48:00 pi-solar kernel: [1816114.723725] w1_master_driver
w1_bus_master1: Family 0 for 00.261100000000.d6 is not registered.
Apr 20 14:48:51 pi-solar kernel: [1816165.440416] w1_master_driver
w1_bus_master1: Family 0 for 00.a61100000000.5a is not registered.
I think this is 1-wire related
But not OWFS related. These are messages from within the kernel driver.
It specially complains about unregistered device classes. Which is
connected to some problem with your bus, in this case.
Split the bus into pieces and check when the problems disappear. It may
be some problem with your external power supply.
Kind regards
Jan
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