Questions tagged [watchdog]
a watchdog timer is a simple, low-level electronic timer to detect faults in program execution and recover from malfunction, usually by rebooting the system.
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How to configure the watchdog
I tried to configure the watchdog on several Pi's with the latest Raspbian by adding "dtpatam=watchdog=on" to /boot/config.txt and adding a file called /etc/watchdog.conf with:
watchdog-...
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After activating Watchdog on Raspbian the system goes to login screen when system reboots after freezing
I have made the necessary watchdog settings for 2021-12-02-raspios-buster-armhf in accordance with Watchdog on the RPi4 in the operating system. When I test the watchdog with fork bomb command sudo ...
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Watchdog and autologin - raspberry pi zero-
Hi I have turned on watchdog and configurate them at my raspberry. I tested at my raspberry with fork-bomb and watchdog work - fork-bomb
( I wrote this command to console )
:(){ :|:& };:
freeze ...
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RPi3 randomly freezing and timing out SSH connections
I have set up an RPi3 running a Node.js server (with pm2) in a remote location. Even though the internet is quite fast, the pi sometimes times out or is very very slow.
Recently I have set up a ...
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Watchdog is running?
I need to enable Watchdog functionality on my RPi.
I've followed this guide: https://medium.com/@arslion/enabling-watchdog-on-raspberry-pi-b7e574dcba6b
No errors were reported, I installed everything ...
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Modbus to USB stops working after a few days
I monitor 10 Modbus devices with a Raspberry Pi 3B. Each modbus device sits about 20-30cm from the Pi and sends signal to the Pi through a Modbus RS485 to USB converter, which is shown here: https://...
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RPi3 Watchdog monitoring a directory instead of a file
I have a C++ application that permanently runs on a Raspberry Pi 3 and might occasionally freeze. It writes logfiles using Boost log and a good indication of a freeze is the absence of logging output ...
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PI watchdog logs
I want to start using watchdog to check if I have problem in the connection.
so I have check for ETH0 ping 10.0.0.1 (my router IP)
I have install the basic "Watchdog" from here:
sudo apt-get ...
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Raspberry Pi Zero W in OS startup boot loop
I have a Raspbery Pi Zero W that was working, but today seems to be stuck in a boot loop.
I'm running Raspian Lite on it. The boot messages look normal as far as I can tell. The last message I see ...
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Hardware watchdog during reboot
I'm creating a prototype of a Raspberry Pi 3B+ that uses Mender as the update manager. My goal is that if the Raspberry Pi is stuck somewhere in the boot process (Corrupted Kernel that cannot even ...
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Disabling watchdog in Raspberry Pi Archlinux ARM
Speaking of Watchdog, here archwiki says:
Many users need this feature due to their system's mission-critical
role (i.e. servers), or because of the lack of power reset (i.e.
embedded devices). ...
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Tuning watchdog cpu usage
I've enabled the watchdog module
# /etc/modules
i2c-dev
bcm2835_wdt
And installed and activated the watchdog daemon with the following configuration:
# /etc/watchdog.conf
realtime = yes
priority =...
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Watchdog on the RPi4
Does the Raspberry Pi 4 have a hardware watchdog timer like the RPi3 does?
If it does, which kernel module should I load in order to use it?
I'm running Raspbian Buster, kernel 4.19.93-v7l+
Thanks.
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Restart Pi after ping failure?
I have been creating a prototype using Pi Zeros, they work great at my house but are failing often at customer's site (other side of country).
I do not know if the Pi kernel is crashing or if it's ...
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Installing Watchdog Daemon on Arch
I've been following along with the instructions on the Arch Linux Arm wiki.
The install itself went just fine, but in following the post-install suggestions on the Wiki tab, I got stuck at the ...
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Rpi3 is the hardware watchdog enabled by default
I have RaspberryPI's 3 (running both Jessie and Stretch) and tested on both
In order to enable the watchdog timer, In many posts I saw that add in the /boot/config.txt a line with:
dtparam=watchdog=...
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Raspberry PI 3 freeze for some hours and afterwards its working
I've a strange issue with my raspberry pi 3:
The raspberry is working fine, after a while the raspberry stops working for about 5 hours. Afterwards the raspberry recovers itself (without rebooting!) ...
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Watchdog doesn't load in Raspberry pi 2
I have an raspberry py 2 running debian stretch and I have done all procedures to load watchdog, but I can't get module to work....it just doesn't show anything, even error!
I can see watchdog 'device'...
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Cannot install the watchdog package
I have recently updated the OS on my Pi to Raspbian Stretch and having problems setting up the watchdog. Namely when I try to download the package I get the following error message:
$ sudo apt-get ...
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Where do the pigpio watchdogs run? Could watchdogs on multiple GPIO pins conflict?
I'm using pigpio bit-banging script (download, GitHub) that interprets the pulse durations generated by the DH22 Temperature/Humidity sensor. It sets a 200 ms pigpio watchdog to the GPIO pin and ...
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Watchdog service doesn't kick /dev/watchdog in OSMC
I have installed watchdog service on OSMC/Raspberry Pi 3. It starts now automatically, but doesn't touch the /dev/watchdog device.
How I check this:
ls -l /dev/watchdog
crw------- 1 root root 10, ...
