Audio Output, High kernel_task CPU usage, Jumpy Mouse, Laggy/Jerky System

http://discussions.apple.com/message.jspa?messageID=8670204
http://discussions.apple.com/message.jspa?messageID=8670132
http://discussions.apple.com/message.jspa?messageID=8670131
http://discussions.apple.com/message.jspa?messageID=8670030
http://discussions.apple.com/message.jspa?messageID=8670028
http://discussions.apple.com/message.jspa?messageID=8669949
All these threads, tons of other users with the same problem, similar threads on other forums. Please, any solutions? How do you get Apple to hear something like this?

Changing the mother board is the best way to go for the simple reason that the Mac laptops are a very integrated system. Swapping out components on the motherboard would take very skilled people and they get paid large amounts of money. Apple technicians cannot do the job. Swapping out the MB is the most cost effective way.
For Apple, that motherboard is very inexpensive. The labor to swap it as a complete unit is by far the cheapest way for Apple rather than diagnosing and swapping out individual components. If you have ever done any surface mount component replacement this would not be hard to see.

Similar Messages

  • High Kernel_task CPU usage when charging

    Hey,
    When I put my adapter in my macbook to charge i have a high cpu usage(500-650%).
    When I switch back to the battery then after 10sec - 30sec my kernel_task go back to normal 2%cpu usage.
    And then when I had 1 high CPU usage my Fans of my macbook won't turn off even if i have 2% cpu usage.
    I have a early 2011 macbook pro 15" with standard Lion installed AMD Radeon 6490M version.
    I tried the 2 resets and that didnt worked tried to reinstall worked for 1 week and then it came back.
    I hope somebody can help me.

    Changing the mother board is the best way to go for the simple reason that the Mac laptops are a very integrated system. Swapping out components on the motherboard would take very skilled people and they get paid large amounts of money. Apple technicians cannot do the job. Swapping out the MB is the most cost effective way.
    For Apple, that motherboard is very inexpensive. The labor to swap it as a complete unit is by far the cheapest way for Apple rather than diagnosing and swapping out individual components. If you have ever done any surface mount component replacement this would not be hard to see.

