CRT value Absurd

John Nielsen lists at
Thu Aug 2 20:09:09 UTC 2007

On Thursday 02 August 2007 02:13:46 pm Subhro wrote:
> Hello Folks,
> Recently I got a HP nc6400 notebook for myself and decided to install
> FreeBSD on this. My system boots up fine but I am repeatedly getting
> Errors from ACPI. I am repeatedly getting
> acpi_tz0: _CRT value is absurd, ignored (256C)
> How can I solve this problem?

One of my desktops started doing this after a -STABLE update a few weeks ago. 

I worked around it by setting


in /etc/sysctl.conf. For a one-time change obviously you can just run

# sysctl hw.acpi.thermal.polling_rate=0


More information about the freebsd-questions mailing list