Date: Sat, 5 Jul 2008 18:07:48 +0200 From: Mel <fbsd.questions@rachie.is-a-geek.net> To: freebsd-questions@freebsd.org Subject: Re: Passive cooling problem with Athlon CPU Message-ID: <200807051807.48737.fbsd.questions@rachie.is-a-geek.net> In-Reply-To: <200807051212.19513.jmc-freebsd@milibyte.co.uk> References: <200807051212.19513.jmc-freebsd@milibyte.co.uk>
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On Saturday 05 July 2008 13:12:19 Mike Clarke wrote:
> I'm running 6.3STABLE with an AMD 4850e Athlon X2 and occasionally get
> the following message on the console:
>
> acpi_tz0: failed to set new freq, disabling passive cooling
>
> I also see the following 2 messages immediately after devd starts every
> time I boot (and which don't appear in any log file):
>
> hw.acpi.cpu.cx_lowest: C1
> sysctl: hw.acpi.cpu.cx_lowest: Invalid argument
And your /etc/sysctl.conf where you set this value? If it's not set by you, it
may be set by /etc/rc.d/power_profile based on your /etc/rc.conf.
Try to get the 'untainted' output of `sysctl hw.acpi':
0) reboot into single user
1) # fsck -p /
2) # mount -u /
3) # sysctl hw.acpi >/tmp/acpi.sysctl
4) # exit
Then post /tmp/acpi.sysctl. My guess is no Cx values are obtained from the
acpi, not even C1 (which is "normal operation" mode). This may or may not be
related to your failing high precision timer.
--
Mel
Problem with today's modular software: they start with the modules
and never get to the software part.
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