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

[Mark Lord <liml@rtr.ca>]

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.
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