Re: LibPATA code issues / 2.6.17.3 (What is the next step?)

[Justin Piszcz <jpiszcz@lucidpixels.com>]

On Fri, 14 Jul 2006, Mark Lord wrote:

> Justin Piszcz wrote:
> > They are Western Digital 400* drives.
> >
> > [4294678.049000]   Vendor: ATA       Model: WDC WD4000KD-00N  Rev: 01.0
> > [4294678.050000]   Vendor: ATA       Model: WDC WD4000KD-00N  Rev: 01.0
> >
> > On a SiL controller, it also happens when they are on a promise controller 
> > too.
> >
> > On Fri, 14 Jul 2006, Mark Lord wrote:
> >
> > > Justin Piszcz wrote:
> > > > opcode=0x35 & opcode=0xca
> > >
> > > Those are non-DMA WRITE opcodes.  Using PIO for I/O is pretty rare these 
> > > days,
> > > so I'm betting that this is not a hard disk device -- compactflash?
>
> Okay.  So why are we issuing PIO WRITE commands to drives that
> obviously should only be sent DMA commands by libata?
>
> Perhaps that's the bug.

Jeff/Alan -- ? Could this be it?
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