T420s: Conexant Audio Message Service consumes a lot of CPU time in Windows 8

Hi,
I have here two models of T420s running Windows 7 and Windows 8.
The Windows 7 model is quiet and the Service Needs no cpu time during idle.
The Windows 8 model is noisy (the fan is Spinning) and the Conexant Audio Message Service (Version 1.6.0.0) is consuming 30% of cpu during idle.
Any suggestions?
Solved!
Go to Solution.

Pretty sure you can just disable the service. I did on my W520 with no ill effects.
W520: i7-2720QM, Q2000M at 1080/688/1376, 21GB RAM, 500GB + 750GB HDD, FHD screen
X61T: L7500, 3GB RAM, 500GB HDD, XGA screen, Ultrabase
Y3P: 5Y70, 8GB RAM, 256GB SSD, QHD+ screen

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http://john-goodwin.blogspot.com/

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http://john-goodwin.blogspot.com/

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EDIT (2014.05.28):
I looked in the following wiki pages, but couldn't find anything about this issue:
https://wiki.archlinux.org/index.php/Br … leshooting
https://wiki.archlinux.org/index.php/Dhcpcd
https://wiki.archlinux.org/index.php/Ne … figuration
https://wiki.archlinux.org/index.php/Netctl
I couldn't find anything about dhcpcd and cpu usage in the forums, and searching the web didn't provide any relevant results. Which is bad, since anatolik found this:
https://bugs.archlinux.org/task/39512
which I didn't.
Last edited by mgmillani (2014-05-28 11:07:02)

ondoho wrote:Have you tried connecting to the network manually, then pressing the switch?
If I turn the switch on after turning it off, I must connect manually using netctl (that is, netctl-auto doesn't connect automatically in this case). After doing that, turning the switch back off does not cause the problem. Which is weird, since the process is still there, like before
I also noticed that it is no longer possible to use netctl-auto after turning the switch off, as it no longer see any configuration (running `netctl-auto list` as root returns nothing, while before it returned 2 items).
ondoho wrote:how did you install and activate wireless
I basically followed this wiki page:
https://wiki.archlinux.org/index.php/Ne … f_profiles
I first generated the profiles with wifi-menu and by copying /etc/netctl/examples/ethernet-dhcp, and then activated netctl-auto using
# systemctl enable [email protected]
# systemctl enable [email protected]
ondoho wrote:wht is your (wireless) hardware
My wireless hardware (according to lspci) is:
0d:00.0 Network controller: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter (rev 01)
ondoho wrote:once you know these things, search the wiki, the forums, the web.
[ in case you have done this already please include it in your first post, otherwise we must assume you didn't. ]
Included in the first post now.
anatolik wrote:I suspect you see this bug https://bugs.archlinux.org/task/39512
Yes, it looks very similar. It is said there that the problem should be fixed since 2014-04-01 11:48:57, but I just checked for updates with pacman and I already have the most recent version (6.3.2). I will see if I can add any relevant information to that page.
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On a read error, remove the FD from eloop. This shouldn't happen really

