powerd and nvidia drivers not playing nicely together (Was: Re: Systems running hot?)

Doug Barton dougb at FreeBSD.org
Tue Dec 22 03:18:54 UTC 2009

b. f. wrote:
> On 12/21/09, Doug Barton <dougb at freebsd.org> wrote:
>> b. f. wrote:
>>>> no X! So I think to myself, what else did I change last night.... oh
>>> acpi_perf? acpi_throttle? acpi_thermal? acpi_video?
>> I haven't done anything special with the acpi stuff. The only thing
>> that looks relevant from dmesg is: acpi_tz0: <Thermal Zone> on acpi0
> Yes, but which components show up in 'sysctl -a | grep -ie acpi' ?

It's a long list, but here you go:

>>> Which nvidia driver?
>> The latest.
> Which video card?

nvidia0: <GeForce Go 7300>

> Is your card using agp(4)?


>>> If you compile your kernel with options
>>> ACPI_DEBUG, and enable acpi debugging messages, do you see any
>>> errors/problems?
>> I can do the former easily enough, I assume to enable them I set
>> debug.acpi.disabled=0 in loader.conf?
> No, that's for selectively disabling some parts of ACPI, as described
> in acpi(4).  For starters, try:
> debug.acpi.level="ACPI_LV_ALL_EXCEPTIONS"

Ok, verbose dmesg with those enabled at loader.conf is here:

Thanks again (again),



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