Re: sata_nv + ADMA + Samsung disk problem

[Robert Hancock]

Jeff Garzik wrote:
> Tejun Heo wrote:
> > Thanks a lot for the detailed explanation.  Nvidia ppl, any ideas?
> > FLUSH is used regularly.  We really need to fix this.
>
>
> I reiterate my opinion :)  ...   We should remove ADMA support from 
> sata_nv.  It's only in a few chips, it's not appearing in any new chips, 
> and nasty problems have lingered since ADMA support was introduced.
>
> Definitely sounds like we should disable ADMA by default for 2.6.24-rc, 
> too.

I wouldn't agree.. It's only in a few chips (CK804/MCP04), but those 
chips are very common in desktop, workstation, even some server 
machines. Given the huge number of these chips out there, problem 
reports have been quite rare.
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