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Date:      Wed, 23 Aug 2006 13:37:41 +0400
From:      Gleb Smirnoff <glebius@FreeBSD.org>
To:        Pyun YongHyeon <pyunyh@gmail.com>
Cc:        freebsd-current@FreeBSD.org
Subject:   Re: call for bge(4) testers
Message-ID:  <20060823093741.GF96644@FreeBSD.org>
In-Reply-To: <20060822042023.GC12848@cdnetworks.co.kr>
References:  <20060822042023.GC12848@cdnetworks.co.kr>

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On Tue, Aug 22, 2006 at 01:20:23PM +0900, Pyun YongHyeon wrote:
P> After fixing em(4) watchdog bug, I looked over bge(4) and I think
P> bge(4) may suffer from the same issue. So if you have seen occasional
P> watchdog timeout errors on bge(4) please give the attached patch a try.
P> The patch does fix false watchdog timeout error only.
P> Typical pheonoma for false watchdog timeout error are
P>        o polling(4) fix the issue
P>        o random watchdog error
P> 
P> If my patch fix the issue you could see the following messages.
P> "missing Tx completion interrupt!" or "link lost -- resetting"

I still think that this fix is incorrect. It is just a more gentle
recovery from a fake watchdog timeout.

The more I think, the more I doubt that we really need the
watchdog infrastructure that comes from old days.

-- 
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE



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