Date: Wed, 28 Feb 2001 23:59:46 UT From: Peter.Blok@inter.NL.net To: grog@lemis.com Cc: Peter.Blok@inter.NL.net, freebsd-stable@freebsd.org Subject: Re: DDB watch Message-ID: <200102282359.AAA10244@altrade.nijmegen.inter.nl.net>
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This is a multi-part message in MIME format. --_----------=_98340478657393 Content-Disposition: inline Content-Length: 902 Content-Transfer-Encoding: binary Content-Type: text/plain The location was ok. I suddenly realize it was on a dual cpu system. Could SMP break the watch behavior? > On Sunday, 25 February 2001 at 22:52:11 +0100, Peter Blok wrote: > > Hi, > > > > I was trying to setup a "watch" in DDB. When it hits it, the kernel > > reboots. Am I doing something wrong or isn't it working. I start up > > with boot -d set a breakpoint somewhere, hits breakpoint and set > > watchpoint. After the continue it crashes, without a backtrace. Just > > a black screen and reboot. > > There are places where you can't set a breakpoint. An obvious place > is in the ddb code: if you hit a breakpoint there, you're going to > recurse to the top of the stack and crash. There are other less > obvious places, and I suspect that's what you have hit. > > Greg > -- > Finger grog@lemis.com for PGP public key > See complete headers for address and phone numbers --_----------=_98340478657393-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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