Date: Wed, 1 May 2002 19:44:53 -0500 From: Scott Robbins <scottro@nyc.rr.com> To: Patrik ?str?m <patrik@astrom.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: DMA problem fallback to PIO mode Message-ID: <20020502004453.GA2338@scott2.homeunix.net> In-Reply-To: <Pine.BSF.4.32.0205020021400.52030-100000@styx.astrom.net> References: <Pine.BSF.4.32.0205020021400.52030-100000@styx.astrom.net>
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On Thu, May 02, 2002 at 12:23:03AM +0200, Patrik ?str?m wrote: > Hi!, > > Om getting this on one of my drives, Any chance that this is only the IDE > cable ?.. > > Regards > Patrik Astrom > > May 1 22:02:31 samuraj /kernel: ad1: DMA problem fallback to PIO mode > May 1 22:02:31 samuraj last message repeated 5 times > May 1 22:02:36 samuraj /kernel: ad1c: hard error reading fsbn 5166192 of > 258304 > 0-2583295 (ad1 bn 5166192; cn 5125 tn 3 sn 3) status=59 error=40 > May 1 22:02:36 samuraj /kernel: ad1: DMA problem fallback to PIO mode > May 1 22:02:41 samuraj /kernel: ad1c: hard error reading fsbn 5166688 of > 258329 This is a common problem. 9 times out of 10, it can be fixed by replacing your IDE cable with shielded 80 pin ATA 100 IDE cables. It's not in the Faq--it is mentioned in man ATA (However, I didn't know to look there, but was told by the writer of man ATA that I should) :) HTH Scott Robbins To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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