Strange error reported on booting

Petter Adsen petter at
Fri Jun 19 15:27:27 UTC 2015

On Fri, 19 Jun 2015 07:30:45 -0700
"Kevin O'Gorman" <kogorman at> wrote:

> I'm running an up-to-date Xubuntu 15.04 on a laptop, and have updated
> grub.  It has recently started reporting an error during the boot process,
> and the message persists in the C-A-Del F1 console.  It reads
> [    0.722491] ACPI PCC probe failed.
> starting version 219
> The laptop is an old dual-centrino Dell inspiron 1720 -- Windows Vista came
> on it originally, although that is long gone.
> I'm not familiar with the terms ACPI or PCC, and do not know what software
> produced this message, but it's clearly from early in the booting process.
> I wonder what's causing this, and what I should do about it.
> ++ kevin

Have you tried Google?

The very first hit is quite informative, and indicates that this
message is "mostly harmless".


"I'm ionized"
"Are you sure?"
"I'm positive."
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