linux-kernel - Re: [2.6.22-rc4-mm1] ACPI Exception (processor

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Message-ID: <3877989d0706070209y7fc4518ai785dae5da0c92558@mail.gmail.com>
Date:	Thu, 7 Jun 2007 17:09:28 +0800
From:	"Luming Yu" <luming.yu@...il.com>
To:	"Maciej Rutecki" <maciej.rutecki@...il.com>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	lenb@...nel.org
Subject: Re: [2.6.22-rc4-mm1] ACPI Exception (processor_throttling)

Please test the attached patch.

Thanks,
Luming

On 6/7/07, Maciej Rutecki <maciej.rutecki@...il.com> wrote:
> ACPI Exception (processor_throttling-0084): AE_NOT_FOUND, Evaluating
> _PTC [20070126]
> ACPI Exception (processor_throttling-0147): AE_NOT_FOUND, Evaluating
> _TSS [20070126]
>
> On 2.6.20.9 I don't have this exceptions.
>
> Other problem:
>
> 2.6.22rc4-mm1:
> rutek:/home/maciek# cat /proc/acpi/processor/CPU0/throttling
> Naruszenie ochrony pamięci (segmentation fault)
>
> compared to 2.6.20.9:
> maciek@...ek:~$ cat /proc/acpi/processor/CPU0/throttling
> state count:             8
> active state:            T0
> states:
>    *T0:                  00%
>     T1:                  12%
>     T2:                  25%
>     T3:                  37%
>     T4:                  50%
>     T5:                  62%
>     T6:                  75%
>     T7:                  87%
>
>
> Other info (2.6.22-rc4-mm1):
> rutek:/home/maciek# ls /proc/acpi/processor/CPU0/
> info  limit  power  throttling
> rutek:/home/maciek# cat /proc/acpi/processor/CPU0/info
> processor id:            0
> acpi id:                 1
> bus mastering control:   yes
> power management:        yes
> throttling control:      yes
> limit interface:         yes
> rutek:/home/maciek# cat /proc/acpi/processor/CPU0/limit
> active limit:            P0:T0
> user limit:              P0:T0
> thermal limit:           P0:T0
> rutek:/home/maciek# cat /proc/acpi/processor/CPU0/power
> active state:            C0
> max_cstate:              C8
> bus master activity:     00000000
> maximum allowed latency: 8000 usec
> states:
>     C1:                  type[C1] promotion[--] demotion[--]
> latency[001] usage[00000000] duration[00000000000000000000]
>     C2:                  type[C2] promotion[--] demotion[--]
> latency[001] usage[00000000] duration[00000000000000000000]
>
> For CPU1 is similar.
>
> config, dmesg, acpidump:
> http://www.unixy.pl/maciek/download/kernel/2.6.22-rc4-mm1/
>
> --
> Maciej Rutecki
> http://www.maciek.unixy.pl
>
>
>

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