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  #1  
Old 28th June 2009, 09:41 AM
topquarck Offline
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Join Date: Dec 2007
Posts: 8
my fedora 11 Compaq nx6110 is overheating !

greetings all;

i installed Fedora 11 two days ago, i notices that the laptop's temp is too hot with normal use, espicially at the HDD . and yesterday it sutdown automatically

my /var/log/messages says:
Code:
 kernel: Critical temperature reached (102 C), shutting down.
the cpuspeed status says:
Code:
/etc/init.d/cpuspeed status
cpuspeed dead but subsys locked
it is not happening with me when using Windows XP. What is wrong ??? PLS heeeelp!
My laptop :
- compaq nx6110 intel Pentium M 1.8GHZ, 750 MB RAM, 60GB Toshiba HDD.
- dual boot winXP and fedora 11
- ACPID service installed and running, the default services are installed < fresh install>
- 3 partitions: '/boot' : ext3 , '/' ext4 and '/home' ext4 fs
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  #2  
Old 28th June 2009, 10:17 AM
CSchwangler Offline
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Join Date: Feb 2009
Posts: 2,535
Can you check the output of lsmod.
Quote:
# lsmod
Module Size Used by
fuse 49748 2
sunrpc 152364 1
ipv6 232364 18
cpufreq_ondemand 6052 1
acpi_cpufreq 8220 0
dm_multipath 13512 0
uinput 6496 0
snd_intel8x0 27440 0
snd_intel8x0m 12940 0
snd_ac97_codec 91752 2 snd_intel8x0,snd_intel8x0m
ppdev 6296 0
ac97_bus 1400 1 snd_ac97_codec
video 17360 0
parport_pc 22060 0
snd_pcm 62556 3 snd_intel8x0,snd_intel8x0m,snd_ac97_codec
snd_timer 17896 1 snd_pcm
snd 49044 5 snd_intel8x0,snd_intel8x0m,snd_ac97_codec,snd_pcm, snd_timer
firewire_ohci 19116 0
iTCO_wdt 10448 0
pcspkr 2156 0
firewire_core 36492 1 firewire_ohci
e100 28236 0
output 2364 1 video
parport 28548 2 ppdev,parport_pc
yenta_socket 21068 2
iTCO_vendor_support 2736 1 iTCO_wdt
i2c_i801 8056 0
thinkpad_acpi 53944 0
hwmon 2148 1 thinkpad_acpi
soundcore 5404 1 snd
nsc_ircc 14104 0
mii 4008 1 e100
rsrc_nonstatic 9428 1 yenta_socket
irda 94504 1 nsc_ircc
crc_ccitt 1588 1 irda
snd_page_alloc 7572 3 snd_intel8x0,snd_intel8x0m,snd_pcm
crc_itu_t 1580 1 firewire_core
ata_generic 4264 0
pata_acpi 3624 0
radeon 481756 2
drm 166020 2 radeon
i2c_algo_bit 4788 1 radeon
i2c_core 18016 4 i2c_i801,radeon,drm,i2c_algo_bit
You should find entries with acpi and, more important, cpufreq_ondemand, which is responsible for on demand cpu frequency scaling. It reduces the speed at which you cpu runs and should therefore reduce the temperature.

You should also check the file
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor

It should contain the word "ondemand".

Prerequisite for all this is that you cpu supports frequency scaling, but since this is a Pentium M I guess that should be the case.
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  #3  
Old 28th June 2009, 10:33 AM
topquarck Offline
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Join Date: Dec 2007
Posts: 8
the lsmod output for my laptop is :
Code:
Code:
Module                  Size  Used by
sunrpc                152364  1 
ipv6                  232324  18 
cpufreq_ondemand        6052  1 
acpi_cpufreq            8212  0 
dm_multipath           13512  0 
snd_intel8x0m          12940  0 
snd_intel8x0           27440  3 
snd_ac97_codec         91752  2 snd_intel8x0m,snd_intel8x0
ac97_bus                1400  1 snd_ac97_codec
snd_pcm                62520  3 snd_intel8x0m,snd_intel8x0,snd_ac97_codec
snd_timer              17896  1 snd_pcm
firewire_ohci          19116  0 
b44                    22720  0 
snd                    49044  11 snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
yenta_socket           21068  1 
firewire_core          36492  1 firewire_ohci
iTCO_wdt               10448  0 
ssb                    33504  1 b44
soundcore               5404  1 snd
crc_itu_t               1580  1 firewire_core
rsrc_nonstatic          9428  1 yenta_socket
iTCO_vendor_support     2736  1 iTCO_wdt
mii                     4008  1 b44
snd_page_alloc          7572  3 snd_intel8x0m,snd_intel8x0,snd_pcm
wmi                     5868  0 
serio_raw               4852  0 
pcspkr                  2156  0 
joydev                  8972  0 
ata_generic             4312  0 
pata_acpi               3668  0 
i915                  144488  2 
drm                   166212  2 i915
i2c_algo_bit            4836  1 i915
i2c_core               18056  3 i915,drm,i2c_algo_bit
video                  17360  1 i915
output                  2364  1 video
as you can see, regarding the acpi and cpufreq i found the following entries:
Code:
cpufreq_ondemand        6052  1 
acpi_cpufreq                   8212  0 
pata_acpi                        3668  0
and the output of
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor is:
Code:
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
ondemand
and my /etc/sysconfig/cpuspeed file is :
Code:
# /etc/sysconfig/cpuspeed
#
# This configuration file controls the behavior of both the
# cpuspeed daemon and various cpufreq modules.
# For the vast majority of users, there shouldn't be any need to
# alter the contents of this file at all. By and large, frequency
# scaling should Just Work(tm) with the defaults.

