Mac OS 10.8 Temp and CPU spikes

I'm having a strange problem where any random program I have open will suddenly jump to 100% + CPU in activity monitor making the CPU temps jump from ~55C to 80 or 90C. This is really annoying as I have to close the affected program and reopen it when this happens. It seems to happen completely randomly. I first noticed this problem while running the Bitcoin-qt client however, while downloading blocks it took up a reported 700% CPU.
Any assistance would be great.
Thank you!
SPECS:
MacBook Late 2011, 15-inch, Late 2011 Processor
2.2 GHz Intel Core i7 Memory
16 GB 1333 MHz DDR3 Graphics
AMD Radeon HD 6750M 512 MB Software
OS X 10.8.4 (12E55)

Open the archive with Pacifist, copy the executable bundle to /Applications.

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Hi. I have a few (probably Creative-related) issues that bother me, but hopefully solving one will make the other go away. If not, I'll post it in a separate thread.
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Since you are using Rhapsody To Go then you need to have the PlaysForSure firmware on the player. The PlaysForSure firmware changes the player so that it doesn't use the Creative Drivers to recognize itself on the computer, but rather a Microsoft supplied driver which is included in Windows Media Player 0.
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Hi ,
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Salman,
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hi, i own a hp dv3t 2000 which is just about six months old. Since around a month ago I have been experiencing increasing fan noise and cpu spikes (100% cpu usage when really i'm not doing much at all)
i looked into this issue online and learned that it may be a airflow problem, so i wanted to take a look inside.
here's my frustration - i cannot take out the case because the screws are put in really tight and stripped, making it impossible to unscrew them. after 2 hours of intensive labor trying to unscrew my **bleep** laptop, i am so frustrated and angry that hp cannot bother to use a decent set of screws in their products.
i wonder if hp will take it in and have it fixed with the one year warranty on the product.

hi, i own a hp dv3t 2000 which is just about six months old. Since around a month ago I have been experiencing increasing fan noise and cpu spikes (100% cpu usage when really i'm not doing much at all)
i looked into this issue online and learned that it may be a airflow problem, so i wanted to take a look inside.
here's my frustration - i cannot take out the case because the screws are put in really tight and stripped, making it impossible to unscrew them. after 2 hours of intensive labor trying to unscrew my **bleep** laptop, i am so frustrated and angry that hp cannot bother to use a decent set of screws in their products.
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Similar issues here with scrolling and cpu spike (with accompanying extreme heat spikes) on early 2007 15 inch MBP and Lion.
Question 1: what cost and process are involved in upgrading my GPU? Currently using the factory-installed ATI Radeon X1600 128MB along with 2.16 GHz Intel Core 2 Duo. What would fix this at an extreme price-point?
Question 2: not being very tech savvy myself, what could Apple do (in theory and practice) to address this? Seems to me this is a clumsy enough and common enough problem that Apple really ought to be smart about it and address it. But first discussion boards about it appear in early/mid 2011 from what I've seen, so what's up? I do not expect to be able to move my old 2007 MBP into Mountain Lion (some frustration, but fair enough - things move on, and five years is not unreasonable), but I do think it is in Apple's best interest to at least keep older models cooperating with Lion as this greatly increases workflow efficiency with newer Mountain Lion systems. I was seriously on the fence about going back to PC - a stupid problem like this will affect my decisions in future.
I'm not running any particularly demanding programs (at least not from my perspective) - just MS Office, Safari or Firefox, Mail, etc... I have intentionally cleaned out the HD and reduced the program load - hoping to keep the laptop going as a basic desktop workstation for word processing etc... and have an efficient workflow with Lion and my new, 13 inch MBP.
A fix with more customizable options for scrolling and such seems to me (no computer programing expertise) like it could be appropriate here - there is already the option to turn off smooth scroll or whatever, right? Why not add a few other options to make scrolling less demanding on the CPU for slightly older models?

