Date: Thu, 9 Mar 2000 20:23:33 +0100 (CET) From: Soren Schmidt <sos@freebsd.dk> To: jhay@mikom.csir.co.za (John Hay) Cc: freebsd-current@FreeBSD.ORG (FreeBSD-current) Subject: Re: ata, DMA and the install floppies Message-ID: <200003091923.UAA20462@freebsd.dk> In-Reply-To: <200003091901.VAA99897@zibbi.mikom.csir.co.za> from John Hay at "Mar 9, 2000 09:01:31 pm"
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It seems John Hay wrote: > Hi, > > I have been trying to install yesterday's 4.0 snap on a no-name brand > motherboard with the VIA chipset, but I'm running in some problems. I > suspect there is a problem with the DMA. The error I'm getting when the > disk is newfs'ed is a repeating: > > ad0: WRITE command timeout - resetting > ata0: resetting devices .. done > ad0: WRITE command timeout - resetting > ata0: resetting devices .. done > ... > > It seems that it is just going on and on. Shouldn't it back down to non > DMA mode after a while? Is there a way to disable the DMA on the install > floppies? It should back down after 3 retries... But is is 3 retries pr request, so say it gets through on the 2 retry each time this will continue.. I dont know if there is access to the sysctl knobs from the emergency shell, but that would be a solution... > Part of the probe looks like this: (written down by hand) > > atapci0: <VIA 82C586 ATA33 controller> port 0xe000 - 0xe00f at device 7.1 on pci0 > ata0: at 0x1f0 irq 14 on atapci0 > ... > ad0: 6204MB <ST36531A> [13446/15/63] at ata0-master using UDMA33 Hmm, wierd, did this hardware run FreeBSD before ?? -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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