Re: ATA ACPI (was Re: Linux 2.6.21-rc5)

[Tejun Heo]

Pavel Machek wrote:
> Hi!
> 
>>>> So if you have reported a regression in the 2.6.21-rc 
>>>> series, please check 2.6.21-rc5, and update your 
>>>> report as appropriate (whether fixed or "still 
>>>> problems with xyzzy").
>>> [just got back from vacation, or would have sent this 
>>> earlier]
>>>
>>> FWIW, I'm still leaning towards disabling libata ACPI 
>>> support by default for 2.6.21.
>>>
>>> Upstream has Alan's fix for the worst PATA problems, 
>>> but for different reasons, I think PATA ACPI and SATA 
>>> ACPI support in libata does not feel quite ready for 
>>> prime time in 2.6.21.
>>>
>>> Scream now, or hold your peace until 2.6.22... :)
>> I second disabling ACPI for 2.6.21.
> 
> Ugh.. does that mean we'll have 'regression reports' as in 'it worked
> ok in -rc5, broken in final?
> 
> Well, suspend is currently so broken that we'll be flooded by reports,
> anyway, but.... could we get at least define in code so that we can
> tell users to flip it?

Just the default value for libata.noacpi is changed to 1, so user can
easily reenable it by passing boot/module parameter.

-- 
tejun
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