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46 views

External Watchdog Timer For Raspberry Pi B+ using 555 Timer IC

I want to make a External Watchdog Timer For Raspberry Pi B+ using 555 Timer IC. I find a Setup for Arduino and its code... int pulsePin = 2; int led = 6; unsigned long lastHeartbeat = 0; unsigned ...
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1answer
25 views

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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1answer
128 views

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 ...
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1answer
160 views

rPi B+ Arch Linux running Java application

My customer's java app (.jar) file runs on rPi B+ with arch linux 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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0answers
56 views

apt-get install fails because of some dependency loop with ax25 software

I'm having a problem installing the watchdog (using these instructions: http://blog.ricardoarturocabral.com/2013/01/auto-reboot-hung-raspberry-pi-using-on.html). My application is a ham radio chat and ...
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2answers
401 views

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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1answer
442 views

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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2answers
615 views

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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1answer
415 views

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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3answers
897 views

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 ...
2
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1answer
3k views

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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1answer
562 views

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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3answers
3k views

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: ...
3
votes
1answer
335 views

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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1answer
2k views

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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3answers
26k views

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 ...