  • High kernel_task RAM Usage in Yosemite 10.10.1

    Hello All,
    No matter what I'm running, I always have high RAM usage with kernel_task. I've looked around the other threads and never found a definitive solution. I wouldn't call it crippling to my system but I would like to resolve the issue. Below is a screenshot of my activity monitor, and my Etrecheck run. Please let me know anything I can do to reduce the RAM usage of this process.
    Problem description:
    High kernel_task RAM Usage (800MB - 1.5GB)
    EtreCheck version: 2.1.5 (108)
    Report generated December 18, 2014 at 10:49:34 PM EST
    Click the [Support] links for help with non-Apple products.
    Click the [Details] links for more information about that line.
    Click the [Adware] links for help removing adware.
    Hardware Information: ℹ️
      MacBook Pro (15-inch, Late 2011) (Verified)
      MacBook Pro - model: MacBookPro8,2
      1 2.2 GHz Intel Core i7 CPU: 4-core
      16 GB RAM Upgradeable
      BANK 0/DIMM0
      8 GB DDR3 1333 MHz ok
      BANK 1/DIMM0
      8 GB DDR3 1333 MHz ok
      Bluetooth: Old - Handoff/Airdrop2 not supported
      Wireless:  en1: 802.11 a/b/g/n
    Video Information: ℹ️
      Intel HD Graphics 3000 - VRAM: 512 MB
      Color LCD 1440 x 900
      AMD Radeon HD 6750M - VRAM: 512 MB
    System Software: ℹ️
      OS X 10.10.1 (14B25) - Uptime: 0:36:30
    Disk Information: ℹ️
      WDC WD1001X06X-00SJVT0 disk0 : (1.12 TB)
      EFI (disk0s1) <not mounted> : 210 MB
      SSD (disk0s2) / : 119.69 GB (61.10 GB free)
      Macintosh HD (disk0s3) /Volumes/Macintosh HD : 1.00 TB (529.88 GB free)
      HL-DT-ST DVDRW  GS31N 
      ST1000LM024 HN-M101MBB disk1 : (1 TB)
      disk1s1 (disk1s1) <not mounted> : 32 KB
      HD-PATU3 (disk1s3) /Volumes/HD-PATU3 : 1.00 TB (196.18 GB free)
    USB Information: ℹ️
      Apple Inc. FaceTime HD Camera (Built-in)
      Apple Inc. BRCM2070 Hub
      Apple Inc. Bluetooth USB Host Controller
      Apple Inc. Apple Internal Keyboard / Trackpad
      Apple Computer, Inc. IR Receiver
    Thunderbolt Information: ℹ️
      Apple Inc. thunderbolt_bus
      BUFFALO INC. HD-PATU3
    Configuration files: ℹ️
      /etc/hosts - Count: 15
    Gatekeeper: ℹ️
      Anywhere
    Kernel Extensions: ℹ️
      /System/Library/Extensions
      [not loaded] com.rane.driver.sixtyeight.10.6 (1.1.2f4) [Support]
      [not loaded] com.rane.driver.sixtyone.10.6 (1.0.0f1 - SDK 10.6) [Support]
      [not loaded] com.rane.driver.sixtytwo.10.6 (1.0.0f1 - SDK 10.6) [Support]
      [not loaded] com.rane.driver.sl2.10.6 (1.0.1f3) [Support]
      [not loaded] com.rane.driver.sl3.10.6 (1.3.2f6) [Support]
      [not loaded] com.rane.driver.sl4.10.6 (1.0.1f3 - SDK 10.6) [Support]
      [loaded] com.serato.usb.kext (2.3.0) [Support]
      /Volumes/Macintosh HD/Applications/MATLAB_R2015a.app
      [not loaded] com.mathworks.sldrtkrn (5.0.0 - OS X 10.8) [Support]
      /Volumes/Macintosh HD/Applications/SoundTap.app
      [not loaded] com.NCHSoftware.driver.SoundTapVirtualAudioDevice (1.0.0d1) [Support]
      /Volumes/Macintosh HD/Applications/Tunnelblick.app
