Re: VIA VT82C686X

Andre Hedrick (andre@linux-ide.org)
Tue, 30 Jan 2001 22:49:26 -0800 (PST)


On Tue, 30 Jan 2001, David D.W. Downey wrote:

>
> Woohoo! Just found out that ATA66 on the VIA aint too great.
>
> I set the kernel boot options idebus=66 ide0=ata66 enabling ATA66

Sorry but you are not right in this world .......

Where in you manual does is "QUOTE" you can drive the ATA/IDE bus at 66MHz?

> according to dmesg. The HDD is a WDC UDMA100 30.5GB drive. I retried the
>
> dd if=/dev/hda7 of=/tmp/testing2.img bs=1024k count=2000
>
> on one VT, ran renice -20 on the dd process then ran procinfo on another
> and top on a 3rd. I logged into a fourth and ran sync;sync;sync;sync;sync.
>
> After @30 seconds the machine became totally unresponsive, locking up all
> but the current VT.
>
> I let it sit there and waited until the dd finished in case the renice was
> what killed the control. When dd finished I tried running any type of
> command but the tty was completely frozen. All other VTs were non
> responsive as well.
>
>
> This is gonna be fun when I test the Promise controller. hehe
>
>
> David D.W. Downey
>
>
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Andre Hedrick
Linux ATA Development

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