weird save-entropy behaviour

Mel Flynn mel.flynn+fbsd.questions at mailing.thruhere.net
Sun Nov 15 22:12:26 UTC 2009


On Sunday 15 November 2009 17:30:02 Ed Jobs wrote:

> Yesterday, i noticed a very weird behaviour on my computer (which is
>  running 8.0-RC3 btw.
> The shells were not responding and the load was insane, and constantly
> going up. At the time i managed to lock myself out, the load was 84 and
> growing (i have a screenshot if anyone is interested).
> 
> That happened last night. Today, the computer was ok and i managed to ssh
> into it. The root account was spammed with two types of cron mails.
> 
> half of them said:
> mv: /var/db/entropy/saved-entropy.2: No such file or directory
> 
> and the other half said:
> override r--------  operator/operator for /var/db/entropy/saved-entropy.2?
> (y/n [n]) not overwritten
> 
> So i know that it's the save-entropy cron job, but i doubt that was
>  supposed to happen, and i have never touched that directory. Anyone has an
>  idea?

Did the operator uid change or perhaps shared with another uid?
Check both `id operator` and `id 2`.

Secondly, why did this stop? Seems like a weird question to ask, but since 
this script is supposed to run every 11 minutes, there should not be a reason 
for this to stop, if there's a race condition.
-- 
Mel


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