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#1 2010-03-27 02:00:12

Lifschitz
Member
Registered: 2010-03-11
Posts: 4

Dell 1555 & Cpu fan control

I have a problem with my Dell Studio 1555 (2.6.32-ARCH i686 Intel Core 2 Duo T6500), the cpu fan is on constantly even the temperture of my core is only 36~54°C. Sensors-detect only detects coretemp, but cannot detect any information of my fan. I8k always hangs my computer (when I8k is running, the computer doesn't respond to keyboard or mouse control right now, but it responds every 20s or even longer). I've found some one else also have the problem, but I can't find the solution.
Is there anybody can help me?
And I also want to ask how to install the catalyst. Everytime finishing installing, the X cannot run.

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#2 2010-03-27 09:55:14

rubend
Member
Registered: 2008-04-20
Posts: 47

Re: Dell 1555 & Cpu fan control

Got the same problem. There's no easy fix.
You can stop the fans totally but there's no use to that, is there tongue.

Catalyst isn't officially supported. You have to install it from aur. (easiest way is through yaourt see wiki) Be careful when updating your kernel or Xorg xserver if you use catalyst.
Installing catalyst driver will reduce fan blowing somewhat.

I use the opensource ati driver and have gotten used to the fan blowing hard. Eventually it's only background noise and your cpu runs extremely cool ;-).

As for the long term solution: just cross your fingers and hope that someone will fix it in an upcoming kernel/acpi version. (That's the great thing about arch, you'll be the first person to get it)

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#3 2010-03-27 12:27:52

Lifschitz
Member
Registered: 2010-03-11
Posts: 4

Re: Dell 1555 & Cpu fan control

Thank you, rubend.Hope someone will fix it. Now I use the opensource ati driver, but I'm confused with the result of hwd:

Testing: kernel (2.6.32-ARCH) supports uevents
Please wait...
HARDWARE DETECT ver 5.5.2 (simple mode)
  Kernel     : 2.6.32-ARCH
  CPU & Cache: Processor 0: Intel(R) Core(TM)2 Duo CPU     T6500  @ 2.10GHz 2100MHz, 2048 KB Cache
Processor 1: Intel(R) Core(TM)2 Duo CPU     T6500  @ 2.10GHz 2100MHz, 2048 KB Cache

  Sound(a)   : 82801I ICH9 Family HD Audio Controller module: snd-hda-intel
  Sound(a)   : RV710/730 module: snd-hda-intel
  Video      : M92 [Mobility Radeon HD 4500 Series] server: Xorg (vesa) 
  Driver     : xf86-video-vesa   module: -
  Monitor    : Generic Monitor  H: 28.0-96.0kHz V: 50.0-75.0Hz
  Mouse      : Touch Pad xtype: IMPS2 device: /dev/input/mice
  USB        : 82801I ICH9 Family USB UHCI Controller #3 module: uhci_hcd
  USB2       : 82801I ICH9 Family USB2 EHCI Controller #1 module: ehci_hcd
  SD Slot    : R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter module: sdhci-pci

  Ethernet   : NetLink BCM5784M Gigabit Ethernet PCIe module: tg3
  Network    : BCM4312 802.11b/g module: b43-pci-bridge
  Bluetooth  : Dell Computer Corp. Wireless 370 Bluetooth
Broadcom Corp. BCM2046B1 USB 2.0 Hub
  Firewire   : R5C832 IEEE 1394 Controller  module: firewire_ohci

  Menu       : Main menu: hwd
  All        : Detect all hardwares: hwd -e
  X sample   : Generate X sample: hwd -x

Why does it tell me the video driver is vesa? Or your result is same as mine?

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#4 2010-03-28 21:42:56

rubend
Member
Registered: 2008-04-20
Posts: 47

Re: Dell 1555 & Cpu fan control

hwd detects your hardware and suggests what module/driver to use.
I got the same result for Driver. (I guess hwd is still a little shabby)
It doesn't mean that you are currently running that video driver.

The xf86-video-ati driver should run quite good on your system. (although the graphics card is relatively new)
To get all the updates on the newest/upcoming features + comparisons between catalyst and the oss driver see:
www.phoronix.com

some interesting articles:
http://www.phoronix.com/scan.php?page=a … 0_3d&num=1
http://www.phoronix.com/scan.php?page=a … 0_2d&num=1

your card is a r700 series
http://en.wikipedia.org/wiki/Radeon_R700

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#5 2010-03-29 05:41:09

devadittya
Member
From: Bangalore
Registered: 2009-11-16
Posts: 127
Website

Re: Dell 1555 & Cpu fan control

I need some help here. Have the same laptop, and my CPU temperature is going up to 100C (before the laptop shuts itself down). I am using the open source ati driver.
The laptop seems to be fine on windows, so I am guessing this to be an acpi issue. Also, this seems to be a recent problem. My laptop was running 24/7 on Arch, before the last pacman -Syu.

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#6 2010-03-29 18:55:54

mits
Member
From: Bucharest/Romania
Registered: 2008-01-10
Posts: 129

Re: Dell 1555 & Cpu fan control

I have dell 1555 (kernel26-2.6.30 x86_64 Core 2 duo T6600 with catalyst from aur) and how you can see i use a 2.6.30 kernel with noapic option at boot, because of acpi related problems.
With all 2.6.32-33 kernels all is ok, but when I resume from suspend fan is stoped and temperature sensors report 0°C except core sensors.
So my advise is to try a kernel 2.6.30, udev-compat installed (without that my touchpad isn't working), it must to install catalyst from aur (for ATI powerplay) with old xorg packages.
Take a look here http://chakra-project.org/bbs/viewtopic.php?id=1829
Kernel 2.6.30 is hard to find, I have x86_64.pkg.tar.gz 2.6.30 kernels and old chakra alpha3 livecd here torrents http://linuxtracker.org/index.php?page= … &tracker=0.
Good luck!