GPU/CPU Temps and Graphics Performance Questions

I am also experiencing some similar oddities with my 15in UMBP. As background on my setup I am running 10.5.7 (the problem began before the update) and I work in an air-conditioned office with a cooling pad for my frequently "toasty" MBP. I have noticed that my temps are significantly higher while running on the NVIDIA 9600M GT vs. the 9400M, and also I use iStat to monitor my system.
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I used istat pro to get the temperatures and fan speeds. You can download it free here:
http://www.apple.com/downloads/dashboard/status/istatpro.html
I turned it on a few hours ago and the temperature of one of the cores reached 70 degrees C and the fan speeds all went up to around 3000 rpm. I'm just going to leave it off for now and take it in to get serviced. Only problem is I have to make an appointment and who knows how long it will take to get it in. Hope it works out for you.
Kyle

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Hi There,
I have MBA 13'' Mid 2011.
I'm little bit concerened about Temp of my CPU which is 96°C, and Fan speed is around 6500rpm.
I can hear my fan all the time.
It was not like this always and i'm kind of sure that something is causing this.
I worked before with lots of apps open (itunes, photoshop, text editor, chrom, mail, parallels..) and fan and temp was not this high.
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First execute a SMC reset:
http://support.apple.com/kb/HT3964
If no change, install istat menus.
http://bjango.com/mac/istatmenus/
Open Activity Monitor to ALL PROCESSES and CPU. Make certain that CPU displays values from high to low.
Post images of both istat menus and Activity Monitor whe the MBA has heated up.
Ciao.

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Hello,
I just got a new 8-core Mac Pro with 16Gb of RAM. And updated to Logic 9. And Snow Leopard.
Now logic is giving me the "System overload - could not process data etc" -dialog constantly. From the system performance window I see huge CPU spikes wich cause this dialog when reaching overload at the top. These happen, however, in a spot where there can be just one audio track playing. So it´s not a matter of having a hundred Space Designers happening simultaneously.
Is there something in the preferences I´m missing?
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Has to be Logic. In 10.5.8 I have a sample track with add. drums and omnisphere. It show 2-3 dots on CPU, logic 9 then in snow , spikes all the way to pops cracks and 100% so it's logic not optimized for snow as it works fine in 10.5.8. I daw this a lot in cubase sx and nuendo and the pc. And youbknow us iverclocking types. Ha ha. We learn howto turn off everything for great audio performance so hopefully apple will address this. Could also be the plug in nit snow ready too butbam leaning more toward core audio having a glitch.
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So I have a MBP intle core i5 2.5GHz with 4 GB of ram, I thinkits either a 2008 model or 2010, I bought it new in 2010.
It has always gotten pretty hot, but thats what MBPs are supposed to do, I get it, but lately I have been testing temps and RPM with istat pro and rmcfancontrol and I think there may be a problem.
my temps all seem fine exceptmy CPU temp, which is regularly above 70 degrees. when doing semi extensive things like watching videos, streaming netflix or menial photoshop tasks, it is generally 80-85, with the fans around 3.5k RPM to 5K RPM. If I plug in my new 21 inch monitor (1920x1028 resolution) and play online poker, watch videos, or any design tasks involving adobe programs, ive seen it jump as high as 94 degrees, and im sure RPM atleast 6k, these may both go even higher as I have not tested the max yet.
this is usually when I have say an online poker lobby with tables going, a tracking software db running, skype on and firefox on. one question I have is, will tthere be less strain on the cpu if I drop the resolution of my new monitor? I dont want to drop it past 1600x1000 (not sure of the exact dimensions) because then it is defeating the purpose of why I bought a new larger screen with a high res.
second, I already run a desk sized fan on my MBP while it sits on an elevated pad (0.25 in approx) with 2 build in fans, left and right. The cpu is located just above the ESC button and that is where the heat is obviously centered so i place my cooling efforts as much as I can on that area.
my next question is, with fancontrol, how high can i force the fans to run and for how long while doing these kind of tasks on dual monitors? Can I set the left side fan to run at 5-6k as a default when playing a session of online poker (this is my part time job so its an important question) while leaving the right fan at 2k? or would it be better to keep them balanced? how long can they run at high rpm before it could cause problems? how long can my mbp run at constant temps of 80-95 degrees before it is dangerous for it? like I said it is mostly common for it to be between 75-85 at most times.
and last but not least, could this be a defect that it runs at such high temps? could it be my fans that are just plugged up and need a cleaning or replacing?
all suggestions are welcome, thank you