      [not loaded] net.sf.tuntaposx.tap (1.0) [Support]
      [not loaded] net.sf.tuntaposx.tun (1.0) [Support]
      [not loaded] net.tunnelblick.tap (1.0) [Support]
      [not loaded] net.tunnelblick.tun (1.0) [Support]
    Launch Daemons: ℹ️
      [loaded] com.adobe.fpsaud.plist [Support]
    User Launch Agents: ℹ️
      [loaded] com.adobe.ARM.[...].plist [Support]
      [failed] com.facebook.videochat.[redacted].plist [Support]
      [invalid?] com.valvesoftware.steamclean.plist [Support]
      [loaded] net.tunnelblick.tunnelblick.LaunchAtLogin.plist [Support]
    User Login Items: ℹ️
      MacOS Folder (/Applications/Steam.app/Contents/MacOS)
      Alarm Clock ApplicationHidden (/Applications/Alarm Clock.app)
    Internet Plug-ins: ℹ️
      JavaAppletPlugin: Version: Java 8 Update 25 Check version
      o1dbrowserplugin: Version: 5.38.6.0 - SDK 10.8 [Support]
      Unity Web Player: Version: UnityPlayer version 3.5.6f4 - SDK 10.6 [Support]
      Default Browser: Version: 600 - SDK 10.10
      AdobePDFViewerNPAPI: Version: 10.1.13 [Support]
      FlashPlayer-10.6: Version: 16.0.0.235 - SDK 10.6 [Support]
      Silverlight: Version: 5.1.20513.0 - SDK 10.6 [Support]
      Flash Player: Version: 16.0.0.235 - SDK 10.6 [Support]
      QuickTime Plugin: Version: 7.7.3
      googletalkbrowserplugin: Version: 5.38.6.0 - SDK 10.8 [Support]
      SharePointBrowserPlugin: Version: 14.4.6 - SDK 10.6 [Support]
      AdobePDFViewer: Version: 10.1.13 [Support]
      DirectorShockwave: Version: 11.6.6r636 [Support]
    Audio Plug-ins: ℹ️
      DVCPROHDAudio: Version: 1.3.2
      SeratoVirtualAudioPlugIn: Version: 1.0.11 [Support]
      Hear: Version: 1.1.1 - SDK 10.5 [Support]
    3rd Party Preference Panes: ℹ️
      Flash Player  [Support]
      Java  [Support]
      SIXTY-EIGHT Audio Control Panel  [Support]
      SL 2 Audio Control Panel  [Support]
      SL 4 Audio Control Panel  [Support]
      TimeMachineScheduler  [Support]
    Time Machine: ℹ️
      Skip System Files: NO
      Mobile backups: OFF
      Auto backup: YES
      Volumes being backed up:
      SSD: Disk size: 119.69 GB Disk used: 58.59 GB
      Destinations:
      HD-PATU3 [Local]
      Total size: 1.00 TB
      Total number of backups: 44
      Oldest backup: 2013-12-25 21:46:07 +0000
      Last backup: 2014-12-16 21:41:48 +0000
      Size of backup disk: Excellent
      Backup size 1.00 TB > (Disk size 119.69 GB X 3)
    Top Processes by CPU: ℹ️
          12% Google Chrome Canary
          1% WindowServer
          0% fontd
          0% hidd
          0% GoogleTalkPlugin
    Top Processes by Memory: ℹ️
      275 MB Google Chrome Canary
      241 MB iTunes
      172 MB mds_stores
      155 MB Finder
      134 MB Google Chrome Helper
    Virtual Memory Information: ℹ️
      10.95 GB Free RAM
      3.59 GB Active RAM
      777 MB Inactive RAM
      1.85 GB Wired RAM
      2.81 GB Page-ins
      0 B Page-outs
    Diagnostics Information: ℹ️
      Dec 18, 2014, 10:13:38 PM Self test - passed
      Dec 18, 2014, 10:05:52 PM /Library/Logs/DiagnosticReports/backupd_2014-12-18-220552_[redacted].cpu_resour ce.diag [Details]

