From owner-freebsd-bugs Sun Jan 12 10:54:58 2003 Delivered-To: freebsd-bugs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2976637B401 for ; Sun, 12 Jan 2003 10:54:56 -0800 (PST) Received: from spider.deepcore.dk (cpe.atm2-0-56339.0x50c6aa0a.abnxx2.customer.tele.dk [80.198.170.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6FE1443F3F for ; Sun, 12 Jan 2003 10:54:49 -0800 (PST) (envelope-from sos@spider.deepcore.dk) Received: (from sos@localhost) by spider.deepcore.dk (8.12.5/8.12.6) id h0CIskmI050144; Sun, 12 Jan 2003 19:54:46 +0100 (CET) (envelope-from sos) From: Soeren Schmidt Message-Id: <200301121854.h0CIskmI050144@spider.deepcore.dk> Subject: Re: Semirandom bug in FreeBSD's ATA querying In-Reply-To: <3E21B764.6070200@unixdaemons.com> To: Hiten Pandya Date: Sun, 12 Jan 2003 19:54:46 +0100 (CET) Cc: Bruce Evans , jjramsey@pobox.com, freebsd-bugs@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL98b (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org It seems Hiten Pandya wrote: > --- Bruce Evans wrote: > > Actually, it is indicative of a timing bug, which may be > > in either the hardware or the driver but is most likely > > in the hardware. Linux and the old FreeBSD driver (wd) > > have more compatibility cruft including delays to > > support broken drives. Try adding some delays near > > the broken command. > > IIRC, there used to be an IDE_DELAY option in FreeBSD 4.3 (i.e. > the wd driver) that was used for working around this problem. It > would be good if the 'ad' driver had something like that. That option was for something entirely different and is not applicable to the ATA driver... -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message