linux-kernel - Re: [PATCH 1/2] watchdog: iTCO_wdt: optionally leave watchdog enabled during restart

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Date:	Thu, 07 Jul 2011 16:53:31 +0100
From:	Pádraig Brady <P@...igBrady.com>
To:	Valdis.Kletnieks@...edu
CC:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Wim Van Sebroeck <wim@...ana.be>,
	linux-kernel@...r.kernel.org, linux-watchdog@...r.kernel.org
Subject: Re: [PATCH 1/2] watchdog: iTCO_wdt: optionally leave watchdog enabled
 during restart

On 07/07/11 16:39, Valdis.Kletnieks@...edu wrote:
> On Wed, 06 Jul 2011 10:09:36 MDT, Bjorn Helgaas said:
> 
>> If we reboot via BIOS, BIOS should disable the watchdog itself, so this
>> shouldn't cause unintended resets, even if the user interrupts the boot.
> 
> Yes, but didn't Linus say something about BIOS code authors being
> crack-addicted monkeys? :)

Yes as I said in a round about way in another mail,
one can't depend on that at all.
Some reset, some don't, some behave weirdly,
iTCO is unusual as kernel resets early at boot, ...

If using this, one would have to set the timeout large enough,
to encompass a full reboot
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