### DRIVER ###
# Your CPUFreq driver module
# Note that many drivers are now built-in, rather than built as modules,
# so its usually best not to specify one.
# default value: empty (try to auto-detect/use built-in)
DRIVER=

### GOVERNOR ###
# Which scaling governor to use
# Details on scaling governors for your cpu(s) can be found in
# cpu-freq/governors.txt, part of the kernel-doc package
# NOTES:
# - The GOVERNOR parameter is only valid on centrino, powernow-k8 (amd64)
#   and acpi-cpufreq platforms, other platforms that support frequency
#   scaling always use the 'userspace' governor.
# - Using the 'userspace' governor will trigger the cpuspeed daemon to run,
#   which provides said user-space frequency scaling.
# default value: empty (defaults to ondemand on centrino, powernow-k8,
#                       and acpi-cpufreq systems, userspace on others)
GOVERNOR=

### FREQUENCIES ###
# NOTE: valid max/min frequencies for your cpu(s) can be found in
# /sys/devices/system/cpu/cpu*/cpufreq/scaling_available_frequencies
# on systems that support frequency scaling (though only after the
# appropriate drivers have been loaded via the cpuspeed initscript).
# maximum speed to scale up to
# default value: empty (use cpu reported maximum)
MAX_SPEED=
# minimum speed to scale down to
# default value: empty (use cpu reported minimum)
MIN_SPEED=

### SCALING THRESHOLDS ###
# Busy percentage threshold over which to scale up to max frequency
# default value: empty (use governor default)
UP_THRESHOLD=
# Busy percentage threshold under which to scale frequency down
# default value: empty (use governor default)
DOWN_THRESHOLD=

### NICE PROCESS HANDLING ###
# Let background (nice) processes speed up the cpu
# default value: 0 (background process usage can speed up cpu)
# alternate value: 1 (background processes will be ignored)
IGNORE_NICE=0


#####################################################
########## HISTORICAL CPUSPEED CONFIG BITS ##########
#####################################################
VMAJOR=1
VMINOR=1

# Add your favorite options here
#OPTS="$OPTS -s 0 -i 10 -r"

# uncomment and modify this to check the state of the AC adapter
#OPTS="$OPTS -a /proc/acpi/ac_adapter/*/state"

# uncomment and modify this to check the system temperature
#OPTS="$OPTS -t /proc/acpi/thermal_zone/*/temperature 75"
[
as you can see , the 'GOVERNER = ' is empty.


Another question PLS, what is wrong with my HDD ?? it is overheating too. has it something to do with ext4 filesystem and old HDD or just fixing acpi - it it has problems- will fix the HDD issue??

thans again in advance a really appreciate finding a solution to my problem.
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  #4  
Old 28th June 2009, 10:54 AM
CSchwangler Offline
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Join Date: Feb 2009
Posts: 2,535
The fact that the GOVERNOR in /etc/sysconfig/cpuspeed doesn't seem to be a problem, because its also empty on my machine, which by the way runs cool. So if frequency scaling works on your machine, the hdd could be the problem. In order to veryfy that frequency scaling works, you could look into

/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq

It should show something below you max frequency (of course not if you are running something that puts a demand on you cpu).

With respect to your hdd, I am running ext4 too and haven't noticed that my hdd would overheat due to this. The temperature of the hdd is more dependent on how fast it spins. My laptop has a hdd that spins on a relatively low speed of 5400 rpm.
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  #5  
Old 28th June 2009, 12:28 PM
CSchwangler Offline
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Join Date: Feb 2009
Posts: 2,535
Additionally, which desktop environment are you running and are you using desktop effects? I found that desktop effects can be quite ressource intensive. If you use desktop effects, does it make a difference if turn them completely off?
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