Hi,

On Son, 28 Jän 2007, Manu Hack wrote:

> I've installed etch on my laptop. During the time I used Windows, I
> feel the CPU temperature is lower. And now the CPU fan works when the
> CPU temperature is higher than 70C and stops (or runs at a lower
> speed) when it's 55C or lower. I'd like to know if it's possible to
> adjust the threshold temperature like making it run faster well below
> 70C. Thanks!

welcome to the world of laptops..
take a look at your /proc/acpi/thermal_zone/ direcory.

--
Florian Reitmeir

Thanks all, will definitely have a look at cpufreqd. But I ran cat
/proc/acpi/fan/FAN/state, then it showed status:
off. When I echo 0 > /proc/acpi/fan/FAN/state, and checked the status
again, it showed status: on but it still didn't run at high speed
until the temperature went about 70C. Any idea?


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On Mon, 29 Jän 2007, Manu Hack wrote:

> Thanks all, will definitely have a look at cpufreqd. But I ran cat
> /proc/acpi/fan/FAN/state, then it showed status:
> off. When I echo 0 > /proc/acpi/fan/FAN/state, and checked the status
> again, it showed status: on but it still didn't run at high speed
> until the temperature went about 70C. Any idea?

very often the FAN is acpi buisness only, and there is no way of changing
that.

here some docs about ACPI
http://acpi.sourceforge.net/documentation/index.html

and for other answers .. i think the people here need some infos about the
laptop it self.

- name
- brand
- output of 'lspci'
- output of 'uname -a'
- distribution

--
Florian Reitmeir

Here is some info of my laptop

Toshiba Satellite A55 s306,
uname -a:
Linux debian 2.6.18-3-686 #1 SMP Mon Dec 4 16:41:14 UTC 2006 i686 GNU/Linux

lspci:
0000:00:00.0 Host bridge: Intel Corp. 82852/855GM Host Bridge (rev 02)
0000:00:00.1 System peripheral: Intel Corp. 855GM/GME GMCH Memory I/O
Control Registers (rev 02)
0000:00:00.3 System peripheral: Intel Corp. 855GM/GME GMCH
Configuration Process Registers (rev 02)
0000:00:02.0 VGA compatible controller: Intel Corp. 82852/855GM
Integrated Graphics Device (rev 02)
0000:00:02.1 Display controller: Intel Corp. 82852/855GM Integrated
Graphics Device (rev 02)
0000:00:1d.0 USB Controller: Intel Corp. 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 03)
0000:00:1d.1 USB Controller: Intel Corp. 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 03)
0000:00:1d.2 USB Controller: Intel Corp. 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 03)
0000:00:1d.7 USB Controller: Intel Corp. 82801DB/DBM (ICH4/ICH4-M) USB
2.0 EHCI Controller (rev 03)
0000:00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev 83)
0000:00:1f.0 ISA bridge: Intel Corp. 82801DBM LPC Interface Controller (rev 03)
0000:00:1f.1 IDE interface: Intel Corp. 82801DBM (ICH4) Ultra ATA
Storage Controller (rev 03)
0000:00:1f.5 Multimedia audio controller: Intel Corp. 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 03)
0000:00:1f.6 Modem: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
AC'97 Modem Controller (rev 03)
0000:01:05.0 Network controller: Intel Corp. PRO/Wireless 2200BG (rev 05)
0000:01:07.0 FireWire (IEEE 1394): Texas Instruments TSB43AB21
IEEE-1394a-2000 Controller (PHY/Link)
0000:01:08.0 Ethernet controller: Intel Corp. 82801BD PRO/100 VE (MOB)
Ethernet Controller (rev 83)
0000:01:0b.0 CardBus bridge: Toshiba America Info Systems ToPIC95 PCI
to Cardbus Bridge with ZV Support (rev 33)


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2007/1/29, Maciej Rutecki :
> Manu Hack napisa³(a):
> On HP/Compaq (nx 6310):
>
> echo "105:100:100:78:70:60:50" > /proc/acpi/thermal_zone/TZ0/trip_points
> echo 10 > /proc/acpi/thermal_zone/TZ0/polling_frequency
>

Welcome to the world of HP !

I bought an nx6110 last year. After an update some time ago my fans
stopped working at all and the thermal protection kicked in at 90
degrees C.

I searched the HP support forums and found a lot of people with
similar problems - erratic fan behavior. What I gathered from there
is that the reason is buggy acpi implementation in the BIOS, even the
newest version.

There are two entries in the kernel bugzilla you might find useful,
with patches attached:

http://bugzilla.kernel.org/show_bug.cgi?id=7122
http://bugzilla.kernel.org/show_bug.cgi?id=5534


Best regards,
Rado

On Sun, 2007-01-28 at 23:38 -0500, Manu Hack wrote:
> I've installed etch on my laptop. During the time I used Windows, I
> feel the CPU temperature is lower. And now the CPU fan works when the
> CPU temperature is higher than 70C and stops (or runs at a lower
> speed) when it's 55C or lower. I'd like to know if it's possible to
> adjust the threshold temperature like making it run faster well below
> 70C. Thanks!
>
>
try to load some additional modules like

cpufreq-userspace
speedstep-centrino || powernow-k7 (for amd's) || powernow-k8 (for amd64)

write them in /etc/modules on my acer laptop works fine on an hp and on
a vaio too

--
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Manu,

there's a slight chance you can adjust something in the BIOS.


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