    The kernel_task memory usage is normal.

  • How to troubleshooting high sys cpu usage ???

    how to troubleshooting high sys cpu usage ???

    Hi,I have post the top 5 event above.
    before tuning:
    SQL ordered by Gets
    •     Resources reported for PL/SQL code includes the resources used by all SQL statements called by the code.
    •     Total Buffer Gets: 4,348,081
    •     Captured SQL account for 73.3% of Total
    Buffer Gets      Executions      Gets per Exec      %Total     CPU Time (s)     Elapsed Time (s)     SQL Id     SQL Module     SQL Text
    1,768,970     2,593     682.21     40.68     32.47     1375.28     a2vm9mf99ma3p
           select
    712,504     2,883     247.14     16.39     13.14     83.85     66vrg3gz2stvf
           select
    130,928     7,901     16.57     3.01     7.83     10.49     ctnn0bpfd3v5k
           select
    92,800     2,902     31.98     2.13     2.73     6.40     2985xzq8x547u
           select
    81,498     27,159     3.00     1.87     3.12     3.98     1prkhshjp25sc
           select
    60,513     2,631     23.00     1.39     2.29     5.64     2d8w9016z0kug
           select
    55,416     15,835     3.50     1.27     2.12     2.39     8tk22zsappg9m
           select
    44,879     15,838     2.83     1.03     1.74     1.89     c6sjzyfh9jmz0
           select
    31,677     10,558     3.00     0.73     1.15     1.24     5yr7z98xmcpqz
           select
    26,346     13,172     2.00     0.61     1.31     1.47     36shs0f8kxp5z
           select after tuning:
    SQL ordered by Gets
    •     Resources reported for PL/SQL code includes the resources used by all SQL statements called by the code.
    •     Total Buffer Gets: 7,734,429
    •     Captured SQL account for 99.4% of Total
    Buffer Gets      Executions      Gets per Exec      %Total     CPU Time (s)     Elapsed Time (s)     SQL Id     SQL Module     SQL Text
    1,728,723     99,759     17.33     22.35     113.87     119.45     309a6ak09rud2
           select
    996,920     332,437     3.00     12.89     41.57     44.03     1prkhshjp25sc
           select
    964,093     199,469     4.83     12.46     32.19     33.28     8tk22zsappg9m
           select
    531,776     33,241     16.00     6.88     34.38     36.36     2985xzq8x547u
           select
    432,140     199,473     2.17     5.59     20.86     21.57     c6sjzyfh9jmz0
           select
    332,406     166,226     2.00     4.30     17.28     17.84     36shs0f8kxp5z
           select
    265,872     33,234     8.00     3.44     7.74     8.09     4a34fa9tt90wx
           select *
    232,617     33,243     7.00     3.01     7.54     7.78     53rvrd0ug5gwm
           select
    232,603     33,237     7.00     3.01     9.24     9.83     9254c5ag3z9qd
           select
    232,589     33,239     7.00     3.01     8.11     8.40     gum17w9qgrw8p
           select co
    232,547     33,246     6.99     3.01     12.56     13.21     cx8yttzjh9ftz
           select
    232,484     33,244     6.99     3.01     10.08     11.07     gbx7hs3ykpjqs
           select
    199,446     99,753     2.00     2.58     11.27     11.89     2hpja5k312kwa
           select
    199,428     33,241     6.00     2.58     9.15     9.56     2d8w9016z0kug
           select
    199,389     199,469     1.00     2.58     19.59     20.25     b9j0pb2d5cn69
           select
    133,004     33,253     4.00     1.72     17.56     18.67     a2vm9mf99ma3p
           select
    99,756     33,255     3.00     1.29     3.77     3.92     5yr7z98xmcpqz
           select
    99,747     33,258     3.00     1.29     4.58     4.70     1fnshqnqxjtqz
           select

  • High webservd cpu usage

    Hi,
    May I know what factors will effect the webservd process? I observed that cpu usage for webservd are very high-97%
    root prstat
    PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWP
    16294 root 3695M 3643M cpu12 1 0 9220:35:0 97% webservd/870
    937 root 38M 33M run 11 0 4308:42:4 2.3% se.sparcv9/1
    4522 mailsrv 163M 93M sleep 49 0 1:10:48 0.4% mshttpd/10
    5329 root 4880K 4872K cpu7 49 0 0:00:00 0.0% prstat/1
    184 root 8352K 7432K sleep 59 0 2:53:01 0.0% nscd/51
    May I know is there any reason will cause this?
    FYI,
    root ./imsimta version
    Sun Java(tm) System Messaging Server 6.2-8.04 (built Feb 28 2007)
    libimta.so 6.2-8.04 (built 19:28:07, Feb 28 2007)
    SunOS webmail4.tm.net.my 5.10 Generic_118833-24 sun4v sparc SUNW,Sun-Fire-T200
    root
    Thanks

    Hi,
    As Jay already said, you can try the latest UWC patches (since you didn't tell us what you are currently running its hard to say if this will help) and if that doesn't work then get Sun PS to help you out (performance tuning is outside the support contract scope).
    Performance tuning of your system is way beyond this forum. Given that this appears to be system 4 though (based on the the hostname) I would say that is this system is the only one with the problem there must be something different in either the load on the system, configuration of the system etc. that would explain the difference.
    It's up to you to find out what the difference is.
    Regards,
    Shane.

  • High Rogger CPU Usage

    I'm a newbie and was just wondering whether anyone has had similar issues in the past with high CPU usage on the Roggers?
    This seems to be sitting somewhere around the 91% used mark, critical at some points, and 87% at other times.
    Version used:
    Rogger: Installed on UCS 210, using a Windows 2008 Guest on VMWare 5.0
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    MS SQL 2005 (SP4)
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    Thanks in Advance.
    Stewart

    Hi,
    As Jay already said, you can try the latest UWC patches (since you didn't tell us what you are currently running its hard to say if this will help) and if that doesn't work then get Sun PS to help you out (performance tuning is outside the support contract scope).
    Performance tuning of your system is way beyond this forum. Given that this appears to be system 4 though (based on the the hostname) I would say that is this system is the only one with the problem there must be something different in either the load on the system, configuration of the system etc. that would explain the difference.
    It's up to you to find out what the difference is.
    Regards,
    Shane.

