Date: Thu, 01 Jul 2010 09:12:56 +0200 From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no> To: d@delphij.net Cc: freebsd-hackers@freebsd.org, Matthew Jacob <mj@feral.com> Subject: Re: Supermicro BIOS's watchdog feature? Message-ID: <86d3v7n093.fsf@ds4.des.no> In-Reply-To: <4C2BD498.3090704@delphij.net> (Xin LI's message of "Wed, 30 Jun 2010 16:34:48 -0700") References: <4C2B07F5.6030801@delphij.net> <4C2B4D35.8060903@feral.com> <86lj9wmbrz.fsf@ds4.des.no> <4C2BBF3C.4070503@delphij.net> <86hbkkmad1.fsf@ds4.des.no> <4C2BD498.3090704@delphij.net>
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Xin LI <delphij@delphij.net> writes: > "Dag-Erling Sm=C3=B8rgrav" <des@des.no> writes: > > Perhaps the motherboard has additional watchdog hardware? If you > > disable the watchdog in BIOS, does ichwd still work? > If I kill -9 watchdogd the system do reset itself so I think ichwd(4) > really works even if BIOS setting is 'Disabled' (but I'm not sure if > this method is right? Looking at the code I think the answer is > probably "Yes" though) Yes. This confirms my hypothesis, which is that your motherboard has additional watchdog hardware, and that the BIOS setting controls that, not the ichwd watchdog timer. Just disable the watchdog in BIOS and use ichwd instead. DES --=20 Dag-Erling Sm=C3=B8rgrav - des@des.no
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