Date: Fri, 12 May 2000 09:01:24 +0930 From: Greg Lehey <grog@lemis.com> To: "Brian O'Shea" <boshea@ricochet.net> Cc: Marco Molteni <molter@sofia.csl.sri.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: kernel panics at boot, how to specify dump device? Message-ID: <20000512090124.C10505@freebie.lemis.com> In-Reply-To: <20000511130359.Y337@beastie.localdomain> References: <20000511122038.A99408@sofia.csl.sri.com> <20000511130359.Y337@beastie.localdomain>
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On Thursday, 11 May 2000 at 13:03:59 -0700, Brian O'Shea wrote: > On Thu, May 11, 2000 at 12:20:38PM -0700, Marco Molteni wrote: >> >> I have a 4-STABLE kernel that panics at boot. How do I force the kernel >> to core dump? >> >> I know that the handbook says to build a debug kernel and to set the >> dump device via (dumpon + /etc/rc.conf) but in this case the kernel >> panics during booting. The handbook says that, if the kernel panics at >> boot, one can specify the dump device in the kernel configuration file, >> with the "config kernel" line. I tried something like >> >> config kernel dump on /dev/wd0s3b > >> From the LINT kernel config file: > > config kernel root on wd0 dumps on wd0 That's not there in 4.0. I believe most of this was vandalized some time late last year. I've been running in to this problem too. I'm planning to add an option to ddb where you can specify the dump device at the time where you want to take the dump. Marco, where exactly is it panicing? Do you have ddb in the kernel? Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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