Gentoo Archives: gentoo-laptop

From: dexter <dexters84@×××××.com>
To: gentoo-laptop@l.g.o
Subject: Re: [gentoo-laptop] Problem with CPU temperature (Santa Rosa CPU)
Date: Wed, 10 Oct 2007 08:31:11
Message-Id: 470C8AE9.7010909@gmail.com
In Reply to: Re: [gentoo-laptop] Problem with CPU temperature (Santa Rosa CPU) by Marco Calviani
1 Did you compile support for this CPU into kernell ??
2 It looks like the kernell doesn't know about it at all
3
4 Marco Calviani pisze:
5 > Hi Beso,
6 > actually i'm getting this error:
7 >
8 > cat /proc/acpi/thermal_zone/TZ01/polling_frequency
9 > <polling disabled>
10 >
11 > cat /proc/acpi/thermal_zone/TZ01/cooling_mode
12 > <setting not supported>
13 >
14 > m
15 >
16 > On 10/9/07, Beso <givemesugarr@×××××.com> wrote:
17 >
18 >> your thermal doesn't poll.... make it poll like this:
19 >> echo "2 seconds" >
20 >> /proc/acpi/thermal_zone/THRM/polling_frequency
21 >> or wichever thermal zone is in /proc/acpi/thermal_zone. then verify your
22 >> trip points in the same THRM directory but in the file trip_points. you
23 >> should see something like this:
24 >> critical (S5): 105 C
25 >> passive: 76 C: tc1=3 tc2=1 tsp=150 devices=CPU0
26 >> active[0]: 67 C: devices= FN1
27 >> active[1]: 57 C: devices= FN2
28 >>
29 >> in the eg passive means that your cpu is downclocked since it has passed 76
30 >> degrees C
31 >> active [0] means that your fan is triggered to on
32 >> active[1] means that the fan is not triggered and it is shut down.
33 >> the critical point is when the system shuts down.
34 >> if the polling_frequency tweak doesn't work then you have another problem
35 >> (eg i had to compile the fan and thermal module included in kernel since
36 >> modprobing them would not start the fan). if it works copy the tweak command
37 >> and put it in some init script (i put it at the start of /etc/init.d/xdm so
38 >> that i'm sure it loads after acpi, since that file doesn't exists without
39 >> acpi loaded).
40 >> then try installing kima if you're using kde and add the kima kmenu applet
41 >> to monitor some things. you should be able to see that the processor hardly
42 >> passes 60 degrees while thermal goes high till the passive point and over;
43 >> if you monitor also the cpu load and freq you should be able to see how your
44 >> processors reacts to programs. remember to also install the klaptopdaemon
45 >> since is quite useful in controlling the cpufreq_utils governors and acpi
46 >> settings. try also the laptop_mode-tools and see if they can help you have a
47 >> better use for your disk. the last thing that you can also install is the
48 >> hddtemp for monitoring your disk temperature.
49 >>
50 >> 2007/10/9, Marco Calviani <marco.calviani@×××××.com>:
51 >>
52 >>> Hi list,
53 >>> i have a Santa Rosa (Core 2 Duo T7300) Acer AS5720 laptop, and i'm
54 >>> getting problems with the temperature of the CPU. In particular i'm
55 >>> using the coretemp module for determining the core temperature.
56 >>> Normally (using cpufreqd and the "ondemand" governor) the CPU stays at
57 >>> nearly 50C (which i think is quite high since in windows , using Core
58 >>> Temp it gives about 30C).
59 >>> While compiling this increases up to 95-100C (after which it shuts
60 >>> down). The problem is that the fan is not spinning up at all!
61 >>> What can be the cause of this behaviour? consider that i'm using an up
62 >>> to date system with gentoo-sources-2.6.22-r8.
63 >>>
64 >>> Any help appreciated,
65 >>> Regards,
66 >>> Marco
67 >>> --
68 >>> gentoo-laptop@g.o mailing list
69 >>>
70 >>>
71 >>>
72 >>
73 >> --
74 >> dott. ing. beso
75 >>
76 --
77 gentoo-laptop@g.o mailing list

Replies

Subject Author
Re: [gentoo-laptop] Problem with CPU temperature (Santa Rosa CPU) Marco Calviani <marco.calviani@×××××.com>