From owner-freebsd-hardware Mon Apr 1 07:29:58 1996 Return-Path: owner-hardware Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id HAA00321 for hardware-outgoing; Mon, 1 Apr 1996 07:29:58 -0800 (PST) Received: from DeepCore.dk (dial200.cybercity.dk [194.16.56.200]) by freefall.freebsd.org (8.7.3/8.7.3) with ESMTP id HAA00312 for ; Mon, 1 Apr 1996 07:29:52 -0800 (PST) Received: (from sos@localhost) by DeepCore.dk (8.7.5/8.7.3) id RAA00318; Mon, 1 Apr 1996 17:29:05 +0200 (MET DST) Message-Id: <199604011529.RAA00318@DeepCore.dk> Subject: Re: Some solutions to disk problems.... I think. To: Brett_Glass@ccgate.infoworld.com (Brett Glass) Date: Mon, 1 Apr 1996 17:29:05 +0200 (MET DST) Cc: Brett_Glass@ccgate.infoworld.com, jkh@time.cdrom.com, hardware@FreeBSD.org In-Reply-To: <9603018283.AA828371256@ccgate.infoworld.com> from "Brett Glass" at Mar 31, 96 08:10:32 pm From: sos@FreeBSD.org Reply-to: sos@FreeBSD.org X-Mailer: ELM [version 2.4 PL24] Content-Type: text Sender: owner-hardware@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk In reply to Brett Glass who wrote: > > Aha! Have found some instructions for writing code that can be incorporated > into the kernel to solve the timeout problem. What timeout problem ?? > ftp://ftp.seagate.com/techsuppt/misc/no_idle.zip > > explains how to disable the timeouts and gives sample code for DOS. (It'd > have to be different for FreeBSD's disk driver.) I will take a stab at > adding some code to my kernel this evening; however, since most low-level > OS code has a "culture" behind it (that is, an unwritten list of ways to do > things and things one shouldn't do at all costs), I'm worried that I'll > violate some unwritten rule and mess everything up. Would someone more > experienced with hacking the FreeBSD kernel be willing to help by looking > over my code and/or incorporating the relevant instructions (it's only > three I/O operations per drive, with pauses between)? Could you be a little more specific ?? -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Søren Schmidt (sos@FreeBSD.org) FreeBSD Core Team Even more code to hack -- will it ever end ..