Date: Sun, 28 Nov 1999 11:59:31 +0100 (CET) From: Soren Schmidt <sos@freebsd.dk> To: morganw@engr.sc.edu (Wes Morgan) Cc: FreeBSD-current@FreeBSD.ORG Subject: Re: ATA and msdosfs problems / corruption Message-ID: <199911281059.LAA17712@freebsd.dk> In-Reply-To: <Pine.BSF.4.21.9911271840480.417-100000@volatile.by-tor.tacorp.net> from Wes Morgan at "Nov 27, 1999 07:05:43 pm"
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It seems Wes Morgan wrote: > > ad0: <ST32140A/08.08.04> ATA-? disk at ata0 as master > ad0: 2015MB (4127760 sectors), 4095 cyls, 16 heads, 63 S/T, 512 B/S > ad0: 16 secs/int, 0 depth queue, DMA > ad1: <WDC AC418000D/J78OA30K> ATA-4 disk at ata0 as slave > ad1: 17206MB (35239680 sectors), 34960 cyls, 16 heads, 63 S/T, 512 B/S > ad1: 16 secs/int, 31 depth queue, DMA > > The motherboard is fairly old and does not support ATA/66 etc, and the > drive with the fat fs has been rock solid so I doubt it has suddenly gone > bad. I'd like to test this with DMA turned off, what flags will disable > that? OK, I'd like to see the rest of the dmesg, from a verbose at best, before saying anything conclusive, but it looks like the Seagate dont like DMA. There are currently no flags to control the DMA/PIO behavior, the driver relies on the hardware to tell the truth. This might change though... -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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