Re: one more ACPI Error (utglobal-0125): Unknown exception code: 0xFFFFFFEA [Re: 2.6.18-rc4-mm3]

[KAMEZAWA Hiroyuki]

On Thu, 31 Aug 2006 21:15:55 -0600 (MDT)
"Bjorn Helgaas" <bjorn.helgaas@xxxxxx> wrote:

> Ok, this is starting to make sense.  It sounds like your memory
> device has _HID of PNP0C80 and _CID of PNP0C01 (or PNP0C02).
> 
> The current ACPI driver binding algorithm in acpi_bus_find_driver()
> looks at each driver, checking whether it can match either the _HID
> or the _CID of a device.  Since we try the motherboard driver first,
> it matches the memory device _CID.
> 
> I couldn't find a specific reference in the spec, but this seems
> intuitively sub-optimal.  It seems like it'd be better to look
> first for a driver that can claim the _HID (which is more specific),
> and only fall back to checking the _CIDs if no _HID-specific driver
> is found.
> 
I like it :)

-Kame

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