From owner-freebsd-hackers Tue Aug 7 19:37:37 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from nasu.utsunomiya-u.ac.jp (nasu.utsunomiya-u.ac.jp [160.12.128.3]) by hub.freebsd.org (Postfix) with ESMTP id 22B6F37B401 for ; Tue, 7 Aug 2001 19:37:33 -0700 (PDT) (envelope-from yokota@zodiac.mech.utsunomiya-u.ac.jp) Received: from nantai.utsunomiya-u.ac.jp by nasu.utsunomiya-u.ac.jp (8.11.2/1.1.29.3/26Jan01-1134AM) id f782bVc131095; Wed, 8 Aug 2001 11:37:31 +0900 (JST) Received: from zodiac.mech.utsunomiya-u.ac.jp by nantai.utsunomiya-u.ac.jp (8.11.2/1.1.29.3/30Jan01-0241PM) id f782bVK286100; Wed, 8 Aug 2001 11:37:31 +0900 (JST) Received: from zodiac.mech.utsunomiya-u.ac.jp (IDENT:l503YC1OBQ5fSQr7GAzSfezXKwnAeiU4@zodiac.mech.utsunomiya-u.ac.jp [160.12.43.7]) by zodiac.mech.utsunomiya-u.ac.jp (8.9.3+3.2W/3.7W/zodiac-May2000) with ESMTP id LAA05281; Wed, 8 Aug 2001 11:47:09 +0900 (JST) Message-Id: <200108080247.LAA05281@zodiac.mech.utsunomiya-u.ac.jp> To: freebsd-hackers@freebsd.org, yokota@zodiac.mech.utsunomiya-u.ac.jp Subject: Re: dmesg behaviour In-reply-to: Your message of "Tue, 07 Aug 2001 12:53:39 MST." References: Date: Wed, 08 Aug 2001 11:47:08 +0900 From: Kazutaka YOKOTA Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG As far as I understand, this feature works only if the machine does not clear its memory upon reboot. AT compatibles clear memory during the BIOS POST, thus, we don't see console log from the previous boot on the i386 platform. Kazu >sorry if that came across a bit rough... >I just know that I LOVE that feature. >(you don't get it on machines that clear ram between reboots) > > >On Tue, 7 Aug 2001, Les Biffle wrote: > >> > this is a wonderful feature that has saved my butt many times >> > (working in the kernel it's REALLY nice to have >> > the last panic message in the dmesg buffer.) >> > learn to love it.. :-) >> >> I can see the benefits. I will re-write the programs and scripts that >> eat the dmesg output to look for the last boot, but I'm concerned that >> the behavior is different on different platforms. I really hate mysterious >> platform differences. >> >> Thanks, >> >> -Les >> >> -- >> Les Biffle Community Service... Just Say NO! >> (480) 585-4099 les@safety.net http://www.les.safety.net/ >> Network Safety Corp., 5831 E. Dynamite Blvd., Cave Creek, AZ 85331 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message