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6
votes
1answer
157 views

Do I own a watchdog?

Quite often times when I do a reboot, I get the following error message: kernel: watchdog watchdog0: watchdog did not stop! I tried to find out more about watchdog by doing man watchdog, but it ...
3
votes
0answers
55 views

Is Watchdog can be disabled if once it is enabled?

I created a watchdog daemon application with time interval of 30 seconds; for every 5 seconds, I am trying to hit the watchdog counter, and it's working fine. If I kill this daemon process it shows ...
2
votes
2answers
315 views

Any way in Bash to write to a file every X seconds without closing it?

The hardware watchdog on my system needs a 0 written to /dev/watchdog at less than 60 seconds interval or it will fire. The file handle must be kept open however or the watchdog is then disabled. ...
1
vote
0answers
61 views

linux watchdog and systemd watchdog

I'm in trouble with watchdog :( Is there any way to register application into systemd watchdog at runtime? Does linux watchdog only use for system reset or it can be use for application reset?
2
votes
1answer
541 views

How enable watchdog?

I'm struggling with the watchdog timer (wdt) for a while. I can't get it working. My microcontroller is a AriaG25, based on the AT91SAM925. I have used this tutorial to compile the kernel. The ...
1
vote
0answers
27 views

Building a process Watchdog [duplicate]

I intend to write a process watchdog that runs out of cron or similar that watches all of the core processes denoting things like run state, VMstat, Inet operations and reports it to a file or ...
2
votes
1answer
3k views

How to correctly configure Debian watchdog daemon for BIOS Watch Dog?

Supermicro main boards contain a BIOS feature named "Watch Dog Function". Having Debian 6.0.6 with kernel "Linux debian 2.6.32-5-amd64 #1 SMP" we did: Change BIOS "Watch Dog Function" from Disabled ...
5
votes
1answer
3k views

What is a “watchdog reset”?

After reading this question, I was a little confused; it sounds like some daemon reacting by rebooting a system. Is that right? Is it a common occurrence in embedded *nixes?
2
votes
2answers
2k views

How do I cause a watchdog reset of my embedded Linux device

Is there a command like vi > out vi | out That I could use to cause a watchdog reset of my embedded linux device?