From owner-freebsd-questions Thu Jun 17 16:26:33 1999 Delivered-To: freebsd-questions@freebsd.org Received: from veenet.value.net (value.net [209.182.128.4]) by hub.freebsd.org (Postfix) with ESMTP id 974E4155D7 for ; Thu, 17 Jun 1999 16:26:05 -0700 (PDT) (envelope-from rfg@monkeys.com) Received: from monkeys.com (i180.value.net [206.14.136.180]) by veenet.value.net (8.8.7/8.7.4) with ESMTP id QAA08084; Thu, 17 Jun 1999 16:29:40 -0700 (PDT) Received: from monkeys.com (LOCALHOST [127.0.0.1]) by monkeys.com (8.9.3/8.9.3) with ESMTP id QAA29706; Thu, 17 Jun 1999 16:26:47 -0700 To: Greg Lehey Cc: questions@FreeBSD.ORG Subject: Re: What happens in this case? In-reply-to: Your message of Fri, 18 Jun 1999 08:40:41 +0930. <19990618084040.G9893@freebie.lemis.com> From: "Ronald F. Guilmette" Date: Thu, 17 Jun 1999 16:26:47 -0700 Message-ID: <29704.929662007@monkeys.com> Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message <19990618084040.G9893@freebie.lemis.com>, you wrote: >On Thursday, 17 June 1999 at 13:00:09 -0700, Ronald F. Guilmette wrote: >> And anyway, why the heck does the dumpdev have to big as big as >> physical memory? I mean hay! What if I have 320MB physical, but only >> 100MB of that is actually allocated or in use at the moment of the >> panic? > >How is the dump routine going to know what's in memory? At the time >of the crash, you can't trust anything (not even the dump routine, but >we tend to gloss over that part). Yea. I guess I was just sorta vaguely hoping that the dump routine could also kinda gloss over the fact that you don't _really_) know which parts of memory are allocated at the moment. >> Then I should only need a 100MB swap partition to hold the panic >> dump, right? > >Which 100 MB would that be? The important part, of course. Don't be silly. :-) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message