  • High Dock CPU usage

    I have an iMac which was acting very sluggish. The Dock was varying between 5 and 35% cpu usage - even with nothing but the activity monitor running.Also, the Windfowserver process had very similar usage patterns. I booted up with a safe start, and there was no difference. I then created a new administrative user account, and the problem went away on that account. However, I still would like to resolve the problem, and not just abandon my old user name and transfer everything over, as there is no reason to think the problem will not re-surface on the new account. Any insights into what may be causing this problem would be greatly appreciated.

    That was a very interesting suggestion. I deleted both the plist and the DB file associated with the Dock, but there was no change in behavior when the default set was loaded by the OS.  I went back and forth between the two accounts to verify the behavior. On both accounts the Dock CPU usage cycles between a low CPU percentage and a high CPU percentage at about a 2 second interval. On the effected account the high usage varies between single and double digits, depending if the cursor is over the Dock. In the new account I get the same readings you do, with usage at 0.0, sometimes 0.3, but never breaking 1%.
    All of the CPU percentages I am relating to you occur with only the AM active. I also tried turning  AirPort off, without any impact, and hiding the Dock, which also didn't change things - that one was a surprise.
    I appreciate your insights. I don't know what else would be user specific that could cause this problem, and still welcome any suggestions or thoughts you may have.
    Thanks

  • High SQL cpu usage?

    Just for clarification, you are talking about the alerts caused by VeeamOne, not Veeam Backup & Replication, correct?

    So I started getting warnings from Veeam about our SQL server's CPU usage. It got up to 100% at one point in the day and stayed there for 30 minutes or so.Our SQL Server specs are:4 CPU's @ 2.GHZ each I think.... 4 CPU's nonetheless.16 GB ramvirtualized on vsphere 5.1So I logged into the SQL server to see what was up (note that this has been happening for the past month or so, just hadn't had time to actually sit down and work on it, plus it didn't seem to effect the performance of our patient software too much which runs on SQL. Until this morning and it was very sluggish.)I noticed that the SQL server processes were running at 50% or more sometimes. I caught a screen shot of it when it was on it's way down. How can I trouble shoot something like this and figure out what in the hell is causing it to spike? I am not a master at SQL so...
    This topic first appeared in the Spiceworks Community

  • Hanging programs, high Finder CPU usage

    Since early October 2012, programs such as Firefox, Thunderbird and TextEdit have been repeatedly hanging (Not Responding) for a few minutes at a time. Also, Finder CPU usage sometimes surges to 80% even 100% (via Activity Monitor), but not necessarily at the same time. Wondering if these are related. Running OS 10.6.8 (with latest updates) on early 2008 3.06 GHz Core 2 Duo.
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    Hi JB,
    See if the Disk is issuing any S.M.A.R.T errors in Disk Utility...
    http://support.apple.com/kb/PH7029
    Open Activity Monitor in Applications>Utilities, select All Processes & sort on CPU%, any indications there?
    How much RAM & free space do you have also, click on the Memory & Disk Usage Tabs.
    Open Console in Utilities & see if there are any clues or repeating messages when this happens.
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    One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for problem in Safe Mode...
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    If it only does it in Regular Boot, then it could be some hardware problem like Video card, (Quartz is turned off in Safe Mode), or Airport, or some USB or Firewire device, or 3rd party add-on, Check System Preferences>Accounts>Login Items window to see if it or something relevant is listed.
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    /private/var/run/StartupItems
    /Library/StartupItems
    /System/Library/StartupItems
    /System/Library/LaunchDaemons
    /Library/LaunchDaemons

  • I have very high 100% CPU usage when I run itunes.

