Re: ACPI Error

It can't attach your acpi_perf device (cpu frequency).  Try also loading 
cpufreq.ko, it may work.

Or, try adding to loader.conf:
debug.acpi.disabled="sysres"

Something might be claiming the status port.

Angka H. K. wrote:
> Great the error is gone now thanks.
> 
> I have other question about ACPI. My dmesg showing like below and I know
> nothing about ACPI. What does it mean and can it be fix ?
> 
> acpi_perf0: <ACPI CPU Frequency Control> on cpu0
> acpi_perf0: failed in PERF_STATUS attach
> device_attach: acpi_perf0 attach returned 6
> acpi_perf0: <ACPI CPU Frequency Control> on cpu0
> acpi_perf0: failed in PERF_STATUS attach
> device_attach: acpi_perf0 attach returned 6
> 
> 
> On 4/4/06, Angka H. K. <harikurniawan_at_gmail.com> wrote:
>> Thanks a lot, you really dedicate your time to FreeBSD
>> Sorry I still don't have good connection to do cvsup, may be tomorrow.
>>
>> Ah.. hard time to finish my job sorry can't help :(
>>
>>
>> On 4/4/06, Nate Lawson <nate_at_root.org> wrote:
>>
>>> Angka H. K. wrote:
>>>> Thanks for the replay
>>>> I am updating my source now and planing to rebuild it again, but I
>>> don't see
>>>> any changes on ACPI code.
>>>>
>>>> I was mistype on the val that return by kernel, the error should be
>>> "acpi:
>>>> bad write to port 0x073(8) val 20", I am sorry.
>>>> Hope it'll be fixed soon.
>>> Ok, I fixed the range check on ports so 0x73 should not trigger it.  If
>>> you have some other write to a port that IS in the blacklist, you'll
>>> still get the warning.
>>>
>>> Ultimately, I intend to emulate what Windows does which is block all
>>> writes to the PIC, and block all writes on XP or newer BIOSen.
>>>
>>> --
>>> Nate
>>>
>>
> 


-- 
Nate