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Thank you. SwingWorker is my long time favorite. I am using it since its first release. I also would recommend it to anybody.
I ran a profile on the program with -Xprof flag.
Honestly, I am not good at interpreting it. If anybody happens to see anything of value, please point out.
==========================profile(partial)=============================
Flat profile of 1.18 secs (116 total ticks): Thread-6
Interpreted + native MethodClient 06956716 is disconnecting
Reservation records for client: 06956716
Record 21: 5 reserved
Connection to client 06956716 was terminated
50.0% 0 + 2 java.awt.EventQueue.postEventPrivate
25.0% 0 + 1 java.awt.EventQueue.invokeLater
75.0% 0 + 3 Total interpreted
Thread-local ticks:
96.6% 112 Blocked (of total)
25.0% 1 Unknown: thread_state
Flat profile of 60.74 secs (4251 total ticks): AWT-Windows
Interpreted + native Method
99.5% 0 + 4224 sun.awt.windows.WToolkit.eventLoop
0.1% 2 + 2 sun.awt.PostEventQueue.postEvent
0.0% 2 + 0 java.awt.event.MouseEvent.<init>
0.0% 2 + 0 sun.awt.SunToolkit.targetToAppContext
0.0% 2 + 0 java.awt.AWTEvent.<init>
0.0% 0 + 1 sun.awt.windows.WToolkit.init
0.0% 0 + 1 java.lang.Object.notifyAll
0.0% 1 + 0 java.awt.event.KeyEvent.<init>
0.0% 0 + 1 java.lang.Object.hashCode
0.0% 1 + 0 java.lang.Terminator$1.<init>
0.0% 0 + 1 sun.awt.windows.WToolkit.run
0.0% 1 + 0 java.util.HashMap.get
99.9% 11 + 4230 Total interpreted
Thread-local ticks:
0.2% 7 Blocked (of total)
0.0% 2 Interpreter
0.0% 1 Unknown: running frame
Flat profile of 0.08 secs (8 total ticks): Thread-0
Interpreted + native Method
87.5% 0 + 7 sun.awt.windows.WToolkit.shutdown
87.5% 0 + 7 Total interpreted
Thread-local ticks:
12.5% 1 Unknown: thread_state
Flat profile of 11.60 secs (1140 total ticks): RMI ConnectionExpiration-[127.0.
.1:3092]
Thread-local ticks:
99.5% 1134 Blocked (of total)
100.0% 6 Unknown: thread_state
Flat profile of 26.07 secs (2555 total ticks): Thread-5
Thread-local ticks:
99.9% 2553 Blocked (of total)
100.0% 2 Unknown: thread_state
Flat profile of 26.48 secs (2591 total ticks): Logger #5393983
Thread-local ticks:
99.9% 2589 Blocked (of total)
100.0% 2 Unknown: thread_state
Flat profile of 26.63 secs (2604 total ticks): RMI LeaseChecker
Thread-local ticks:
100.0% 2603 Blocked (of total)
100.0% 1 Unknown: thread_state
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Interpreted + native Method
97.5% 0 + 2534 java.net.SocketInputStream.socketRead
0.5% 0 + 12 java.net.SocketOutputStream.socketWrite
0.2% 0 + 5 java.lang.Class.getConstructor0
0.2% 0 + 4 java.io.Win32FileSystem.getBooleanAttributes
0.1% 0 + 3 pushkinserver.DatabaseManager.openDatabase
0.1% 0 + 3 java.io.FileOutputStream.writeBytes
0.1% 0 + 2 java.io.Win32FileSystem.getLength
0.1% 0 + 2 java.lang.Class.forName0
0.1% 2 + 0 java.text.DecimalFormat.format
0.1% 0 + 2 java.lang.Class.newInstance0
0.0% 0 + 1 java.io.FileInputStream.readBytes
0.0% 0 + 1 java.lang.Class.getMethod0
0.0% 1 + 0 java.lang.Exception.<init>
0.0% 0 + 1 java.lang.ClassLoader.defineClass0
0.0% 1 + 0 sun.misc.URLClassPath$6.getContentLength
0.0% 0 + 1 sun.misc.URLClassPath$6.getInputStream
0.0% 1 + 0 java.lang.ref.SoftReference.get
0.0% 0 + 1 java.beans.VetoableChangeSupport.addVetoableChangeList
ner
0.0% 0 + 1 java.io.ObjectStreamClass.getFieldIDs
0.0% 0 + 1 suncertify.db.LocalizedMessage.getResourceString
0.0% 1 + 0 java.text.MessageFormat.<init>
0.0% 0 + 1 java.io.BufferedWriter.<init>
0.0% 0 + 1 concurrent.LockManager.<init>
0.0% 0 + 1 java.lang.ClassLoader.findBootstrapClass
0.0% 0 + 1 pushkinserver.db.DataInMemory.initLockManagers
99.9% 16 + 2581 Total interpreted (including elided)
Compiled + native Method
0.1% 2 + 0 sun.security.provider.SHA.computeBlock
0.1% 2 + 0 Total compiled
Thread-local ticks:
0.2% 5 Blocked (of total)
0.0% 1 Class loader
Flat profile of 56.66 secs (3853 total ticks): Screen Updater
Interpreted + native Method
100.0% 0 + 24 sun.awt.PostEventQueue.postEvent
100.0% 0 + 24 Total interpreted
Thread-local ticks:
99.4% 3829 Blocked (of total)
Flat profile of 59.46 secs (4132 total ticks): Thread-2
Thread-local ticks:
100.0% 4132 Blocked (of total)
Flat profile of 60.96 secs (4272 total ticks): EventQueueMonitor-ComponentEvtDi
patch
Interpreted + native Method
18.2% 1 + 1 com.sun.java.accessibility.util.ComponentEvtDispatchTh
ead.run
18.2% 2 + 0 com.sun.java.accessibility.util.EventQueueMonitor.upda
eCurrentMousePosition
18.2% 0 + 2 sun.awt.windows.WComponentPeer.getLocationOnScreen
9.1% 1 + 0 java.awt.Component.getNativeContainer
9.1% 0 + 1 java.awt.Component.getLocationOnScreen
9.1% 0 + 1 java.lang.Object.wait
81.8% 4 + 5 Total interpreted
Thread-local ticks:
99.7% 4261 Blocked (of total)
9.1% 1 Interpreter
9.1% 1 Unknown: thread_state
Flat profile of 61.01 secs (4278 total ticks): SunToolkit.PostEventQueue-0
Interpreted + native Method
47.1% 0 + 33 java.lang.Object.wait
28.6% 3 + 17 java.awt.EventQueue.postEventPrivate
7.1% 4 + 1 sun.awt.PostEventQueue.run
2.9% 0 + 2 java.awt.EventQueue.postEvent
1.4% 1 + 0 java.awt.Toolkit.getDefaultToolkit
1.4% 1 + 0 java.awt.EventQueueItem.<init>
1.4% 1 + 0 sun.awt.SunToolkit.flushPendingEvents
1.4% 1 + 0 sun.awt.PostEventQueue.flush
91.4% 11 + 53 Total interpreted
Stub + native Method
2.9% 0 + 2 java.lang.Object.notifyAll
1.4% 0 + 1 java.lang.Thread.currentThread
4.3% 0 + 3 Total stub
Thread-local ticks:
98.4% 4208 Blocked (of total)
2.9% 2 Unknown: running frame
1.4% 1 Unknown: thread_state
Global summary of 61.38 seconds:
100.0% 6045 Received ticks
2.7% 163 Received GC ticks
6.3% 380 Compilation
0.1% 9 Other VM operations
0.5% 30 Class loader
0.1% 4 Interpreter
0.4% 27 Unknown code

Kernel_task consumes a lot of CPU

Hello!
I have MacBook Pro 5,5 with Mac OS 10.6.8.
It always slows down during charging and periodically when it works on a battery.
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Fixing kernel_task overloding your computer!!!
Use this at your own risk. It worked for me.
Basic Procedure:
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2- Click in "More Info".
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bcctr

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