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Subjecthow do I read CPU temperature in ACPI? (w/ P5WD2 motherboard)
Hi.  I apologize for what is surely a stupid question: I understand
that ACPI should be able to tell me what my CPU's temperature is (I
have a sever overheating problem and I am trying to solve it by
underclocking somewhat, but I need to be able to read the temperature
to do anything worth while), but no matter what ACPI modules I load, I
can't find any hint of a CPU temperature reading anywhere below
/proc/acpi (the /proc/acpi/thermal_zone/ directory, for example,
remains empty).

That's with the "thermal", "processor" and "fan" modules loaded (and a
few others; full listing follows signature). I tried to load the
asus_acpi module also, since I have an ASUS motherboard (a P5WD2
Premium - precise details are given below signature), but I got a "No
such device" error. Does that mean my motherboard is unsupported and
I cannot read my CPU temperature at all? (But I thought the whole
_point_ of ACPI was that it was an abstraction away from the hardware:
so why is there such a thing as "Asus" ACPI?) Or else, what am I
doing wrong?

--
David A. Madore
(david.madore@ens.fr,
http://www.madore.org/~david/ )

Full details:

hardware config:

Asus P5WD2 Premium motherboard
Intel 995X chipset
Intel Pentium 4 550 @3.4GHz processor

lsmod output:

Module Size Used by
ac 5892 0
container 5504 0
fan 5636 0
video 17156 0
thermal 14600 0
processor 24328 1 thermal
nvidia 3714948 12
agpgart 37580 1 nvidia
ide_cd 44804 0
cdrom 42528 1 ide_cd
af_packet 25480 4
ip6table_filter 3840 1
ip6_tables 21120 1 ip6table_filter
ipt_REJECT 6656 8
ipt_TOS 3584 1
reiserfs 281716 7
snd_emu10k1_synth 8960 0
snd_emu10k1 120068 1 snd_emu10k1_synth
snd_ac97_codec 84216 1 snd_emu10k1
snd_pcm_oss 54688 0
snd_mixer_oss 20736 1 snd_pcm_oss
snd_pcm 96900 3 snd_emu10k1,snd_ac97_codec,snd_pcm_oss
snd_page_alloc 11140 2 snd_emu10k1,snd_pcm
snd_emux_synth 39680 1 snd_emu10k1_synth
snd_seq_virmidi 9088 1 snd_emux_synth
snd_seq_midi_emul 8576 1 snd_emux_synth
snd_seq_dummy 4740 0
snd_seq_oss 36992 0
snd_seq_midi 10144 0
snd_rawmidi 27040 3 snd_emu10k1,snd_seq_virmidi,snd_seq_midi
snd_seq_midi_event 8960 3 snd_seq_virmidi,snd_seq_oss,snd_seq_midi
snd_seq 57360 9 snd_emux_synth,snd_seq_virmidi,snd_seq_midi_emul,snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer 27012 3 snd_emu10k1,snd_pcm,snd_seq
snd_seq_device 9740 8 snd_emu10k1_synth,snd_emu10k1,snd_emux_synth,snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd_hwdep 10400 2 snd_emu10k1,snd_emux_synth
snd 57956 13 snd_emu10k1,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_emux_synth,snd_seq_virmidi,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device,snd_hwdep
soundcore 11232 1 snd
snd_util_mem 5632 2 snd_emu10k1,snd_emux_synth
ipv6 272544 24
mousedev 13220 2
iptable_mangle 3968 1
iptable_nat 25268 0
ip_conntrack 47208 1 iptable_nat
iptable_filter 4096 1
ip_tables 23296 5 ipt_REJECT,ipt_TOS,iptable_mangle,iptable_nat,iptable_filter
capability 5896 0
commoncap 8064 1 capability
ext2 72328 6
ext3 146952 0
jbd 64920 1 ext3
mbcache 11268 2 ext2,ext3
ppp_deflate 7424 0
zlib_deflate 23704 1 ppp_deflate
bsd_comp 7168 0
tun 13056 1
ppp_async 13312 1
ppp_generic 31892 7 ppp_deflate,bsd_comp,ppp_async
slhc 8064 1 ppp_generic
crc_ccitt 3072 1 ppp_async
dummy 4100 0
dm_mod 62368 0
ohci1394 37300 0
ieee1394 107704 1 ohci1394
usbhid 36832 0
ohci_hcd 23172 0
uhci_hcd 34960 0
usbcore 125820 4 usbhid,ohci_hcd,uhci_hcd
e1000 108724 0
rtc 14664 0
unix 31248 364

lspci output:

0000:00:00.0 Host bridge: Intel Corp.: Unknown device 2774 (rev 81)
0000:00:01.0 PCI bridge: Intel Corp.: Unknown device 2775 (rev 81)
0000:00:1b.0 0403: Intel Corp.: Unknown device 27d8 (rev 01)
0000:00:1c.0 PCI bridge: Intel Corp.: Unknown device 27d0 (rev 01)
0000:00:1c.1 PCI bridge: Intel Corp.: Unknown device 27d2 (rev 01)
0000:00:1c.2 PCI bridge: Intel Corp.: Unknown device 27d4 (rev 01)
0000:00:1c.3 PCI bridge: Intel Corp.: Unknown device 27d6 (rev 01)
0000:00:1c.4 PCI bridge: Intel Corp.: Unknown device 27e0 (rev 01)
0000:00:1c.5 PCI bridge: Intel Corp.: Unknown device 27e2 (rev 01)
0000:00:1d.0 USB Controller: Intel Corp.: Unknown device 27c8 (rev 01)
0000:00:1d.1 USB Controller: Intel Corp.: Unknown device 27c9 (rev 01)
0000:00:1d.2 USB Controller: Intel Corp.: Unknown device 27ca (rev 01)
0000:00:1d.3 USB Controller: Intel Corp.: Unknown device 27cb (rev 01)
0000:00:1d.7 USB Controller: Intel Corp.: Unknown device 27cc (rev 01)
0000:00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev e1)
0000:00:1f.0 ISA bridge: Intel Corp.: Unknown device 27b8 (rev 01)
0000:00:1f.1 IDE interface: Intel Corp.: Unknown device 27df (rev 01)
0000:00:1f.2 IDE interface: Intel Corp.: Unknown device 27c0 (rev 01)
0000:00:1f.3 SMBus: Intel Corp.: Unknown device 27da (rev 01)
0000:01:01.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 0a)
0000:01:01.1 Input device controller: Creative Labs SB Live! MIDI/Game Port (rev 0a)
0000:01:03.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22/A IEEE-1394a-2000 Controller (PHY/Link)
0000:01:04.0 Unknown mass storage controller: Integrated Technology Express, Inc.: Unknown device 8211 (rev 11)
0000:01:05.0 Ethernet controller: Marvell Technology Group Ltd. Yukon Gigabit Ethernet 10/100/1000Base-T Adapter (rev 13)
0000:02:00.0 Unknown mass storage controller: Silicon Image, Inc. (formerly CMD Technology Inc): Unknown device 3132 (rev 01)
0000:03:00.0 Ethernet controller: Intel Corp.: Unknown device 108b (rev 03)
0000:08:00.0 VGA compatible controller: nVidia Corporation: Unknown device 0161 (rev a1)
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