    Normally I don't have any problems, but now when I start iTunes it eats up my CPUs.  Any thoughts?

    I am having this same problem. When running iTunes on my macbook pro, i notice my CPU usage is hovering around 94-97% constantly. Has anyone found out why?

  • High idling CPU usage

    Hi,
    Got my Macbook a couple of weeks ago, and I'm loving it.
    However, a couple of days ago the CPU usage when idling has gone right up to an average of about 60% per core.
    I can't think of any configuration changes I have made that would have affected this, and Activity Monitor doesn't show any processess using more than about 2% (showing all processes), however the overall CPU usage meter in Activity Monitor shows about 45% CPU usage for user processes. It's causing heat issues and chewing up my battery.
    Any ideas?

    Apparently this is being caused by Windows File Sharing. Try turning it off and see if it's any better.
    PS Thanks to Natsus for pointing this out in another thread.

  • High Idle CPU Usage... Can it be remedied?

    Hey everyone, I'm having a bit of an issue with my Power Mac... I checked my CPU usage through Terminal's "top" utility, and found that my CPU is currently running anywhere from 75 - 90% at "idle". Now, I've been told that's not something that I want to have going on with the Power Mac. Any suggestions on how to get that percentage down?
    I used the Applejack utility, as was suggested in another Discussion forum here on the site, but that didn't do the trick.
    Any help would be greatly appreciated. Thanks in advance!
    -Ray
    Dual 2.3 Ghz Power Mac G5   Mac OS X (10.4.9)   2.5 GB RAM, 20-inch HD Cinema Display

    Well, before today, like you, I assumed that an "idle" CPU was exactly that; a CPU that just wasn't being used. But then, after reading up on some articles that were posted online in both the Apple Discussion Forums as well as places like MacFixIt, I started going on this wild chase to figure out what was up. Turns out that I misread the articles; the problems they had were not the "idle" percentage, but rather, the "user" percentage when their computers were idle. (Slaps hand on forehead)
    That's what happens when you act on a whim on a tech FAQ article at 6 AM, before having your morning coffee, lol.
    I guess I jumped on it because I'm getting a little paranoid about the number of pageouts I'm getting at the moment, and I'm trying to do everything I can outside of adding more RAM. Over the course of a few days, the "top" utility registers anywhere from 10,000 to 50,000 pageouts, which I know for a fact is a bad sign. On top of that, there are times that I just have one or two programs open, and over the course of a day or two, the amount of Memory I have free drops from over 1.5 GB, down to about 128 MB. (Programs are usually Safari and iTunes)
    I know that's gotta be an issue, right?
    And, to "the hatter," no, I'm not running Google Desktop. I DO have a boatload of Dashboard Widgets, though. (But not actively running at the same time)
    Once again, thanks for your help!
    -Ray
    Dual 2.3 Ghz Power Mac G5   Mac OS X (10.4.9)   2.5 GB RAM, 20-inch HD Cinema Display

  • High CPU usage with emagent.exe when system is very busy

    We have run into an issue with the emagent consuming a lot of CPU when our databases and overall systems get taxed. It does not appear that the emagent is the cause of the initial problem. But once resources start to get taxed and there is an overall slowdown in performance, the emagent starts consuming more and more CPU. Messages appear in the log indicating that it is waiting on certain actions, such as:
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    It is almost as if the longer it takes to get a response the harder it tries and the more resources it consumes. In other words, it is making a bad situation worse. It would be nice if there were some configuration parameters that could limit the retry rate.
    Has anyone run into this issue? I have opened an SR with Oracle support a few months ago but haven't got anywhere.
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    Thanks for the info. I will pass on the SR # to see if it helps.
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    2006-08-04 09:28:56 Thread-804 WARN scheduler: oracle_database:HAT:wait_bottlenecks_9i is due to run again but is still running from last schedule
    2006-08-04 09:29:05 Thread-804 WARN scheduler: oracle_database:H75:wait_bottlenecks_9i is due to run again but is still running from last schedule
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