LampmanBrad wrote:
one question I have is, will tthere be less strain on the cpu if I drop the resolution of my new monitor? I dont want to drop it past 1600x1000 (not sure of the exact dimensions) because then it is defeating the purpose of why I bought a new larger screen with a high res.
Of course. A smaller resolution will require less performance to your dedicated graphic card. Note that your Mac has got two graphic cards (an Intel card and a NVIDIA GeForce one), and your computer switches to the dedicated graphic when it requires more graphic performance.
LampmanBrad wrote:
my next question is, with fancontrol, how high can i force the fans to run and for how long while doing these kind of tasks on dual monitors? Can I set the left side fan to run at 5-6k as a default when playing a session of online poker (this is my part time job so its an important question) while leaving the right fan at 2k? or would it be better to keep them balanced? how long can they run at high rpm before it could cause problems? how long can my mbp run at constant temps of 80-95 degrees before it is dangerous for it? like I said it is mostly common for it to be between 75-85 at most times.
We don't recommend smcFanControl because your Mac knows what's the correct fan speed and because this application modifies the SMC.
It's not good that your fans run at maximum speed for a long time (5000 rpm is too high). Now, the best you can do is to reset the SMC > http://support.apple.com/kb/HT3964 If you have problems with the fan speed, this should solve the problem.
LampmanBrad wrote:
and last but not least, could this be a defect that it runs at such high temps? could it be my fans that are just plugged up and need a cleaning or replacing?
If the SMC reset doesn't work, I suspect two things: the first, that you have a hardware problem, and the second, that there's a process eating CPU and memory when you are using the computer, because those temperatures are not normal. Also, at that fan speed, they may fail

USB/FireWire usage increases CPU temp and fan speed

Hi,
I'm curious, does the usage of USB and FireWire ports increase CPU temperature and fan speed...?
I have an M-Audio Fast Track USB interface plugged in and whenever I play any songs from iTunes using that interface as an output, my CPU temp increased and fan speed jumped from 2000 to 3300 rpm. And on separate occasion, an 8GB of file transfer from an external FireWire-based HDD had both fans speed up to 4,400 rpm.
Is this normal...? All these were done with an external display plugged onto the MBP with "clamshell" mode.

USB operations involves quite a bit of CPU action, Elphidieus.
Firewire places less demand on the CPU but, in a situation like the one you describe can involve both increases in power usage and in HD temperatures.
The fan speeds on Macs are not simply responsive to CPU usage. Both HD temps and power usage can also play a part in the equation that ultimately produces the fan speed. As HDs have much lower heat tolerance than CPUs you will find that it is quite common to see the fans ramp up when doing a large file transfer over FW (or USB, for that matter) , especially if the internal HD temp gets to over about 50-55º Celsius.
Cheers
Rod

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I'm using Mac OSX 10.5.4.
When I try to use Memory profile and CPU profile, I got following error:
Error occurred during initialization of VM
Could not find agent library in absolute path: /Shared/jdevstudiobase1111/jdev/lib/profiler15.so
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My MAC version is OSX 10.5.4.
I don't have a stacktrace. It just fails silently.
You can easily reproduce this bug by reformat a readonly file.
Here is the code I reverse engineered from oracle.jdeveloper.refactoring.util.Util.java:
public static boolean setReadOnly(java.net.URL url, boolean readOnly)
boolean ret = false;
java.lang.String cmdarray[] = null;
java.lang.String platformPathName = oracle.ide.net.URLFileSystem.getPlatformPathName(url);
java.lang.String osName = java.lang.System.getProperty("os.name", "");
if(osName.startsWith("Windows"))
cmdarray = (new java.lang.String[] {
"ATTRIB", readOnly ? "+R" : "-R", (new StringBuilder()).append('"').append(platformPathName).append('"').toString()
else
if(platformPathName.equalsIgnoreCase("Linux"))
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"chmod", readOnly ? "u-w" : "u+w", (new StringBuilder()).append('"').append(platformPathName).append('"').toString()
if(cmdarray != null)
java.lang.Runtime runtime = java.lang.Runtime.getRuntime();
try
java.lang.Process process = runtime.exec(cmdarray);
if(process.waitFor() == 0)
ret = (new File(platformPathName)).canWrite();
if(ret)
oracle.ide.model.Node node = oracle.ide.model.NodeFactory.find(url);
if(node instanceof oracle.ide.model.TextNode)
oracle.ide.model.TextNode textNode = (oracle.ide.model.TextNode)node;
textNode.isReadOnly();
catch(java.io.IOException e)
e.printStackTrace();
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Weired voltage cpu temp and fan speed readings

