System running hot!

G

grimgent

I'm running an Intel CORE Duo with ATI RADEON Graphics.
My system runs pretty hot:

Output of sysctl -a | grep temperature
Code: 
hw.acpi.thermal.tz0.temperature: 79.0C
dev.cpu.0.temperature: 92.0C
dev.cpu.1.temperature: 93.0C

Output of top
Code: 
last pid:  6534;  load averages:  0.66,  0.64,  0.58                                       up 0+00:21:06  02:56:01
73 processes:  1 running, 72 sleeping
CPU:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  0.0% idle
Mem: 419M Active, 233M Inact, 210M Wired, 141M Buf, 3047M Free
Swap: 3852M Total, 3852M Free

  PID USERNAME    THR PRI NICE   SIZE    RES STATE   C   TIME    WCPU COMMAND
1524 root          2  20    0   159M 53088K uwait   1   1:10   6.69% Xorg
1761 ---         3  52    0   258M 27784K select  1   0:07   2.29% gnome-terminal
1273 root          1  21    0 16628K  1988K select  0   0:12   1.46% moused
1666 ---         2  52    0   169M 22484K select  1   0:02   1.37% metacity
6466 root          1  20    0 19768K  2932K CPU1    1   0:00   0.98% top
1679 ---         2  52    0   276M 27624K select  1   0:14   0.39% gnome-netstatus-app
1668 ---         3  24    0   364M 45196K kqread  1   0:01   0.10% nautilus
4721 ---        31  20    0   836M   417M uwait   0   1:02   0.00% firefox
1667 ---         3  26    0   327M 38472K kqread  1   0:05   0.00% gnome-panel
2886 ---         2  20    0   263M 25184K select  0   0:02   0.00% multiload-applet-2
1464 haldaemon     2  52    0 60700K  8636K select  1   0:02   0.00% hald
1295 messagebus    1  20    0 17044K  3448K select  0   0:01   0.00% dbus-daemon
1658 ---         3  49    0   333M 25776K kqread  1   0:01   0.00% gnome-settings-daem
1602 root          2  20    0 54908K  6764K select  1   0:01   0.00% upowerd
1677 ---         2  20    0   242M 23032K select  0   0:01   0.00% wnck-applet
1669 ---         2  52    0   260M 21512K select  1   0:01   0.00% gnome-power-manager
1628 ---         3  52    0   173M 18960K select  1   0:01   0.00% gnome-session
1728 root          1  20    0 60232K 19604K select  0   0:01   0.00% perl5.16.3
1682 ---         3  28    0   348M 31404K kqread  1   0:01   0.00% clock-applet
1654 ---         1  20    0 51012K  9392K select  0   0:00   0.00% gconfd-2
1684 ---         5  21    0   213M  8428K select  1   0:00   0.00% pulseaudio
1511 root          1  20    0 23260K  2628K select  1   0:00   0.00% hald-addon-storage
1318 root          3  20    0 65380K  7152K kqread  0   0:00   0.00% polkitd
1637 ---         1  20    0 17044K  3068K select  0   0:00   0.00% dbus-daemon
  981 root          1  20    0 13584K  4464K select  0   0:00   0.00% devd
1694 ---         2  30    0 59948K  7368K kqread  1   0:00   0.00% gvfsd-trash
1316 root         17  20    0 78400K  7492K select  1   0:00   0.00% console-kit-daemon
1675 ---         1  20    0   336M 24188K select  0   0:00   0.00% gnome-volume-contro
1600 root          2  22    0 91440K  7952K select  1   0:00   0.00% gdm-session-worker
1683 ---         2  23    0   227M 19184K select  1   0:00   0.00% notification-area-a

How can I cool things down?
 
This looks weird:
Code: 
CPU: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 0.0% idle
There's no load but there's nothing idle either. This shouldn't be possible.
 
Try with powerd(8). You can enable it with:
Code: 
powerd_enable="YES"
in rc.conf. Then execute service powerd start to start it.

The default settings should be sufficient for beginning.
 
Also check out your CPU cooling system. Yes. I know. It is hardware but in the past I had a similar problem. My computer was ok but the minimum temperature in idle state was 55C. During compiling it was reaching 90C! The fact was that after five years my CPU cooler was just died. It was turning but not cooling enough the CPU even when it was doing nothing. I changed CPUs and now my temperatures are back to normal.
 
After starting powerd:
Code: 
hw.acpi.thermal.tz0.temperature: 74.0C
dev.cpu.0.temperature: 87.0C
dev.cpu.1.temperature: 86.0C

Output of sysctl -a | grep freq_levels
Code: 
dev.cpu.0.freq_levels: 2133/35000 1866/30625 1600/15000 1400/13125 1200/11250 1000/9375 800/12000 700/10500 600/9000 500/7500 400/6000 300/4500 200/3000 100/1500

Output of powerd -v:
Code: 
powerd: using sysctl for AC line status
powerd: using devd for AC line status
load  3%, current freq 2133 MHz ( 0), wanted freq 2066 MHz
load  42%, current freq 2133 MHz ( 0), wanted freq 2313 MHz
load  0%, current freq 2133 MHz ( 0), wanted freq 2240 MHz
load  41%, current freq 2133 MHz ( 0), wanted freq 2449 MHz
load  0%, current freq 2133 MHz ( 0), wanted freq 2372 MHz
load  42%, current freq 2133 MHz ( 0), wanted freq 2656 MHz
load  7%, current freq 2133 MHz ( 0), wanted freq 2573 MHz
load  71%, current freq 2133 MHz ( 0), wanted freq 4266 MHz
load  26%, current freq 2133 MHz ( 0), wanted freq 4266 MHz
load  36%, current freq 2133 MHz ( 0), wanted freq 4266 MHz
load  14%, current freq 2133 MHz ( 0), wanted freq 4132 MHz
load  42%, current freq 2133 MHz ( 0), wanted freq 4266 MHz
load  11%, current freq 2133 MHz ( 0), wanted freq 4132 MHz
load  42%, current freq 2133 MHz ( 0), wanted freq 4266 MHz
load  11%, current freq 2133 MHz ( 0), wanted freq 4132 MHz
load  42%, current freq 2133 MHz ( 0), wanted freq 4266 MHz
load  11%, current freq 2133 MHz ( 0), wanted freq 4132 MHz
load  41%, current freq 2133 MHz ( 0), wanted freq 4266 MHz
load  4%, current freq 2133 MHz ( 0), wanted freq 4132 MHz
load  39%, current freq 2133 MHz ( 0), wanted freq 4266 MHz
load  4%, current freq 2133 MHz ( 0), wanted freq 4132 MHz
load  42%, current freq 2133 MHz ( 0), wanted freq 4266 MHz
load  7%, current freq 2133 MHz ( 0), wanted freq 4132 MHz
load  48%, current freq 2133 MHz ( 0), wanted freq 4266 MHz
load  0%, current freq 2133 MHz ( 0), wanted freq 4132 MHz
load  39%, current freq 2133 MHz ( 0), wanted freq 4266 MHz
load  8%, current freq 2133 MHz ( 0), wanted freq 4132 MHz
load  41%, current freq 2133 MHz ( 0), wanted freq 4266 MHz
load  4%, current freq 2133 MHz ( 0), wanted freq 4132 MHz
 
Is this desktop a Dell, HP, or any other well known brand?
Those temperatures are not unusual for:
  • a laptop,
  • a desktop CPU with stock cooler, stock case with minimum vents, very old thermal paste,
  • if you are building ports, it'll reach 100% load many times over depending on the port you are building
I suggest you dust off the desktop and change your thermal paste.
 
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