6.3-PRERELEASE: interrupt storm detected on "irq11:"; throttling interrupt source, (irq11 is em0)

Jack Vogel jfvogel at gmail.com
Thu Nov 15 12:52:38 PST 2007


On Nov 15, 2007 12:45 PM, Lev Serebryakov <lev at freebsd.org> wrote:
> Hello, Jack.
> You wrote 15 ?????? 2007 ?., 23:03:46:
>
>
> > sysctl hw.intr_storm_threshold
>    If I set this onw to 10000, em0 generate 1001-1002 irq per second
>  (accroding to vmstat -i) without any storm messages :)
>
>
> > In this old of an adapter though seems more likely something is
> > wrong.
>   Yep... 1002 ips without traffic... It is too much, IMHO :)
>
>
> > Let me see if our test group can dig up this adapter and try it.
>   It was sold as:
>
>   Intel PWLA 8390-MT Pro/ 1000MT (chip 82540EM) OEM

My test engineer has an adapter and is getting an OS setup to
check on it.

Have you tried this NIC on anything previously, an older release?

Jack


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