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Date: Tue, 30 Oct 2007 17:57:13 -0700
From: Sam Leffler <sam@errno.com>
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To: Jack Vogel <jfvogel@gmail.com>
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Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>,
	FreeBSD Current <freebsd-current@freebsd.org>,
	FreeBSD Stable List <freebsd-stable@freebsd.org>
Subject: Re: em watchdog problem
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Jack Vogel wrote:
> This morning I had an idea about what the source of the watchdog
> problem is. Also, we have repro'd at least one type of watchdog
> inhouse.
>
> One question, is this problem only happening for those running
> STABLE with the 6.6.6 merged driver?
>
> We found the problem does not seem to happen on 7.0.
>
> Right now my suspicion is that the FAST irq handling is
> again causing a problem. I am experimenting with variations
> to the code today to be sure whats going on, and hopefully
> fixing it.
>   

I see it on HEAD and releng7.

    Sam