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I have Sony Vaio pcG-392M. The video is "GeForce 8400M GT". I use XBMC on it most of the time. Ubuntu 12.04. Kernel 3.2.0-33-generic-pae.

The problem:

Fan is on most of the time. CPU stays 70C, gets that hot minutes after the PC is turned on, the temp never goes down, even if the machine is idling.

I updated Nvidia drivers, installed sensors and powertop, but cannont figure out what is causing the instant load. Here is the output of both:

sensors: (The machine was playing music for 20 minutes before getting the output, it is ususally 70 after reboot)

acpitz-virtual-0 Adapter: Virtual device

temp1: +94.0°C (crit =+127.0°C) temp2: +94.0°C (crit = +105.0°C)

coretemp-isa-0000 Adapter: ISA adapter Core 0: +92.0°C (high = +100.0°C, crit = +100.0°C)

Core 1: +92.0°C (high = +100.0°C, crit = +100.0°C)

powertop - Overview:

Usage Events/s Category Description

100.0% Device Audio codec hwC0D0: SigmaTel

1.9 ms/s 87.1 Interrupt [6] tasklet(softirq)

60.2 µs/s 27.4 kWork ieee80211_iface_work

160.9 µs/s 15.7 Timer tick_sched_timer

258.7 µs/s 9.8 Interrupt [23] ehci_hcd:usb2

168.6 µs/s 9.8 Process syndaemon -i 2.0 -K -R -t

67.1 µs/s 8.8 Timer hrtimer_wakeup

43.4 µs/s 8.8 Process [RTKTHREAD]

12.9 ms/s 2.9 Process powertop

361.2 µs/s 4.9 Process /usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background no

0.0 µs/s 3.9 kWork BlinkWorkItemCallback

2.0 ms/s 2.0 Process unity-2d-shell

140.0 µs/s 2.0 Process /usr/lib/gnome-settings-daemon/gnome-settings-daemon

370.0 µs/s 1.0 Process NetworkManager

318.4 µs/s 1.0 Process dbus-daemon --system --fork --activation=upstart

149.5 µs/s 1.0 Process /usr/lib/ubuntu-geoip/ubuntu-geoip-provider

137.9 µs/s 1.0 Process /usr/lib/telepathy/mission-control-5

123.2 µs/s 1.0 Process sshd: deckoff@pts/0

81.2 µs/s 1.0 Process /usr/lib/accountsservice/accounts-daemon

74.6 µs/s 1.0 Process /usr/lib/unity-lens-applications/unity-applications-daemon

66.1 µs/s 1.0 Process /usr/lib/gvfs/gvfsd-trash --spawner :1.9 /org/gtk/gvfs/exec_spaw/0

61.0 µs/s 1.0 Process zeitgeist-datahub

58.2 µs/s 1.0 Process nautilus -n

30.2 µs/s 1.0 Process /usr/lib/gvfs/gvfs-afc-volume-monitor

12.5 µs/s 1.0 kWork flush_to_ldisc

12.1 µs/s 1.0 Timer watchdog_timer_fn

4.9 µs/s 1.0 Process [watchdog/1]

4.5 µs/s 1.0 Process [watchdog/0]

1.5 ms/s 0.0 Interrupt [16] nvidia

0.9 ms/s 0.0 Interrupt [47] iwl3945

382.9 µs/s 0.0 Process [migration/1]

269.4 µs/s 0.0 Interrupt [16] yenta

263.9 µs/s 0.0 Process nm-applet

249.1 µs/s 0.0 Interrupt [0] timer/0

Idle stats:

Package | CPU 0 POLL 0.0% | POLL 0.0% 0.0 ms C1 0.0% | C1 0.0% 0.0 ms

C2 0.0% | C2 0.0% 0.0 ms C3 99.3% | C3 99.2% 6.7 ms

| CPU 1 | POLL 0.0% 0.0 ms | C1 0.0% 0.0 ms | C2 0.0% 0.3 ms | C3

99.5% 6.6 ms

Frequency stats:

Package | CPU 0 Turbo Mode 0.3% | Turbo Mode 0.3%

2.00 Ghz 0.0% | 2.00 Ghz 0.0%

1.60 Ghz 0.0% | 1.60 Ghz 0.0% 1200 Mhz 0.0% | 1200 Mhz 0.0% 800 Mhz 0.0% | 800 Mhz 0.0% Idle 99.7% | Idle 99.7%

| CPU 1 | Turbo Mode 0.0% | 2.00 Ghz 0.0% | 1.60 Ghz 0.0% | 1200 Mhz

0.0% | 800 Mhz 0.0% | Idle 100.0%

Device Stats

Usage Device name

0.9% CPU use

100.0% Audio codec hwC0D0: SigmaTel

513.4 pkts/s Network interface: wlan0 (iwl3945)

