Date: Sun, 26 Aug 2007 01:46:28 +0200 From: Harald Schmalzbauer <h.schmalzbauer@omnisec.de> To: freebsd-current@freebsd.org Cc: Dag-Erling =?utf-8?q?Sm=C3=B8rgrav?= <des@des.no> Subject: Re: ichwd and teethless watchdogd Message-ID: <200708260146.30283.h.schmalzbauer@omnisec.de> In-Reply-To: <86zm0fkxae.fsf@ds4.des.no> References: <200708231028.07743.h.schmalzbauer@omnisec.de> <200708252233.30392.h.schmalzbauer@omnisec.de> <86zm0fkxae.fsf@ds4.des.no>
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Am Sonntag, 26. August 2007 01:30:01 schrieb Dag-Erling Sm=C3=B8rgrav: > Harald Schmalzbauer <h.schmalzbauer@omnisec.de> writes: > > I thought I was sure that I checked the bios setting and wd timer was > > set to on, but maybe after the laste BIOS update it was reset to off. > > Problem solved, the box reboots whe sigkilling watchdogd. > > Interesting, if your BIOS can disable the WDT without the driver > noticing, it must mean that it implements an SMI handler that resets (or > perhaps stops) the WDT when it expires. AFAIK there is no (documented) > way to either detect or prevent this. If you are interested in the verbose dmesg please find it here: http://www.schmalzbauer.de/korso2/dmesg.verbose I could give you access via serial console too, it's not in production yet. Thanks, =2DHarry
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