Hello
Thanks very much for so quick answers.
@Steinar No usually the lost device(s) don't re-appear after restarting owfs
and owserver. But it may vary. I have done so much tries and couldn't catch
any evidence of doing this or that solve the issue. Now I just wait and the
lost device(s) come back by itself. But it's annoying.
@Jan, Ok I'll do as you suggest. I've just installed ow-shell because it was
not installed on my system. (2.8p15 from Raspbian repo). I now have the
commands owdir, owread etc..
I have launched a small script to monitor the 1wire bus. Usually my bus
report 7 devices, this script will log the output of the commands "ls
/mnt/1wire/uncached/" and "owdir /uncached" when there is no 7 devices. So
we'll be able to see if there is any difference between those 2 commands.
Thanks for giving this path to follow. Here is my script:
#!/bin/sh
# 23 Mai 2016 -- Script to check if any device disappear from 1wire bus
while :
do
sleep 5 # check every 5 seconds
HOW_MANY=`ls -ld /mnt/1wire/uncached/??.* | wc -l` # On my system this must
return 7 when no problem
# echo $HOW_MANY
if [ $HOW_MANY -eq 7 ]; then
: # do nothing
else # log the output of "ls /mnt/1wire/uncached " and "owdir /uncached"
(filter for devices directory only)
echo "==========================================" >> /tmp/LogCheck1wire
date >> /tmp/LogCheck1wire
echo "======== ls /mnt/1wire/uncached ==========" >> /tmp/LogCheck1wire
ls -ld /mnt/1wire/uncached/??.* >> /tmp/LogCheck1wire
echo "=========== owdir /uncahed ===============" >> /tmp/LogCheck1wire
owdir /uncached | grep 00 >> /tmp/LogCheck1wire # On my system all
1wire devices end with 00 so this lists 7 devices
echo "==========================================" >> /tmp/LogCheck1wire
fi
done
By the way here is my kernel info:
$ uname -a
Linux Box 3.18.11+ #781 PREEMPT Tue Apr 21 18:02:18 BST 2015 armv6l GNU/Linux
Best regards
--
Guy
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