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c.f. bug 424647
List Archive: gentoo-amd64
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To: gentoo-amd64@g.o
From: Mansour Al Akeel <mansour.alakeel@...>
Subject: fan control
Date: Sat, 10 Mar 2012 15:28:23 -0500
My laptop started getting hot recently. There is no dust issue. The
fan just doesn't seem to start at all.
I tried to use lm_sensors and sensor-detect, but it's not detecting
any sensors. I tried to recompile the kernel, enabling
all the sensors but no luck. using acpi woks in reporting some values:

acpi -V
Adapter 0: on-line
Thermal 0: ok, 58.0 degrees C
Thermal 0: trip point 0 switches to mode critical at temperature 103.0 degrees C
Thermal 0: trip point 1 switches to mode passive at temperature 105.0 degrees C
Cooling 0: LCD 0 of 10
Cooling 1: Processor 0 of 7
Cooling 2: Processor 0 of 7
Cooling 3: Processor 0 of 7
Cooling 4: Processor 0 of 7

 lspci
00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor
Family DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation
Core Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation Cougar Point HECI
Controller #1 (rev 04)
00:1a.0 USB Controller: Intel Corporation Cougar Point USB Enhanced
Host Controller #2 (rev 05)
00:1b.0 Audio device: Intel Corporation Cougar Point High Definition
Audio Controller (rev 05)
00:1c.0 PCI bridge: Intel Corporation Cougar Point PCI Express Root
Port 1 (rev b5)
00:1c.1 PCI bridge: Intel Corporation Cougar Point PCI Express Root
Port 2 (rev b5)
00:1c.3 PCI bridge: Intel Corporation Cougar Point PCI Express Root
Port 4 (rev b5)
00:1c.5 PCI bridge: Intel Corporation Cougar Point PCI Express Root
Port 6 (rev b5)
00:1d.0 USB Controller: Intel Corporation Cougar Point USB Enhanced
Host Controller #1 (rev 05)
00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC
Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation Cougar Point 6 port SATA
AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation Cougar Point SMBus Controller (rev 05)
02:00.0 Network controller: Intel Corporation Centrino Wireless-N 1030 (rev 34)
03:00.0 USB Controller: Fresco Logic FL1000G USB 3.0 Host Controller (rev 04)
04:00.0 Ethernet controller: Attansic Technology Corp. AR8151 v2.0
Gigabit Ethernet (rev c0)

Linux localhost 3.1.10-gentoo-r1asus #1 SMP PREEMPT Sat Mar 3 04:46:53
EST 2012 x86_64 Intel(R) Core(TM) i5-2410M CPU @ 2.30GHz GenuineIntel
GNU/Linux

laptop is Asus U46E.
I am not very familiar with the kernel config related to thermal, so I
don't know exactly what other info I need to provide. If I am missing
something, please ask.

lsmod
Module                  Size  Used by
snd_seq_oss            30140  0
snd_seq_midi_event      5180  1 snd_seq_oss
snd_seq                51076  4 snd_seq_oss,snd_seq_midi_event
snd_seq_device          5109  2 snd_seq_oss,snd_seq
snd_pcm_oss            41686  0
snd_mixer_oss          14706  1 snd_pcm_oss
cryptd                  7437  0
aes_x86_64              7348  2
snd_hda_codec_hdmi     24224  1
uvcvideo               60957  0
snd_hda_codec_realtek   305650  1
aes_generic            25946  1 aes_x86_64
videodev               80368  1 uvcvideo
v4l2_compat_ioctl32     7844  1 videodev
ecb                     1881  1
btusb                  10681  0
bluetooth             140491  1 btusb
snd_hda_intel          23990  0
arc4                    1282  2
i915                  363756  3
drm_kms_helper         24196  1 i915
ehci_hcd               38628  0
snd_hda_codec          80497  3
snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
drm                   168771  4 i915,drm_kms_helper
i2c_i801                8470  0
i2c_algo_bit            6472  1 i915
iwlagn                274384  0
usbcore               123848  3 uvcvideo,btusb,ehci_hcd
snd_hwdep               6014  1 snd_hda_codec
snd_pcm                69577  4
snd_pcm_oss,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
intel_agp              10616  1 i915
processor              27833  4
video                  11367  1 i915
intel_gtt              14153  3 i915,intel_agp
backlight               4216  1 video
wmi                     8091  0
snd_timer              18721  2 snd_seq,snd_pcm
battery                 6165  0
thermal                 8514  0
button                  4271  1 i915
ac                      2248  0
agpgart                25680  3 drm,intel_agp,intel_gtt
mac80211              184435  1 iwlagn
snd                    57535  12
snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer
psmouse                54209  0
atl1c                  31135  0
cfg80211              159080  2 iwlagn,mac80211
soundcore               5329  1 snd
sg                     26740  0
snd_page_alloc          6577  2 snd_hda_intel,snd_pcm


Replies:
Re: fan control
-- Florian Philipp
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Updated Jun 28, 2012

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