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Add delay to startup Watchdog on boot Raspberry
I set up the watchdog to reboot my Raspberry if : fails ping, overheating and if a file is not updated for more than 3 minutes. Now I have a problem: the watchdog start on boot of my Raspberry, but I ...
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Changing watchdog timeout on RPi3
I want to change the timeout value of RPi (I use RPi3) internal watchdog.
I wrote the simple application like so:
#include <sys/ioctl.h>
#include <errno.h>
#include <unistd.h>
#...
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How to keep watchdog timer running during reboot/shutdown
In my research so far I've noticed there are two approaches to activating a watchdog timer on raspberry: using systemd or installing watchdog. It's all explained well here: https://www.raspberrypi.org/...
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How to set up multiple wifi networks?
I know how to set up multiple wifi networks, as in this question. However, I have additional needs not addressed there:
First: How do I know which network made the connection (for instance, in the ...
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Restart Pi if not reachable (3G)
My Pi 2 is uses a USB Modem 3G connection.
Sometimes the connection gets stuck and the Pi is no longer reachable via SSH, (Weaved).
The Pi itself looks normal, ( the Pi is on and the light on USB ...
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FATAL: Module bcm2708_wdog not found
I would like to install watchdog timer on Raspbian Wheezy, but when I execute:
sudo modprobe bcm2708_wdog
I get:
FATAL: Module bcm2708_wdog not found.
uname -a
Linux raspberrypi 4.4.7-v7+ #878 ...
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Create a watchdog for RPi using Arduino
I have a RPi 2 and my circuit involves an Arduino connected to it using Logic level converter. I want my Arduino to act as a watchdog for Pi that will receive a signal timely from Pi and if not ...
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Raspbian watchdog fails at boot
I have a raspberry pi 2 with original power supply (5v 2a) from farnell with raspbian. Tried more than 4 sd cards (lexar class 10, kingston class 8, trasncendet class 10) connected to the router via ...
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Pi B, Raspbian Jessie. Watchdog doesn't start at boot
After upgrading to Jessie, watchdog doesn't start at boot anymore. Starting it manually using "sudo service watchdog start" does work.
I tried:
purging and reinstalling watchdog
update-rc.d
I ...
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B+ Pi hangs what watchdog settings do I need?
This has been going on for a while.
Raspbian B+ regularly updated and kernel updated, nothing connected other than Ethernet cable and power supply is Pi rated(from ModMyPi with a ModMyPi noodle cable)...
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rPi B+ Arch Linux running Java application
My customer's java app - .jar file runs on rPi B+ with ArchLinux installed. Now, I've also enabled hardware watchdog timer which purpose is to reboot rPi when java app hangs. Now, I've configured the ...
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Best practices for "hardening" an RPi for embedded applications (unattended operation)?
This is a very general question, but I'm sure others will want to know the answer...
I'm using headless RPi's for a remote monitoring application. These RPi's will be buried in utility closets and ...
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Using Watchdog to reboot in case of overheat
Is it possible to use Watchdog to reboot the Raspberry Pi in case of overheating?
I tried making Watchdog read the temperature from /sys/class/thermal/thermal_zone0/temp but so far no such luck.
Can ...
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Raspberry Pi Reboot Cycle After SD Clone - Card works on old Pi but not new ones
I have a Raspberry Pi which runs a Python script on boot. They initiate and stroke the hardware watchdog at /dev/watchdog. I recently tried cloning the SD card onto two other SD cards. However on ...
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How can I mitigate the need for manual intervention with remotely deployed Raspberry Pis?
I'm working on a project that makes use of Raspberry Pis which will be deployed to several locations. They have special hardware attached to it for automation purposes, and run a web-service (that I ...
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Watchdog timer waking-up Pi after shutdown
I would need the Watchdog timer of the Pi to kiss the halted Pi awake to make it boot again.
I know about the Watchdog timer limitations, and that it should not be able to do it, but I have seen ...
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mmc0: Timeout waiting for hardware interrupt trigger watchdog
During a strong file I/O application, the Pi regular crashes.
mmc0: Timeout waiting for hardware interrupt - cmd25.
mmc0: Timeout waiting for hardware interrupt - cmd12.
mmc0: Timeout waiting for ...
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Can't edit /etc/modules and add "bcm2708_wdog"
i tried following the directions here for the watchdog
Link: http://pi.gadgetoid.co.uk/post/001-who-watches-the-watcher
i can't get even past the first attempt, here's an SS: http://prntscr.com/ohvq1 ...
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WatchDog Daemon not restarting PI after fork bomb
I have tried to run the WatchDog Daemon using the tutorial found at http://binerry.de/post/28263824530/raspberry-pi-watchdog-timer
So basic process I ran through to get WatchDog up and running is:
1....
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How do I get hardware Watch Dog working in soft-float Wheezy?
I have moved from the beta Wheezy release to the final release currently on the official download page (2012-08-08-wheezy-armel.zip). The hardware watch dog no longer seems to work. I have tried ...
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Can I send a heart beat to hardware watch dog from my own program?
Following on from the question and excellent answer provided by Steve Robillard here:
How do I hard reset a Raspberry Pi?
How can I send a heartbeat signal from my own program to the BCM2708's ...
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How do I hard reset a Raspberry Pi?
How do I hard reset a Raspberry Pi?
Obviously you can power cycle, but is there a more subtle way, like a reset pin? It would be very useful to connect a watchdog in case the Raspberry Pi crashes (...
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