coming back up after power failure (UPS)

Philip Hallstrom freebsd at philip.pjkh.com
Wed Mar 8 21:52:18 UTC 2006


> On an updated 5.4 box I am using Network UPS Tools (NUT) with an APC
> Smart-UPS.
>
> All is going very well but I cannot bring my box back up after
> simulating a power failure.  At the end of the shutdown the screen
> shows:
>
> "Press any key to reboot"
>
> Obviously this is not the desired outcome.
>
> How can I get my system to go down completely?  Beyond this I
> understand there may be some BIOS adjustments to be made.

man shutdown...

      -p      The system is halted and the power is turned off (hardware
              support required) at the specified time.

for starters... but yeah, you might need some BIOS changes...

>
> I thought ACPI might have something to do with this.  The next time
> around I booted with this disabled but this lead to another problem.
> My network could not be initialized.  I got this message a few times
> during startup and then the boot sequence continued with networking
> disabled:
>
> "sk0: watchdog timeout"
>
> I rebooted again, this time with ACPI enabled, and all was well again.
>
> --
> Peter
>
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