On Wed, Dec 15, 1999 at 10:16:29PM +0100, D. Rock wrote:
> Hi,
>
> The ata driver tries to enable UDMA for my controller, but fails
> (this is no disk problem. The disks can do UDMA, as tested in
> another machine). Perhaps UDMA should be disabled for all
> VIA 82C586 chips:
I have two machines with VIA 82C586 chips and they both seem to
do UDMA just fine. Several days ago, one machine didn't work right
with UDMA (it detected the disk as UDMA/66, but it is only a UDMA/33
disk), but today after a fresh cvsup and kernel build it seems to be
working fine. See the dmesg output below.
-Mike
ata-pci0: <VIA 82C586 ATA controller> at device 7.1 on pci0
ata-pci0: Busmastering DMA supported
ata0 at 0x01f0 irq 14 on ata-pci0
ad0: <Maxtor 91366U4/RA530JN0> ATA-5 disk at ata0 as master
ad0: 13029MB (26684784 sectors), 26473 cyls, 16 heads, 63 S/T, 512 B/S
ad0: 16 secs/int, 1 depth queue, UDMA33
Mounting root from ufs:/dev/ad0s2a
--
Mike Pritchard
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