Hi Soren,
No unfortunately it still fails with the patch and the UDMA disabled in
the BIOS.
I'd be happy to try anything else you can think of. :)
Thanks.
--
Regards, Devin.
Soren Schmidt wrote:
>
> It seems Devin Butterfield wrote:
> > Hi Soren/group,
> >
> > After spending a little time sniffing around in my BIOS I realized that
> > my BIOS (Award BIOS) defaults to disabling UDMA for both master and
> > slave and for some reason I never thought to check this....duh. Anyway
> > after setting this to "auto" for both master and slave the problem seems
> > to be fixed!
> >
> > This is curious because I was running the wd driver with the BIOS set
> > wrong all along and never had any errors or problems (AFAIK). So why
> > does the wd driver seem to ignore this incorrect configuration while the
> > ata driver trips over it?
> >
> > Does this help anyone?
>
> Hmm, maybe.
>
> Try the below patch, but with the BIOS again in the disabled position,
> and see if it still fails.
>
> Index: ata-dma.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/dev/ata/ata-dma.c,v
> retrieving revision 1.23
> diff -u -r1.23 ata-dma.c
> --- ata-dma.c 1999/12/14 10:25:25 1.23
> +++ ata-dma.c 1999/12/16 10:44:51
> @@ -227,6 +227,12 @@
> pci_write_config(scp->dev, 0x53,
> pci_read_config(scp->dev, 0x53, 1) | 0x03, 1);
> scp->flags |= ATA_ATAPI_DMA_RO;
> + if (device == ATA_MASTER)
> + outb(scp->bmaddr + ATA_BMSTAT_PORT,
> + inb(scp->bmaddr + ATA_BMSTAT_PORT) | ATA_BMSTAT_DMA_MASTER);
> + else
> + outb(scp->bmaddr + ATA_BMSTAT_PORT,
> + inb(scp->bmaddr + ATA_BMSTAT_PORT) | ATA_BMSTAT_DMA_SLAVE);
> scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_UDMA2;
> return 0;
> }
> @@ -242,6 +248,12 @@
> pci_write_config(scp->dev, 0x53,
> pci_read_config(scp->dev, 0x53, 1) | 0x03, 1);
> scp->flags |= ATA_ATAPI_DMA_RO;
> + if (device == ATA_MASTER)
> + outb(scp->bmaddr + ATA_BMSTAT_PORT,
> + inb(scp->bmaddr + ATA_BMSTAT_PORT) | ATA_BMSTAT_DMA_MASTER);
> + else
> + outb(scp->bmaddr + ATA_BMSTAT_PORT,
> + inb(scp->bmaddr + ATA_BMSTAT_PORT) | ATA_BMSTAT_DMA_SLAVE);
> scp->mode[(device == ATA_MASTER) ? 0 : 1] = ATA_MODE_WDMA2;
> return 0;
> }
>
> -Søren
>
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