linux-kernel - Re: Warning: pnp 00:0b: can't evaluate

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Message-ID: <CAErSpo7Yj6_QZCSeNKXksiYayV53gkUubVBTnRRu8z1pyWeMQQ@mail.gmail.com>
Date:	Wed, 25 Apr 2012 15:57:27 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	"Moore, Robert" <robert.moore@...el.com>
Cc:	"sedat.dilek@...il.com" <sedat.dilek@...il.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	Len Brown <lenb@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Lin, Ming M" <ming.m.lin@...el.com>
Subject: Re: Warning: pnp 00:0b: can't evaluate _CRS: 12311

On Wed, Apr 25, 2012 at 3:39 PM, Moore, Robert <robert.moore@...el.com> wrote:
> This disassembly might make more sense. From the looks of the ASL, several of the address base and length fields are being updated dynamically.  I don't see anything that would corrupt a resource descriptor, however.
>
>
> Are we certain that the ACPI Error and pnp messages are directly related to the PNP0C02 device ID?
>
> [    0.293699] system 00:0a: Plug and Play ACPI device, IDs PNP0c02 (active)
> [    0.294032] ACPI Error: Invalid/unsupported resource descriptor: Type 0x00 (20120320/utresrc-650)
> [    0.294037] pnp 00:0b: can't evaluate _CRS: 12311

Oh, I'm sorry, I just wasted your time.  I didn't notice the 0a/0b
mismatch.  You're right, the _CRS error is on 00:0b, and we don't know
what the path is or the PNP ID for 00:0b.

Sedat, can you run "grep . /sys/bus/pnp/devices/*/id" please?  That
will at least show us the PNP ID of device 00:0b.

Bjorn
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