Every few hours I get "ERROR:network_service_instance_impl.cc(916)] Network service crashed, restarting service"

TvE

Test with default config looks good 11h without a crash

[02.03.2022 07:43.20.529] [LOG]   Starting MagicMirror: v2.18.0
...
[02.03.2022 18:35.01.238] [INFO]  Calendar-Fetcher: Broadcasting 10 events.
And still running

Thus I must deduce that one of the two services I had configured was triggering the problem

I must enable my two changes individually to identify which is “bad”

sdetweil

@tve weird

TvE

@sdetweil Yep (but I get exposed to that type of behavior daily :-) )

I have also found the DEBUG setting in the conf file:

logLevel: ["INFO", "LOG", "WARN", "ERROR", "DEBUG"], // Add "DEBUG" for even more logging

And am tcpdumping the traffic as well

sudo tcpdump -i wlan0 -w tcpdump-wlan.pcap && sudo tcpdump -i eth0 -w tcpdump-eth.pcap &

So let’s see what a bisect approach to disabling the “services” leads to

sdetweil

@tve yeh, sorry on debug. lots of calendar stuff

TvE

@sdetweil Don’t worry about “debug” I just had to read the config in stead of skipping over that part

I have now reverted to my original config and will enable the different service in bisect style.

/*
TvE test log (on legacy OS)
Re-configured services resulting in crash:
  1 calendar
  2 openweather_current
  3 openweather_forecast
  4 news

A: Sample config
    => 11h and still OK

B: Enable DEBUG log level

C: Disable 2+3 (openweather) Enable 1+4
    => 14 h and still OK

D: Enable 2+3 (openweather) + disable 1+4 (news & calendar)
    => ongoing
*/

So in a few days I should know what’s triggering the issue…

TvE

Hmm so my latest config ran for more than 2 days.

I’m now reverting to the initial config (enabling all four config-changes) and then time will tell

TvE

@sdetweil This is really getting intersting - I have now re-enabled all the config changes so I’m back to my initial config and have been running for four days without a problem.

I even reproduced the problem on two differerent physical Pi’s (to eliminate HW) before starting to dissect the config…

So for now I can only conclude that something external was triggering these crashes!

I can now go back to the latest OS and start adding more stuff to my config (and keep my fingers crossed that I no longer encounter what-ever it was…)

Thank you for your help!

sdetweil

@tve interesting. keep us informed…

thgmirror

@TvE Do you use some wires at the GPIO? For example a PIR-sensor? Than may be interferences causes the issue when an electronic device is around your PI.

Or it is the temperature? Check it with
vcgencmd measure_temp

TvE

@sdetweil Will do!

@thgmirror Nope no PIR sensor (as in “not yet”)
My setup is as basic “Hello World!” as it can be (IMHO)
(The full config can be seen - as a diff to the sample - earlier in this thread)

The pi have been placed horisontally on my desk during all this testing.
It is in a cabinet though (the one from the “startet kit”).

I have measured the temperature (with my hand) and not been alarmed
Now I can validate my assumption based on your tip, thanx!

pi@mirror:~ $ vcgencmd measure_temp
temp=63.4'C

I have read that it’s possible to get add a cooling fin to the CPU, which is something I’ll look in to later (as I am also working on making a replacement for this guy, an image grabber [1].
You can no longer purchase it (and I can make more captures pr second on my pi) for 1/2 the price, I only need to add this thingy [2]
I have HelloWorld! for this, I “just” need to add

Capture to RAM disk in stead of USB
Auto upload to an ftp share (or maybe change this to scp…)
Maybe get the pi’s to netboot as well (as I need 10+ of the system)

But that’s completely irellevant to my MM problem ;-)

[1 ]https://www.epiphan.com/wp-content/uploads/2014/07/epiphan-vga2ethernet-brochure.pdf
[2] https://www.epiphan.com/products/avio-4k/