Error message "ACPI PCC probe failed"

Asked by Arnett Carroll on 2015-12-31

I have a Dell Latitude D610 with Ubuntu Linux 14.04 installed. When I start the machine I receive an error message reading "ACPI PCC probe failed"

Question information

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Status:
Open
For:
Ubuntu linux Edit question
Assignee:
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Last query:
2016-01-04
Last reply:
2016-01-02

Does the system work OK otherwise?

Manfred Hampl (m-hampl) said : #2

You can safely ignore this message. It is just telling, that your computer's BIOS is not capable of a certain advanced feature (which currently is the case with almost all systems including mine). This message will show up with every boot, but is just informational and does not do any harm or indicate a problem.

Hi Manfred: happy new year to all! Maybe it's a good idea to add a new F.A.Q. for this recurring question?

It hangs up during boot but it starts and runs fine after I restart the
boot process...

On 01/01/2016 06:02 AM, actionparsnip wrote:
> Your question #280352 on linux in Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+source/linux/+question/280352
>
> Status: Open => Needs information
>
> actionparsnip requested more information:
> Does the system work OK otherwise?
>

Ok, Thanks

On 01/01/2016 06:12 AM, Manfred Hampl wrote:
> Your question #280352 on linux in Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+source/linux/+question/280352
>
> Status: Needs information => Answered
>
> Manfred Hampl proposed the following answer:
> You can safely ignore this message. It is just telling, that your
> computer's BIOS is not capable of a certain advanced feature (which
> currently is the case with almost all systems including mine). This
> message will show up with every boot, but is just informational and does
> not do any harm or indicate a problem.
>

Thanks. What does all of that mean?

On 01/01/2016 06:12 AM, Manfred Hampl wrote:
> Your question #280352 on linux in Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+source/linux/+question/280352
>
> Linked to bug: #1430625
> https://bugs.launchpad.net/bugs/1430625
> "ACPI PCC probe failed."
>

Yeah, I guess...

On 01/01/2016 07:17 AM, Mark Rijckenberg wrote:
> Your question #280352 on linux in Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+source/linux/+question/280352
>
> Mark Rijckenberg posted a new comment:
> Hi Manfred: happy new year to all! Maybe it's a good idea to add a new
> F.A.Q. for this recurring question?
>

Manfred Hampl (m-hampl) said : #8

Manfred Hampl suggests this article as an answer to your question:
FAQ #1163: “ACPI PCC probe failed”.

Manfred Hampl (m-hampl) said : #9

@Mark: Happy new year also to you.

I just created FAQ 1163
You are welcome to add your ideas.

@Arnett: I ask for your understanding that we are misusing your question to discuss a general approach to better cope with questions like yours.
I suggest that you just ignore that message.

That message is just informational and does not cause any boot hangs. If booting your system shows delays, then it has to be something else that happens _after_ the step that causes the display of that message.

Thanks

On 01/01/2016 11:57 AM, Manfred Hampl wrote:
> Your question #280352 on linux in Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+source/linux/+question/280352
>
> Status: Open => Answered
>
> Related FAQ set to:
> ACPI PCC probe failed
> https://answers.launchpad.net/ubuntu/+faq/1163
>
> Manfred Hampl proposed the following answer:
> Manfred Hampl suggests this article as an answer to your question:
> FAQ #1163: “ACPI PCC probe failed”.
>

Oh. What could it be, I wonder?

On 01/01/2016 12:02 PM, Manfred Hampl wrote:
> Your question #280352 on linux in Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+source/linux/+question/280352
>
> Manfred Hampl proposed the following answer:
> @Mark: Happy new year also to you.
>
> I just created FAQ 1163
> You are welcome to add your ideas.
>
> @Arnett: I ask for your understanding that we are misusing your question to discuss a general approach to better cope with questions like yours.
> I suggest that you just ignore that message.
>
> That message is just informational and does not cause any boot hangs. If
> booting your system shows delays, then it has to be something else that
> happens _after_ the step that causes the display of that message.
>

Manfred Hampl (m-hampl) said : #12

If your boot process shows delays, then you should look in the system logs for big gaps in the time code.

You might try starting gnome-system-log, click on the cogwheel in the top right corner, select Open... and open the dmesg file.
The scroll down in that file and look for big gaps in the time code (e.g. jumping from 3.xxxxx to 11.xxxxx or something like that).
If you want us to check, please provide the three lines before that gap and the five lines after.

Thanks

On 01/02/2016 01:21 PM, Manfred Hampl wrote:
> Your question #280352 on linux in Ubuntu changed:
> https://answers.launchpad.net/ubuntu/+source/linux/+question/280352
>
> Status: Open => Answered
>
> Manfred Hampl proposed the following answer:
> If your boot process shows delays, then you should look in the system
> logs for big gaps in the time code.
>
> You might try starting gnome-system-log, click on the cogwheel in the top right corner, select Open... and open the dmesg file.
> The scroll down in that file and look for big gaps in the time code (e.g. jumping from 3.xxxxx to 11.xxxxx or something like that).
> If you want us to check, please provide the three lines before that gap and the five lines after.
>

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