Still getting 'calcru: runtime went backwards'
Stephen Montgomery-Smith
stephen at math.missouri.edu
Fri Jul 7 20:44:13 UTC 2006
Mike Jakubik wrote:
> John Baldwin wrote:
>
>> That is partly because when you run top it queries the resource usage
>> of the various processes via fill_kinfo_proc(). When you don't run
>> top, no one is asking for the resource usage numbers, so the kernel
>> doesn't waste time calculating them.
>>
>>
>
>
> Right, also running ps has the same effect. But why do these messages
> occur?
>
>> In both cases your errors are for a long-running kernel process that's
>> been up since boot. What's the uptime on your box?
>>
>>
>
>
> Not sure what the uptime was, this box is not in production yet so i
> shut it off regularly. I would guess under an hour.
I used to be able to get these predictably on FreeBSD 5, except then it
could actually cause a panic. If you run "top -s 0" (as root) you can
get these errors arriving at a spectacular rate.
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