From owner-freebsd-hackers Mon Jan 15 9:10: 5 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from fw.wintelcom.net (ns1.wintelcom.net [209.1.153.20]) by hub.freebsd.org (Postfix) with ESMTP id 78A8737B400 for ; Mon, 15 Jan 2001 09:09:46 -0800 (PST) Received: (from bright@localhost) by fw.wintelcom.net (8.10.0/8.10.0) id f0FH9ii08979; Mon, 15 Jan 2001 09:09:44 -0800 (PST) Date: Mon, 15 Jan 2001 09:09:44 -0800 From: Alfred Perlstein To: Xavier Galleri Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: Need help for kernel crash dump analysis Message-ID: <20010115090944.W7240@fw.wintelcom.net> References: <20010111163903.E6FF737B400@hub.freebsd.org> <3A5DE59F.6060602@enition.com> <3A5E090B.40601@enition.com> <20010111114318.C7240@fw.wintelcom.net> <3A632009.1030604@enition.com> <20010115083842.V7240@fw.wintelcom.net> <3A632DD3.1040202@enition.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <3A632DD3.1040202@enition.com>; from xgalleri@enition.com on Mon, Jan 15, 2001 at 06:05:23PM +0100 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG * Xavier Galleri [010115 09:05] wrote: > Thank you for your answer, > > We are actually working with FreeBSD 4.1-RELEASE. The 'delta' you are > refering to is actually a bit too large to be displayed simply in this > mailing list. I am not sure to be able to produce the same problem with > a small prototype because of the actual complexity of our processing > inside 'ip_input'. I will see what I can do ... I didn't want your proprietary code, I just want a simple delta that shows the problem you're having. > Concerning the question on GDB usage, do you have any hint to provide ? Not sure, the handbook should explain how to run gdb remotely over serial console, that can be very helpful. > Also, concerning my assumption on FreeBSD behaviour with regards to > preemption, could you confirm that it is correct ? And do you agree with > me that I should not get ( some_counter - some_other_counter == 1 ) when > 'splnet' has been called (this I have asserted by printing 'cpl' to be > equal to 0x620000 at crash time) ? Not sure, I would need the code to know if what you're doing follows this invariant. -- -Alfred Perlstein - [bright@wintelcom.net|alfred@freebsd.org] "I have the heart of a child; I keep it in a jar on my desk." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message