132.3 pkts/s Network interface: wlan1 (rtl8192cu)

100.0% PCI Device: Intel Corporation 82801H (ICH8 Family) PCI Express Port 5

100.0% PCI Device: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1

100.0% PCI Device: Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection

100.0% PCI Device: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD)

100.0% PCI Device: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3

100.0% PCI Device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller

100.0% PCI Device: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1

100.0% PCI Device: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2

100.0% PCI Device: Intel Corporation 82801H (ICH8 Family) PCI Express Port 3

100.0% Radio device: iwl3945

100.0% PCI Device: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4

100.0% PCI Device: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2

100.0% PCI Device: Texas Instruments PCIxx12 Cardbus Controller

100.0% PCI Device: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1

100.0% PCI Device: Intel Corporation 82801HM/HEM (ICH8M/ICH8M-E) IDE Controller

100.0% PCI Device: Intel Corporation 82801HM/HEM (ICH8M/ICH8M-E) SATA Controller [AHCI mode]

100.0% PCI Device: NVIDIA Corporation G86 [GeForce 8400M GT]

100.0% USB device: UHCI Host Controller

100.0% USB device: UHCI Host Controller

100.0% PCI Device: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5

100.0% USB Device: usb-device-05ca-183b

100.0% USB device: 802.11n WLAN Adapter (Realtek)

100.0% USB device: EHCI Host Controller

100.0% USB device: EHCI Host Controller

100.0% USB device: UHCI Host Controller

100.0% USB device: UHCI Host Controller

100.0% PCI Device: Intel Corporation Mobile PM965/GM965/GL960 PCI Express Root Port

100.0% PCI Device: Marvell Technology Group Ltd. 88E8036 PCI-E Fast Ethernet Controller

100.0% USB device: UHCI Host Controller

100.0% PCI Device: Texas Instruments PCIxx12 OHCI Compliant IEEE 1394 Host Controller

100.0% PCI Device: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2

share|improve this question
    
What Ubuntu version are you using? –  Exeleration-G Nov 19 '12 at 17:35
    
Your using the Proprietary Graphics Drivers? Have you checked the Power Management settings? They are available in the 'nvidia-settings' utility, under the 'PowerMizer' tab. –  David Nov 28 '12 at 11:41
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2 Answers 2

up vote 2 down vote accepted
+50

I had the same problem with my vaio laptop, but I have a radeon HD graphic card which are worst than Nvidia usually. After weeks of search here is my last solution :

  1. Open a terminal (Ctrl+Alt+T)

  2. Open the /etc/rc.local file entering this command: sudo gedit /etc/rc.local

  3. Put the following command into the file, before the exit 0 line

    sudo bash -c "echo low > /sys/class/drm/card0/device/power_profile"

  4. Save and close the file and reboot the computer.

An example of how your file should look like.

This command will put the energy profile in low mode, so it will decrease the consuming, this should increase the battery life too.

NOTE: I use the open source drive, it's the best but I think for Nvidia you should go for the proprietary.

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3  
What exactly does this do. It seems this is used mainly for Nvidia cards –  deckoff Nov 24 '12 at 16:35
    
Hi. I have Vaio VPCS11M9R. I tried to follow your advice, but didn't find /sys/class/drm.... sub-directory in my case. I have NVIDIA GT218M and my fans are constantly working, though in case of windows 7 I got managed to decrease them... Maybe you have some mor e advices? –  Oleksa Jun 21 '13 at 10:42
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Unfortunately nvidia graphics tend to get mighty hot (trust me, I have experienced this) and in most systems with a good processor + nvidia graphics + a non-ssd drive, 70C is actually a good temperature (unless maybe you are in an air-conditioned environment).

If you know how, you can use compressed air to clean the vents, but it will only be a temporary solution, and should get your system's idle temperature to the 40s or so. I'm sorry there isn't much of a better solution.

share|improve this answer
    
Cleaning did not help, unfortunately:( –  deckoff Nov 24 '12 at 16:35
    
Is there a way to decrease the fan speed for Nvidia? I got managed to make that on windows7, but not possible to do that with Ubuntu13.04 :( –  Oleksa Jun 21 '13 at 10:44
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