HP 3123TX Heating issue

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HP 3123TX Heating issue

Postby hari.mohan.106 on Tue Dec 10, 2013 11:30 pm

Hey guys.
I recently installed Linux Mint 15 on my HP laptop model dv6 3123tx. While charging the laptop or while playing videos from my hard disk, the laptop heats up a lot. Also, I have a slight belief that my battery is getting drained a bit quicker than in Windows(I replaced my old battery recently). I have been through forums and I found out it might have something to do with fan speed. But my laptop fans are working alright. I thought it might have been my graphics(Intel+AMD discrete) but my AMD chip is already disabled and by default runs on Intel GPU. I don't know exactly what to do.
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Re: HP 3123TX Heating issue

Postby trapperjohn on Tue Dec 10, 2013 11:54 pm

Have you looked into cpu frequency scaling? It is the way to keep your laptop cool.

There are many ways to do this. Here's one article:

http://ubuntuhandbook.org/index.php/2013/08/change-cpu-frequency-ubuntu-linux-mint/
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Re: HP 3123TX Heating issue

Postby hari.mohan.106 on Thu Dec 12, 2013 9:20 am

I tried using the package for CPU scale frequency, and I set it to "powersave". But even now whenever I play videos or charge my laptop, I get the same heat.
Here is my output from 'sensors' command:
acpitz-virtual-0
Adapter: Virtual device
temp1: +70.0°C

radeon-pci-0100
Adapter: PCI adapter
temp1: +64.0°C

coretemp-isa-0000
Adapter: ISA adapter
Core 0: +61.0°C (high = +95.0°C, crit = +105.0°C)
Core 2: +66.0°C (high = +95.0°C, crit = +105.0°C)


I used to get this much heat on Windows whenever I spent an hour or more playinga game like Crysis or Assassin's Creed.
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Re: HP 3123TX Heating issue

Postby bobafetthotmail on Fri Dec 13, 2013 7:52 pm

You sure you disabled the ATI card? I think the culprit could be the ATI card. More appropriately the driver and kernel controlling it sucking at power management.

I would personally update to latest kernel and do what I posted here (needs a kernel above 3.11, and Mint 15 does not have it unless you manually update). viewtopic.php?f=49&t=152768
here for manual kernel update http://ubuntuhandbook.org/index.php/201 ... ntu-linux/
(it will give you errors but as long as it says it wrote the logs in virtualbox folders you are ok as that's virtualbox guest additions, that are useless on a physical computer)
Another article talking about the new power management features in the 3.12 kernels http://www.omgubuntu.co.uk/2013/11/linu ... u-features

Another possibility (less likely to work imho) could be to try with the proprietary Catalyst driver, but check if your card is in its compatibility list first.
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Re: HP 3123TX Heating issue

Postby hari.mohan.106 on Sat Dec 14, 2013 9:27 am

bobafetthotmail wrote:You sure you disabled the ATI card? I think the culprit could be the ATI card. More appropriately the driver and kernel controlling it sucking at power management.

I would personally update to latest kernel and do what I posted here (needs a kernel above 3.11, and Mint 15 does not have it unless you manually update). viewtopic.php?f=49&t=152768
here for manual kernel update http://ubuntuhandbook.org/index.php/201 ... ntu-linux/
(it will give you errors but as long as it says it wrote the logs in virtualbox folders you are ok as that's virtualbox guest additions, that are useless on a physical computer)
Another article talking about the new power management features in the 3.12 kernels http://www.omgubuntu.co.uk/2013/11/linu ... u-features

Another possibility (less likely to work imho) could be to try with the proprietary Catalyst driver, but check if your card is in its compatibility list first.


I tried the above. Got the kernel installed and running. Also modified the grub file and added the line specified in that post. After restart it's still pretty much the same. But I did notice a change in the output of "sensors" command(not in the temperature!); the last four lines which were previously there(about Core temperatures) are missing now:
acpitz-virtual-0
Adapter: Virtual device
temp1: +66.0°C

radeon-pci-0100
Adapter: PCI adapter
temp1: +60.5°C


Also this is the output of "inxi -G":
Graphics: Card-1: Intel Core Processor Integrated Graphics Controller
Card-2: Advanced Micro Devices [AMD/ATI] Madison [Mobility Radeon HD 5650/5750 / 6530M/6550M]
X.Org: 1.13.3 drivers: ati,radeon (unloaded: fbdev,vesa) FAILED: intel Resolution: 1366x768@59.6hz, 1366x768@59.6hz
GLX Renderer: Mesa DRI Intel Ironlake Mobile GLX Version: 2.1 Mesa 9.1.7


I noticed "FAILED" next to Intel driver, which means something's wrong with Intel driver. But at the same time, the output of
"cat /sys/kernel/debug/vgaswitcheroo/switch" gives me the following:
0:IGD:+:Pwr:0000:00:02.0
1:DIS: :Pwr:0000:01:00.0
2:DIS-Audio: :Pwr:0000:01:00.1


I assume "+" symbol after "IGD:" means Integrated Chip is enabled.
This is a conflict to the previous output. I am all the more confused.

P.S. I tried the Catalyst driver and yes, it's unsupported so I had to remove it.
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Re: HP 3123TX Heating issue

Postby hari.mohan.106 on Sun Dec 15, 2013 11:35 am

UPDATE:

I installed Mate Desktop Environment and battery life has improved significantly.
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Re: HP 3123TX Heating issue

Postby jungle_boy on Mon Dec 16, 2013 1:39 pm

hari.mohan.106 wrote:... But at the same time, the output of
"cat /sys/kernel/debug/vgaswitcheroo/switch" gives me the following:
0:IGD:+:Pwr:0000:00:02.0
1:DIS: : Pwr:0000:01:00.0
2:DIS-Audio: : Pwr:0000:01:00.1


I assume "+" symbol after "IGD:" means Integrated Chip is enabled.
This is a conflict to the previous output. I am all the more confused.

P.S. I tried the Catalyst driver and yes, it's unsupported so I had to remove it.


The symbol "+" after IGD means that Integrated Graphic card is being used in these session.

The "Pwr" symbol in both lines means that both graphic cards are ON, consuming battery and overheating your laptop.

To turn-off the Discrete graphic card:
Code: Select all
sudo su
<type your password>
echo OFF > /sys/kernel/debug/vgaswitcheroo/switch


After try again:

Code: Select all
cat /sys/kernel/debug/vgaswitcheroo/switch


You will see like this:
Code: Select all
0:IGD:+:Pwr:0000:00:02.0
1:DIS: : Off:0000:01:00.0


After, again, try "sensors" command, the temperature should decrease...

I don't know if powering-off the discrete graphic card you will be without audio...
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