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

Lev Serebryakov lev at FreeBSD.org
Thu Nov 15 12:44:58 PST 2007

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

// Black Lion AKA Lev Serebryakov <lev at FreeBSD.org>

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