5.3 in diskless cluster: irregular reboots at 14:09 hr. ?!?!

[Kris Kennaway]

On Tue, Jan 18, 2005 at 08:31:45PM +0900, Rob wrote:

> Last December, I have removed its UPS, and connected the two PCs directly
> to the main power (taking for granted the risk of no protection against
> sudden power cuts).
> 
> Since that action, no unexpected reboots have happened.
> 
> If no more followups will come, this is the conclusion of my problem:
> A badly functioning UPS.
> 
> Don't know why the time of 14:09 was so critical. Maybe some big switch
> somewhere in the chemistry building, that causes a ripple on the
> stability of the power in the building. Just a wild guess.

Thanks for following up.  It's important that this information is now
in the mailing list archives, because so many people have difficulty
believing that this kind of problem can and does exist when they're
reporting "instability" on FreeBSD.

Kris
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