From owner-freebsd-questions Mon Mar 24 20:34: 1 2003 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0CE0937B401 for ; Mon, 24 Mar 2003 20:33:59 -0800 (PST) Received: from snipe.mail.pas.earthlink.net (snipe.mail.pas.earthlink.net [207.217.120.62]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4DAE443FA3 for ; Mon, 24 Mar 2003 20:33:58 -0800 (PST) (envelope-from rperry4@earthlink.net) Received: from dialup-63.208.119.177.dial1.weehawken1.level3.net ([63.208.119.177] helo=ntwinn) by snipe.mail.pas.earthlink.net with smtp (Exim 3.33 #1) id 18xg8G-0007Uc-00; Mon, 24 Mar 2003 20:33:53 -0800 Message-ID: <017101c2f287$ec8d1190$0501a8c0@HOMEFREE> From: "Bob Perry" To: "taxman" , References: <005701c2f273$6f9bd680$0501a8c0@HOMEFREE> <200303242308.04735.taxman@acd.net> Subject: Re: dmesg Analysis Date: Mon, 24 Mar 2003 23:35:10 -0500 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-Spam-Status: No, hits=-6.8 required=5.0 tests=AWL,ORIGINAL_MESSAGE,QUOTED_EMAIL_TEXT,RCVD_IN_NJABL, RCVD_IN_OSIRUSOFT_COM,RCVD_IN_UNCONFIRMED_DSBL,REFERENCES, X_NJABL_DIALUP autolearn=ham version=2.50 X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.50 (1.173-2003-02-20-exp) Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG ----- Original Message ----- From: "taxman" To: "Bob Perry" ; Sent: Monday, March 24, 2003 11:08 PM Subject: Re: dmesg Analysis > On Monday 24 March 2003 09:08 pm, Bob Perry wrote: > > I recently upgraded/reinstalled 4.7 RELEASE and apparently lost use of my > > SCSI tape backup system. The dmesg command indicates that FreeBSD found > > the controller and tape but I don't understand much more than that. > > > > Does anyone know where I might find some documentation which would explain > > output resulting from running dmesg? For instance, one of the lines reads: > > sa0 at adv0 bus 0 target 4 lun 0 > > many (most?) of the items in dmesg are device drivers and have manpages. > so first read man man then try things like > man -aw sa you'll see: > /usr/share/man/cat8/sa.8.gz (source: /usr/share/man/man8/sa.8.gz) > /usr/share/man/man4/sa.4.gz > which tells you there are two man pages for sa. one is what you are looking > for, one is not, so use > man 4 sa to see the right one. > > repeat that for all the things in dmesg and you'll learn a lot of what you're > looking for. I'll pay more attention to the man pages. Thanks for the input. > This can potentially throw you off by some things that have the same name and > are not device drivers. eg man 4 fd wil not get you the floppy driver, but > man 4 fdc will. > > hth, > > Tim To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message