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Old 07-26-2012, 11:08 AM   #1
S. Chapelin
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Question firefox running hot on laptop Toshiba Satellite A-100


My laptop is running very hot and I fear for its longevity.
After googling, I am (maybe mistakenly) blaming it on firefox and its plugins.
I like firefox because it is useful and it is open source and that is important to me.
Question: Is it really Firefox?
 
Old 07-26-2012, 11:11 AM   #2
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You could try installing Google Chrome or the open source version Chromium. Chromium should be in the repositories for your distro, assuming you're running Linux with a package manager.
Then just use Chrom[e|ium] instead for a while and see whether your laptop overheats.
Can't think of a simpler way of testing it than that.
 
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Old 07-27-2012, 01:51 AM   #3
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Thanks. Should have thought of that.
I didn't know about chromium, though, and for me that makes a difference.
 
Old 07-27-2012, 01:46 PM   #4
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I've been running chromium for several hours and my laptop runs much cooler. I don't hear the fan as much.
This is sad, because I have been using Firefox for several years. It would remain open on my laptop for several days (weeks) on end as I used it extensively.
I still haven't learned to use Chromium to do all I did with Firefox. However, it ran so hot that I was afraid of shortening the lifetime of my laptop.
Were Firefox to run cooler on my laptop, I would run back to it in a minute.
 
Old 07-27-2012, 02:52 PM   #5
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It may be that Chromium just is less CPU hungry than Firefox and therefore the symptoms are not occurring in that extreme way.
I would recommend to nonetheless check the cooling system for dust and make sure that you have the usual powersaving options enabled.
 
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Old 07-28-2012, 03:43 AM   #6
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Checked the power saving settings. For some reason, I had disabled the suspend function.
I put it back on for 10 mins. I'll make it longer if necessary. Thanks.
Now to find the in hole for ventilation. The out hole is on the side because I can feel the heat, but the in hole is not as evident. Guess I'll google for it.
 
Old 07-28-2012, 04:27 AM   #7
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Just googled it. There are even youtube videos of guys completely disassembling a laptop to clean the fan.
I used to open my desktop, back when I had an AT, then XT. 386 I think. Then a pentium running Windows 95 and something like fedora core 3. Then I assembled a box from parts at the local pawn shop, an 866 mhz, I think, which I had upgraded to 3.5 ghz. But I haven't opened a box in quite a while, since I started buying new, and I specially have never opened a miniaturized laptop. Scares me. Every thing in there is so tiny and costly. (sigh!)
Guess I'll just have to renew my stock of screwdrivers and tweezers and brushes and pull up my sleeves and dive into it.
 
Old 07-29-2012, 06:01 AM   #8
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Quote:
Originally Posted by S. Chapelin View Post
Checked the power saving settings. For some reason, I had disabled the suspend function.
I put it back on for 10 mins. I'll make it longer if necessary. Thanks.
Aczually I mean things like: is the powersaving module for your CPU loaded, are you using the ondemand governor?
 
Old 07-30-2012, 04:54 AM   #9
S. Chapelin
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How would I go about finding out if the powersaving module for my CPU is loaded and if I am using the ondemand governor?
BTW, this is the first time I hear about the beasts.
 
Old 07-30-2012, 04:55 AM   #10
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How would I go about finding out if the powersaving module for my CPU is loaded and if I am using the ondemand governor?
BTW, this is the first time I hear about the beasts.
 
Old 07-30-2012, 06:28 AM   #11
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Since you have an Intel CPU
Code:
lsmod | grep cpufreq
should show the the modules acpi-cpufreq and cpufreq_ondemand.
 
Old 07-30-2012, 07:52 AM   #12
S. Chapelin
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Code:
$ lsmod | grep cpufreq
$ su
Password: 
# lsmod | grep cpufreq
# exit
exit
This is the result, both as ordinary user and as root: no result.
I am running Fedora 16.
Code:
$ uname -a
Linux portable 3.4.4-4.fc16.i686 #1 SMP Thu Jul 5 20:58:10 UTC 2012 i686 i686 i386 GNU/Linux
BTW, sorry about that double post. I don't know how that happened.
 
Old 07-30-2012, 07:57 AM   #13
TobiSGD
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Seems that the powersaving modules are not loaded. Try, as root:
Code:
modprobe acpi-cpufreq
modprobe cpufreq-ondemand
Then again have a look at the temperatures.
 
Old 07-30-2012, 11:01 AM   #14
S. Chapelin
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Quote:
Originally Posted by TobiSGD View Post
Seems that the powersaving modules are not loaded. Try, as root:
Code:
modprobe acpi-cpufreq
modprobe cpufreq-ondemand
Then again have a look at the temperatures.
lm_sensors gives the following:
$ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1: +56.0C (crit = +106.0C)
temp2: +57.0C (crit = +96.0C)

coretemp-isa-0000
Adapter: ISA adapter
Core 0: +54.0C (high = +85.0C, crit = +85.0C)
Core 1: +57.0C (high = +85.0C, crit = +85.0C)
 
Old 07-31-2012, 05:04 AM   #15
dhruvats
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You could try to see which CPU frequency scaling governor is active on your system:
Quote:
#cpufreq-info
Usually, this is set to "ondemand".

If the above command indicates that no governor is available, then I think that is the problem.

---------- Post added 07-31-12 at 02:35 PM ----------

You could try to see which CPU frequency scaling governor is active on your system:
Quote:
#cpufreq-info
Usually, this is set to "ondemand".

If the above command indicates that no governor is available, then I think that is the problem.
 
  


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