Re: [patch 7/7] acpi: remove old blacklist entries

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On Wed, Feb 17, 2010 at 01:24:58PM -0500, Len Brown wrote:
> On Wed, 17 Feb 2010, Matthew Garrett wrote:
> > We seem to have no good history of where these blacklist entries came 
> > from, and we know that at least one of them is actively harmful. Perhaps 
> > replace them with a debug statement on affected machines telling people 
> > what they need to pass to restore the blacklist behaviour, and to let us 
> > know if it's necessary?
> 
> Actually, it wasn't actively harmful until we broke "acpi=ht".
> Indeed, it was actively helpful in pointing out that regression:-)

The machines in question are falling back to apm, so probably losing 
some level of powersaving support. I'd say that's harmful :)

> The other entries in today's acpi_dmi_table[] are less clear
> and should probably be modified only with some care...

At least one of them covers a single submodel in a range, despite them 
all running the same BIOS. I'd really lean towards them being bogus at 
this stage of the game.

-- 
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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