Date: Tue, 20 Jul 1999 22:45:58 +0200 (CEST) From: Peter Hakanson <peter@netman.se> 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 Message-ID: <Pine.BSO.4.10.9907202241370.21509-100000@spock.hq.gbg.netman.se> In-Reply-To: <199906291630.JAA04814@freefall.freebsd.org>
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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
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