Date: Thu, 12 Sep 2002 06:32:32 -0700 From: Terry Lambert <tlambert2@mindspring.com> To: mark tinguely <tinguely@web.cs.ndsu.nodak.edu> Cc: bms@spc.org, hackers@FreeBSD.ORG Subject: Re: Supporting HW_WDOG? Message-ID: <3D809770.6E6CA1FD@mindspring.com> References: <200209121315.g8CDFVJ55830@web.cs.ndsu.nodak.edu>
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mark tinguely wrote: > > Is there any documentation, or source code, demonstrating how to implement > > a hardware watchdog for FreeBSD using the HW_WDOG kernel option? > > the HW_WDOG option attempts to keep the watchdog from expiring while > the core memory is being dumped to a IDE drive. The SCSI dadump() > does not use wdog_tickler. By this, you mean that it does not support preventing the watchdog rest from being triggered while a dump is in progress? > your hardware watchdog driver will have to set the varible wdog_tickler > to your watch dog tickler routine, or a generic routine if multiple watchdog > timers could be supported in one machine. And modify the SCSI dadump() to call the routine at intervals during a dump, right? -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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