Re: ASUS M6800N: processor has only C1

Luca Capello
2004-03-05T20:21:01Z

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Hello,

on 03/05/04 19:37, Bruno Ducrot wrote:
>>>>>I think also that the bios will only allow C2, not C3 nor C4 if you are on AC.
>>>>
>>>>You're right, but even on battery I get only C1 & C2 (as from the attached).
>>>
>>>Well, there is a stupid bug, I guess.
>>
>>on the above 2.6.3 there're no changes, always C1 & C2 in battery mode and on
>>AC. The same behaviour on 2.6.4-rc1 + ACPI 20040220 + your patches.
>
> I updated that on bugzilla.
thank you, I tried the new one on a fresh 2.6.3 + ACPI 20040220 + ACPI DSDT in
initrd (so just the last patch and no more the old ones), but still the same on
battery mode (only C1 & C2). With a fresh 2.6.4-rc1 + ACPI 20040220 nothing
changes. The same results on AC mode and the 2.6.3 above.

> Could you please also send me the output of
> /proc/acpi/processor/*/power
> if that still fail on battery?
Sure, here it is:
===== (2.6.3)
luca-HSB4nKSusd8@public.gmane.org:~$ dmesg | grep Processor
ACPI: Processor [CPU1] (supports C1 C2)
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/info
processor id: 0
acpi id: 1
bus mastering control: yes
power management: yes
throttling control: no
limit interface: no
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/limit
<not supported>
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/power
active state: C2
default state: C1
bus master activity: 00000000
states:
C1: type[1] promotion[C2] demotion[--] latency[000] usage[00000010]
*C2: type[2] promotion[--] demotion[C1] latency[001] usage[00067837]
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/throttling
<not supported>

===== (2.6.4-rc1)
luca-HSB4nKSusd8@public.gmane.org:~$ dmesg | grep Processor
ACPI: Processor [CPU1] (supports C1 C2)
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/info
processor id: 0
acpi id: 1
bus mastering control: yes
power management: yes
throttling control: no
limit interface: no
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/limit
<not supported>
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/power
active state: C2
default state: C1
bus master activity: 00000000
states:
C1: type[1] promotion[C2] demotion[--] latency[000] usage[00000010]
*C2: type[2] promotion[--] demotion[C1] latency[001] usage[00142674]
luca-HSB4nKSusd8@public.gmane.org:~$ cat /proc/acpi/processor/*/throttling
<not supported>
=====

> Thanks again for your time,
Once again, *I* should thank you :-)

Thx, bye,
Gismo / Luca
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