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From: bugzilla-noreply@freebsd.org
To: net@FreeBSD.org
Subject: [Bug 280386] if_bridge throws output errors under load
Date: Mon, 21 Oct 2024 10:17:01 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D280386

--- Comment #20 from pascal.guitierrez@gmail.com ---
(In reply to Kevin Bowling from comment #19)


Thanks Kevin, yes you are right, repeating the test gets to a state where
interrupts are processed on a single core and packet drops occur:

  13 igb0:rxq0
7972 igb0:rxq1
  97 igb0:rxq2
   1 igb0:rxq3

On a good run there are zero drops and interrupts being processed on two co=
res:

8041 igb0:rxq0
   1 igb0:rxq1
8038 igb0:rxq2
     igb0:rxq3


Do you know if this is expected behaviour or is it a problem?

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