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Date:      Fri, 28 Feb 2003 11:44:37 -0800 (PST)
From:      John Polstra <jdp@polstra.com>
To:        mobile@freebsd.org
Cc:        larse@ISI.EDU
Subject:   Re: wi polling
Message-ID:  <200302281944.h1SJibch031470@vashon.polstra.com>
In-Reply-To: <3E5FB2C4.1020300@isi.edu>
References:  <20021022004219.V15421-100000@edge.foundation.invalid> <3E5F9C5A.3000503@isi.edu> <20030228.104434.70648014.imp@bsdimp.com> <3E5FB2C4.1020300@isi.edu>

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In article <3E5FB2C4.1020300@isi.edu>, Lars Eggert  <larse@ISI.EDU> wrote:
> 
> Sorry for being unclear: By "livelock" I mean the CPU spends all its 
> cycles on receive and hostap processing, to a point where userland 
> processes are starved. The box doesn't panic and becomes responsive 
> again when network load goes down.

Are you using IPSec on the interface?  I've noticed that's a
reliable way to produce the symptoms you described.

John
-- 
  John Polstra
  John D. Polstra & Co., Inc.                        Seattle, Washington USA
  "Disappointment is a good sign of basic intelligence."  -- Chögyam Trungpa


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