From owner-freebsd-bugs Sun Aug 29 8:13:10 1999 Delivered-To: freebsd-bugs@freebsd.org Received: from freefall.freebsd.org (freefall.FreeBSD.ORG [204.216.27.21]) by hub.freebsd.org (Postfix) with ESMTP id B82E214EF7 for ; Sun, 29 Aug 1999 08:13:07 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.9.3/8.9.2) id IAA71129; Sun, 29 Aug 1999 08:10:02 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Date: Sun, 29 Aug 1999 08:10:02 -0700 (PDT) Message-Id: <199908291510.IAA71129@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org Cc: From: Steve Price Subject: Re: kern/12450: IBM -DTTA-351010 corrupts data when using DMA 32-bit & multi-block i/o (fwd) Reply-To: Steve Price Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org The following reply was made to PR kern/12450; it has been noted by GNATS. From: Steve Price To: freebsd-gnats-submit@freebsd.org Cc: Subject: Re: kern/12450: IBM -DTTA-351010 corrupts data when using DMA 32-bit & multi-block i/o (fwd) Date: Sun, 29 Aug 1999 09:59:50 -0500 (CDT) ---------- Forwarded message ---------- Date: Tue, 20 Jul 1999 22:45:58 +0200 (CEST) From: Peter Hakanson To: gnats-admin@FreeBSD.org, freebsd-bugs@FreeBSD.org Cc: peter@gbg.netman.se Subject: Re: kern/12450: IBM -DTTA-351010 corrupts data when using DMA 32-bit & multi-block i/o Dear "gnats", my problem is solved, it might be interesting for you to know the cause : The board i use (chaintech 5AGM2) has 2 possible "system frequencys" for Cyrix-MII, 66 X 3.5 and 75 X 3 When using 75mhz the ibm disk cannot use DMA, it will corrupt data. Quantum does work however. When switching to 66 X 3.5 both IBM and quantum works ok. For the record, i use FreeBSD 3.1-RELEASE the disk(s) involved are : QUANTUM FIREBALL SE3.2A QUANTUM FIREBALL CR4.3A IBM-DTTA-351010 On Tue, 29 Jun 1999 gnats-admin@FreeBSD.org wrote: > Thank you very much for your problem report. > It has the internal identification `kern/12450'. > The individual assigned to look at your > report is: freebsd-bugs. > > >Category: kern > >Responsible: freebsd-bugs > >Synopsis: IBM -DTTA-351010 corrupts data when using DMA 32-bit & multi-block i/o > >Arrival-Date: Tue Jun 29 09:30:00 PDT 1999 > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message