From owner-freebsd-hackers Sun Jun 4 14:59:43 1995 Return-Path: hackers-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id OAA08671 for hackers-outgoing; Sun, 4 Jun 1995 14:59:43 -0700 Received: from gndrsh.aac.dev.com (gndrsh.aac.dev.com [198.145.92.241]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id OAA08660 for ; Sun, 4 Jun 1995 14:59:41 -0700 Received: (from rgrimes@localhost) by gndrsh.aac.dev.com (8.6.11/8.6.9) id OAA21672; Sun, 4 Jun 1995 14:59:07 -0700 From: "Rodney W. Grimes" Message-Id: <199506042159.OAA21672@gndrsh.aac.dev.com> Subject: Re: kernel page fault while doing tar to /dev/rft0 To: mrami@minerva.cis.yale.edu Date: Sun, 4 Jun 1995 14:59:07 -0700 (PDT) Cc: freebsd-hackers@freebsd.org, joerg_wunsch@uriah.heep.sax.de In-Reply-To: from "Marc Ramirez" at Jun 4, 95 05:17:21 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Length: 980 Sender: hackers-owner@freebsd.org Precedence: bulk > > On Sun, 4 Jun 1995, J Wunsch wrote: > > > CAN SOMEBODY WITH A WORKING FLOPPY TAPE PLEASE CHECK IF THE SUGGESTED > > FIX (move 5 lines below the #ifdef block) WOULD WORK? THIS MUST GO > > INTO 2.0.5!!! > > $ tar tvf /dev/rft0 > fdc0: output ready timeout > fdc0: input ready timeout > fdc0: input ready timeout > tar: read error on /dev/rft0: Device not configured > fdc0: output ready timeout > fdc0: input ready timeout > fdc0: input ready timeout > $ > > The fdc0: messages are kernel printf's. I can visually see that this patch would be wrong, first off fdc would be uninitialzed inside the #if block, and would be referenced. I don't know why you didn't panic, but you should have!!! Just got lucky with what ever trash was on the stack :-). Try again Joerg, only look very very carefully at the code!!! -- Rod Grimes rgrimes@gndrsh.aac.dev.com Accurate Automation Company Custom computers for FreeBSD