Last edited by mits (2010-03-29 19:30:48)

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#7 2010-03-29 19:41:34

mits
Member
From: Bucharest/Romania
Registered: 2008-01-10
Posts: 129

Re: Dell 1555 & Cpu fan control

Here I uploaded old 2.6.30 x86_64 kernels:
http://www.fileshare.ro/4080097711.22 kernel26-2.6.30.4-1.x86_64.pkg.tar.gz;
http://www.fileshare.ro/4080368717.12 kernel26-2.6.30-5-x86_64.pkg.tar.gz
http://www.fileshare.ro/4080450020.64 kernel26-2.6.30.5-1-x86_64.pkg.tar.gz
http://www.fileshare.ro/4080495189.62 kernel26-2.6.30.6-1-x86_64.pkg.tar.gz

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#8 2010-03-29 20:45:39

devadittya
Member
From: Bangalore
Registered: 2009-11-16
Posts: 127
Website

Re: Dell 1555 & Cpu fan control

devadittya wrote:

I need some help here. Have the same laptop, and my CPU temperature is going up to 100C (before the laptop shuts itself down). I am using the open source ati driver.
The laptop seems to be fine on windows, so I am guessing this to be an acpi issue. Also, this seems to be a recent problem. My laptop was running 24/7 on Arch, before the last pacman -Syu.

Should I go back to kernel 2.6.30 as well?

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#9 2010-03-30 14:09:28

devadittya
Member
From: Bangalore
Registered: 2009-11-16
Posts: 127
Website

Re: Dell 1555 & Cpu fan control

Anyone has any ideas? The system is heating up from 40C to 100C in like 20 minutes, and then it shuts itself down.

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#10 2010-03-30 15:29:58

mits
Member
From: Bucharest/Romania
Registered: 2008-01-10
Posts: 129

Re: Dell 1555 & Cpu fan control

Did you try 2.6.30 kernel with catalyst video driver and noapic driver in /boot/grub/menu.lst kernel line

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#11 2010-03-30 16:02:05

devadittya
Member
From: Bangalore
Registered: 2009-11-16
Posts: 127
Website

Re: Dell 1555 & Cpu fan control

I was on 2.6.31 and everything was working brilliantly. The last update to 2.6.32 ruined everything. I tried a pacman -U to get back to 2.6.31, but after rebooting I get a blank white screen in place of my desktop. Should I wait for 2.6.33/34 or is there a fix?

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#12 2010-03-31 15:56:59

devadittya
Member
From: Bangalore
Registered: 2009-11-16
Posts: 127
Website

Re: Dell 1555 & Cpu fan control

I tried installing i8kmon, and fiddling around. Nothing seems to work sad

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#13 2010-03-31 16:08:41

devadittya
Member
From: Bangalore
Registered: 2009-11-16
Posts: 127
Website

Re: Dell 1555 & Cpu fan control

Can someone point me to a document which explains downgrading to kernel 2.6.31. I am doing a pacman -U, but then KDE doesn't work anymore (I get a white screen)

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#14 2010-03-31 16:29:00

mits
Member
From: Bucharest/Romania
Registered: 2008-01-10
Posts: 129

Re: Dell 1555 & Cpu fan control

You must to reinstall catalyst video driver (if you have catalyst installed) or to install xf86-video-ati video driver.

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#15 2010-03-31 18:50:54

devadittya
Member
From: Bangalore
Registered: 2009-11-16
Posts: 127
Website

Re: Dell 1555 & Cpu fan control

I reinstall the driver, and reconfigured Xorg. Still, no help. Just a white screen (I can actually rotate the cube big_smile)

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#16 2010-03-31 19:10:02

devadittya
Member
From: Bangalore
Registered: 2009-11-16
Posts: 127
Website

Re: Dell 1555 & Cpu fan control

Back on 2.6.32 and 100 degrees of temperature. The issue is that the fan is working too slow.
P.S. I just noticed that my CD eject button doesn't function either.
P.P.S I am running a nice thermodynamic workshop here. Linux heats is up to 100 degrees centigrade. I reboot, log into to windows 7. It cools it back to 45-50 degrees in like 10 minutes. Then I get back to Arch before it heats it up again. I guess that solves the 'linux vs windows' debate. hmm

Last edited by devadittya (2010-03-31 19:59:05)

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#17 2010-04-01 15:34:24

devadittya
Member
From: Bangalore
Registered: 2009-11-16
Posts: 127
Website

Re: Dell 1555 & Cpu fan control

Is there any tool that'll help me increase the fan speed?

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#18 2010-04-01 20:41:55

devadittya
Member
From: Bangalore
Registered: 2009-11-16
Posts: 127
Website

Re: Dell 1555 & Cpu fan control

The problem was the open source driver. I moved to Catalyst-test 10.4.4.1, and the heating problem is gone. What was heating was the GPU.

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#19 2010-04-09 19:59:30

nescafe1001
Member
Registered: 2010-04-09
Posts: 3

Re: Dell 1555 & Cpu fan control

Applying this patch to the kernel (from this kernel bug) will resolve fan/thermal issues on the Dell Studio 1555 -- the 2.6.32 kernel update broke acpi embedded controller handling for some oddball systems (of which the 1555 is one which I own, sigh), and the fix has not been rolled into a stable release yet.

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