Re: Warning: pnp 00:0b: can't evaluate _CRS: 12311

From: Bjorn Helgaas
Date: Wed Apr 25 2012 - 17:57:47 EST


On Wed, Apr 25, 2012 at 3:39 PM, Moore, Robert <robert.moore@xxxxxxxxx> 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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