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Questions tagged [watchdog]

watchdog is a daemon. It opens /dev/watchdog, and keeps writing to it often enough to keep the kernel from resetting - at least once per minute.

26 questions
21
votes
7 answers

watchdog: BUG: soft lockup - CPU#6 stuck for 23s

I tried every solutions I found on google ... I can't find out why my server is crashing ... Aug 5 17:11:08 kernel: [ 2300.084576] watchdog: BUG: soft lockup - CPU#6 stuck for 23s! [VM Thread:4054] Aug 5 17:11:08 kernel: [ 2300.084578] Modules…
Dr.Blamo
  • 313
11
votes
1 answer

rcu_sched self-detected stall on CPU + watchdog: BUG: soft lockup - CPU#3 stuck for 22s

Being unable to ssh into a machine I connected it to a monitor and found the following: The machine is running Ubuntu Server 18.04 LTS and is a first generation 8 core Ryzen 1700. I've restarted the machine since and it works fine but am not sure…
Greg
  • 298
4
votes
3 answers

How can I tell how long for Watchdog to wait to stop all processes?

I have a server which is monitored by Watchdog, and experiences reboots occasionally due to faulty network hardware I am unable to replace at the moment. As I read, Watchdog sends a SIGTERM to all processes, requesting a safe shutdown, and after a…
nanofarad
  • 20,906
3
votes
1 answer

Lubuntu 16.04 gets stuck at shutdown (nmi watchdog bug soft lockup - cpu#1 stuck for 22s)

Occasionally my computer(Lubuntu 16.04 64 Bit) gets stuck at shutdown. It shows the message nmi watchdog bug soft lockup - cpu#1 stuck for 22s and never finishes shutdown.This message comes after the message Reached target shutdown.. What causes…
NFS Most Wanted
  • 191
2
votes
1 answer

How to implement a last resort physical reset button for resetting kiosk app?

I have a kiosk app which runs on a dell 760 machine running ubuntu 14.04 server with a touch screen. The kiosk app is running in a browser and the system is locked down (chrome is running in kiosk mode). Sometimes it could happen that there will be…
nahom
  • 43
2
votes
0 answers

CPU keeps hanging. TTY and Console locked up. watchdog: BUG: soft lockup

I have been fighting against a new server build that I am doing where the CPU keeps locking up after about a day of running. I thought it was something with a bad install so I reinstalled 22.04 LTS again but still having the same issue. Now this…
FireAmpersand
  • 31
2
votes
0 answers

watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:2:101147] - up-board up² upsquared - Ubuntu 20.04 LTS

we are using an up-board up² (up-squared) in a headless configuration as an IoT device to control different hardware via local REST interfaces. Sometimes when a USB device gets faulty or is damaged, we are facing the above warning in /var/log/syslog…
Sebastian Huber
  • 21
2
votes
0 answers

Ubunto 19.10 stuck with soft lockup cpu stuck after kernel update

I am about a month new to linux and am running Ubuntu on an Asus VivoBook laptop (F512D) in a dual boot with Windows. Ubuntu installed smoothly and I have been using it for about a month with no problem. 2 days ago I opted to install the latest…
user7492047
  • 121
1
vote
1 answer

Detecting file changes in directory synced with external cloud storage in Ubuntu 16.04 LTS

I am making a software that detect if a new file is uploaded into the Google Cloud Platform's bucket storage from virtual machine instance. A file directory named images was mounted to the bucket using Cloud Storage Fuse by this command gcsfuse…
kamal samsudin
  • 11
1
vote
1 answer

watchdog daemon is not active after reboot in 16.04

The command sudo systemctl status watchdog shows it is "dead". The command sudo systemctl enable watchdog didn't helps. The command sudo systemctl start watchdog starts it (and it works), but only until reboot. $ cat /etc/default/watchdog # Start…
beemaster
  • 51
1
vote
0 answers

Why is CPU locking up?

Woke up this morning without a working computer. It had basically frozen, only on existing prompt still worked, and issuing "reboot" command didn't work. Strangely enough, things like ls -l and htop did work. And updatedb was shown using 102%…
Eloque
  • 119
1
vote
0 answers

watchdog: BUG: soft lockup - CPU#111 stuck for 23s! [swapper/111:0]

I've been searching for the solution to this problem for days, but I couldn't find the exact information I need. I'd be grateful if anyone could help. Aug 28 14:23:06 AMS kernel: [1499509.120893] watchdog: BUG: soft lockup - CPU#111 stuck for 23s!…
Ahmet
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1
vote
0 answers

How do I use the softdog module?

I am trying to use the software watchdog kernel module called softdog. I am not sure how to use it properly. I have removed the module from ... /etc/modprobe.d/blacklist-watchdog.conf Then I have run... modprobe softdog This resulted in the…
Scorb
  • 1,330
1
vote
0 answers

Watchdog on cloud based server and database?

I am running a cloud based server and two database. I have python scripts that connects to the databases and moves data between them. When the cloud databases have been updated or outages, the connections have been lost and the scripts have…
jawwe
  • 111
0
votes
3 answers

Cannot shut down / restart Ubuntu 16.04

I have installed Ubuntu 16.04 with Windows 10 dual boot option. Everything works fine with Windows, but when I try to shut down or reboot the Ubuntu (Suspend works), then it never shuts down properly and I need to power it off using the power…
E. Muuli
  • 103
1
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