[Nut-upsuser] Usbhip-ups going wild

[Antoine Gatineau]

Thanks for the answer.

Well I have tried to upgrade the nut drivers but it can't compile on RHEL4
due to dependencies.
Newer nut require RHEL5. Am I right?

Is this bug known and fixed in recent versions?

Thanks 

-----Message d'origine-----
De :
nut-upsuser-bounces+antoine.gatineau=alcatel-lucent.com at lists.alioth.debian.
org
[mailto:nut-upsuser-bounces+antoine.gatineau=alcatel-lucent.com at lists.alioth
.debian.org] De la part de Arjen de Korte
Envoyé : jeudi 30 juillet 2009 19:42
À : nut-upsuser
Objet : Re: [Nut-upsuser] Usbhip-ups going wild

Citeren Antoine Gatineau <antoine.gatineau at alcatel-lucent.com>:

> I am facing some serious issues on customer's site.
>
> I looked around on the web and in the archives but didn't find 
> anything. I hope you can help me.
> Here is my configuration :
> OS :RHES 4.7
> NUT : 2.2.0
> NUT-CLIENT : 2.2.0
> Hardware : IBM x3250M2 (dual-core intel E3110)
>
> Here are the symptoms :
> After some time, the performance of my applications on this server 
> began to drop with functional perturbation, so I took a look at the 
> system and found that upshid-nut is taking around 15 to 20% of cpu time.
> Uptime is 20 days. And total cpu time used by usbhid-ups is 396 minutes.
>
> This seems hudge for a driver.
>
> In tried then to stop nut drivers and the system crashed and reset.

Upgrade to a more recent version.

There have been tons of changes in the usbhid-ups driver since nut-2.2.0 was
released a little over two years ago. The older versions of this driver have
serious performance issues (as well as bugs), which have been solved since.

See the NEWS file for nut-2.4.1.

Best regards, Arjen
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