linux-kernel - Re: [PATCH -rt DO NOT APPLY] Fix for tg3 networking lockup

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Message-ID: <20060803235927.GB10932@gondor.apana.org.au>
Date:	Fri, 4 Aug 2006 09:59:27 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	tytso@....edu, mchan@...adcom.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH -rt DO NOT APPLY] Fix for tg3 networking lockup

On Thu, Aug 03, 2006 at 04:56:54PM -0700, David Miller wrote:
> 
> As Michael explained, it's the ASF heartbeat sent by tg3_timer() that
> must be delivered to the chip within certain timing constraints.
> 
> If you had any watchdog devices on this machine, they would likely
> trigger too and reset your machine :)

Watchdogs usually require one heartbeat every 30 seconds or so.  Does
the ASF heartbeat need to be that frequent?

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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