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

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Date:	Mon, 23 Apr 2012 11:48:23 +0200
From:	Sedat Dilek <sedat.dilek@...glemail.com>
To:	linux-acpi@...r.kernel.org
Cc:	Len Brown <lenb@...nel.org>, Adam Belay <abelay@....edu>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	linux-kernel@...r.kernel.org
Subject: Warning: pnp 00:0b: can't evaluate _CRS: 12311

[ Please CC me I am not subscribed to this ML ]

Hi,

with a self-compiled linux-3.4-rc4 I am seeing this bugs/failures/warnings:

[    0.241572] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored

[    0.279385]  pci0000:00: ACPI _OSC request failed (AE_ERROR),
returned control mask: 0x1d

[    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

The same outputs I have seen also with an unsupported drm-intel-next
kernel from Ubuntu/PPA archives [1].

What does ist mean? Is it harmless? Buggy firmware/bios?

Do you need more background infos (dmesg, kernel-config, etc.)?

Regards,
- Sedat -

[1] http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-next/current/
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