I have a computer that always has issues restarting/shutting down. I've installed many Linux distributions on it, including Debian 9 and VMware Photon OS, and I always have the same issue.

When I restart, the machines does not actually restart, it rather stops at a message saying "watchdog watchdog0: watchdog did not stop!" and simply sits there, doing nothing.

I have tried changing GRUB_CMDLINE_LINUX="" to GRUB_CMDLINE_LINUX="reboot=bios" and GRUB_CMDLINE_LINUX="reboot=acpi"

I have also configured RuntimeWatchdogSec and ShutdownWatchdogSec to 0

I have also enabled and disabled acpi in the bios

I also tried systemctl reboot, shutdown -r now, init 6 and various other suggestions I found online.

But no luck. The behavior does not change, the computer does not restart, it just stays there showing watchdog watchdog0: watchdog did not stop!

I don't have the same issue on other computers, so my guess is that there's something wrong with the bios settings on this computer, I just can't figure out what. I've reset the bios to it's default settings, but again, no luck.

Any suggestions?

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