Re: Promise Ultra100TX2 PDC20286 broken in 2.6.0-test9

[David Greaves <lkml@dgreaves.com>]

Hi Bart
I've downloaded (but not yet tried) -test10 but as you said elsewhere, 
there are no patches that seem to touch the area I had a problem with.

Do you think my problem is likely to be touched by -test11?
Are there any other patches you'd like me to try?

BTW this list is now on  

http://marc.theaimsgroup.com/?l=linux-ide&r=1&w=2

Hank says

>I don't think vger keeps copies of older messages, but if you know of
>anywhere I can find 'em I'd be happy to bulk-add them to our archives.
>
I figured you may have them/some?

David

David Greaves wrote:

> Summary:
> PDC20286 fails horribly with 2 UDMA drives on its primary channel
> If I move one drive to the second channel it seems OK.
>
>
> I have compiled with and without "DMA on by default".
> I've also used the autotune options (and ata66)
> I looked for the most conservative config I could find before posting 
> (well, I thought I did) :)
>
> ok...
> I tried again with:
> * DMA on by default (IDEDMA_PCI_AUTO) (done a partial config dump 
> later...)
> * removed noapic and used both autotune options (not tried before)
>  kernel /vmlinuz-2.6.0-test9 ro root=/dev/hdc3 ide2=autotune 
> ide3=autotune single
>
> Result:
> same problem