linux-kernel - Re: pnpacpi: exceeded the max number of IO resources: 24

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Message-ID: <21603.1199741560@turing-police.cc.vt.edu>
Date:	Mon, 07 Jan 2008 16:32:40 -0500
From:	Valdis.Kletnieks@...edu
To:	Zhao Yakui <yakui.zhao@...el.com>
Cc:	Frans Pop <elendil@...net.nl>, linux-kernel@...r.kernel.org
Subject: Re: pnpacpi: exceeded the max number of IO resources: 24

On Mon, 07 Jan 2008 13:07:28 +0800, Zhao Yakui said:

> The resources of PNP device are obtained by calling the _CRS method.
> Maybe some resources has been reserved. For example: Some system will
> reserve the following resources.
>    BIOS-e820: 00000000fec00000 - 00000000fed40000 (reserved)
>    BIOS-e820: 00000000fed45000 - 0000000100000000 (reserved)
> So the system will report that some resources can't be reserved.
...
> The error message is harmless. It only tells us that the resource
> definition of PNP device exceeds the predefined PNP constant and maybe
> there will be potential problem if some important resources can't be
> reserved. For example about 90 IOPORT resources are defined in some PNP
> device. So it will print the message. Of course it is more appropriate
> to change the message level from ERR to DEBUG. 

Is it possible to add some cookie crumbs to the currently non-informative
message - things like "what address range", "what PNP devices' _CRS was
asking for it", and so on?



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