Date: Tue, 04 Apr 2000 15:36:34 +0200 From: Edwin Mons <e.mons@spcgroup.nl> To: Soren Schmidt <sos@freebsd.dk> Cc: freebsd-stable@freebsd.org Subject: Re: ata sad combinatorics Message-ID: <38E9EFE2.7F62E91E@spcgroup.nl> References: <200004041322.PAA87696@freebsd.dk>
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Soren Schmidt wrote: > > It seems Mike Tancsa wrote: > > > > Have a search through the archives as I think someone else had problems > > with the Fujitsus. What if you disable DMA. Are you actually using the > > drive in Win98 with DMA drivers ? What if go back to PIO mode. Perhaps the > > maintainer can shed light on it ? > > > >atapci0: <Intel PIIX > > >ATA controller> port 0xffa0-0xffaf at device 7.1 on pci0 > > >ata0: at 0x1f0 irq > > >14 on atapci0 > > >ata1: at 0x170 irq 15 on atapci0 > > The old Intel PIIX is know to have DMA problems, I never intended to > support it, but the current code (from luiqi IIRC) was found to be > sufficient IF the BIOS did its job right. I seems that we have a > BIOS here that doesn't setup things the way they should be, and the > DMA setup fails because of that. Is there any way you could upgrade > your BIOS ?? I've seen similar problems with a machine with an old VIA chipset. FWIW: I think we need a way to tell the kernel before booting that it shouldn't even try to use DMA/UDMA. Something like the good old device flags.. Regards, Edwin Mons To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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