Built this system last week when i install core center I get no 3.3 v readings. cpu temp plays between 18c to 60c and the fan speed from 800 t0 6000rpm. Check in the bios all voltage readings are fine but cpu temp and fan readins can be way off. Also installed lastest versions of mbm and get the same results. Flashed bios to latest version also. Cool and quiet is not activated. Weired thing everything runs fine. motherboard k8t neo2 cpu amd 64 3500 memory corsair 3200LL 1024 video card BFG 6800gt sound Audigy 2 hard drive WD 120 sata liteon dvd rom and cd-r power supply Antec 480watt neo power Everything is at stock speeds with all latest drivers and xp sp2. Don't know what can be the problem. Please help not the first systeme I have built but first time I encounter this problem. Tried 3 different psu for testing and get the same result.

Well sorry to say I solved the problem for good. Contacted MSI support. Only answer I got was Maybe the board was bad. Got it exchanged from the store and got an Asus av8 deluxe rev.2 instead. Everything runs fine. It was my first MSI board and sad to say it gave me a lot of headaches and configeration problems. The new setup ran great on the first try. Don't think I will buy MSI again in the near future.

AGP Aperture size??? and CPU temp???

1. i have changed the Aperture size to 128Mb (instead of 64) and every time i enter a game, after at least 20 minutes (sometimes less) it kicks me out back to windows.
when i played generals it told me that i might have had a hardware malfunction... which is weird cause i have a new computer.
when i returned the aperture size back to 64, it worked fine, only slower... any ideas...?
2. my CPU reached some interesting tempretures, and i have a lot of airflow... the question is this, when i'm not running any porgram (IDLE time) my cpu sits at around 43 degrees, when i do run stuff (like games, or graphic progs) my CPU rises up to 58, and i even reached 62 once...
is this logical? shouldn't P4 CPU's be cooler then AMD's? how can i force a change on the CPU cooler to work faster (when i change it through Core center the max i get is 4500rpm), can i make it higher?
thanx in advance, EagleIL.

OK,
I have just finished assembling my 865PE monster. I must say, MSI is consistent, the only issue I have seen with them is 2 things:
1. They will never learn to measure CPU temperature correctly.
2. Bios updates never seem to improve things much, or can be a disaster.
Other than that, I checked my temps, and with a side fan and a rear fan and a blower (pci slot turbo blower) out, I had 26-28 deg C at startup (cold iron). My CPU temp was 48 deg C which is physically impossible, and the reported case temp was 38 deg C in the bios but 28 deg c on my independent temp system.
I rearranged everything with side out and reversed one of the rears to blow in, and I have a steady 22-23 deg c after 6 hours. The CPU still reads 48 deg c and climbes to 50-52 under load. The reported case temp is still 38 deg c and climbs 1-2 deg. So I do not believe the temp readings.
I also do not believe all the hogwash about the CPU coolers. The stock Intel cooler has always worked fine for me, and I remember a report that said it was one of the best, in a test against a bunch of them a year or so back. There is good reason for this (I work for Intel, so I know it is not made up): They package the cooler with thier retail chips and also provide them to OEMs. They have to take all the measures possible to ensure the CPU survives the 3 year warranty and the only thing (99%) that will kill a CPU is heat. The heat removal rate of the stock heat sink is sufficient to overcome even the extra heat from OC'ing for the most part, as they test it for that. I believe the rates are posted on the website.
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Good luck. I thought this board would be a nightmare, but it has performed flawlessly with XP Pro, 2.6C, 512 meg ram (CL3!!!)(Elixer), and a Radeon 9000 Pro. I loaded Office XP Pro/Frontpage/Adobe and ran all three with no issues at the same time.
Sometimes its like ::

MOVED: question regarding CPU temps and latest bios (1.8)

This topic has been moved to AMD64 nVidia Based board.
question regarding CPU temps and latest bios (1.8)

I'd believe the first bios's temps more than the second...
However what temps are given when using speed fan and/or everest? (in windows)

Mac OS 10.8 Temp and CPU spikes

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