The 'watchdog did not stop' message has returned

From:

Make backup a default grub file:

sudo cp /etc/default/grub /etc/default/grub.bak

Edit grub file in Your favorite text editor. For this HowTo I used nano.

sudo nano /etc/default/grub

Find line:

GRUB_CMDLINE_LINUX=""

Disabling Watchdog feature

nowatchdog

…don’t forget to

sudo update-grub

NOTE: blacklist Watchdogs modules too:
/etc/modprobe.d/blacklist.conf

blacklist iTCO_wdt
blacklist iTCO_vendor_support
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