Re: [PATCH 1/1] ACPI: pci_irq, add PRT_ quirk for IBM Bartolo
From: Jiri Slaby
Date: Tue Jun 29 2010 - 14:40:38 EST
On 06/28/2010 11:37 PM, Robert Hancock wrote:
> On Mon, Jun 28, 2010 at 2:48 PM, Matthew Garrett <mjg59@xxxxxxxxxxxxx> wrote:
>> I can guarantee to you that a generic Windows install does not have a
>> quirk for an IBM PoS system released years after that CD was pressed.
The system in question is very old, any current Windows release is newer
>> The relevance is that if Windows works without a quirk, then somewhere
>> our behaviour diverges from that of Windows and it's likely that other
>> machines are also hit by the same issue. Users of those systems may not
>> have a support contract with a commercial Linux vendor and may just
>> decide to use Windows instead, so there's an incentive for us to
>> determine if that's the case and fix Linux's behaviour to match Windows
>> rather than to just quirk over it.
> Exactly, this seems like a pretty obvious failure, so either IBM's
> testing on this machine under Windows was hopelessly inadequate and it
> is broken there too, or else Windows is doing something different and
> maybe we should be doing the same thing..
The answer I got is "it works there with a driver" whatever it means
(I'm no expert on windows drivers and have no idea what they can do and
what quirks can be implemented that way).
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