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Thread: Working with kernel task on the new macbook air

  1. #1
    Join Date
    Apr 2010

    Working with kernel task on the new macbook air

    I had purchased my MacBook Air a small number of days ago and am extremely pleased at how well it works excluding for when it does not. In the course of utilizing the system, the entire of a sudden things determine to get extremely sluggish and the mouse and keyboard determine to barely respond. The mouse shifts intermittently and key presses take a at the same time as to demonstrate up. Opening up Activity Monitor demonstrates by means of the intention of kernel_task is taking up 50%+ of the CPU. I have comprised and endeavor to isolate several programs by means of the intention of might be doing it. Shutting down iTunes at present seemed to encompass bring kernel_task back down and the system approachable. Additional than supplementary times it does not. Is this is a recognized bug. Be able to somebody point me in the direction of a explanation. Giving the impression of being from side to side the discussion this is not unusual additional than I not be able to observe a solution anybody for the help.

  2. #2
    Join Date
    Nov 2009

    Re: Working with kernel task on the new macbook air

    I have comprised and been having the accurate similar predicament and have been testing a assortment of configurations to pinpoint what the tribulations might be. Besides "utilizing" the MBA, is there no matter which special regarding what you are doing. For illustration, are you utilizing a Bluetooth keyboard and/or mouse. Are you utilizing the USB Ethernet Adapter and/or a diminutive DVI plug going to a monitor. As a side make a note of, make sure out this query: presentation "throttle back" tribulations Brian Caslis' reaction: "Yes, it's true if it gets actually hot one core shuts off to decrease temperature."This might extremely well be what is ocurring. One core gets shut off and the system immediately does not be familiar with how to handle itself by means of a single core. That's a lame explanation, I be familiar with, additional than it does explain the issue. Even though, there has to be incredible most of them be able to do, short of purchasing a notebook cooler, by means of the intention of determine to not cause this to occur every single time most of them are doing "a lot" of work.

  3. #3
    Join Date
    Nov 2009

    Re: Working with kernel task on the new macbook air

    I am going to roll by means of my own clarification, it sounded lame at primary, additional than I imagine I be able to verbalize it superior. I am going to run by means of the speculation by means of the intention of temperature is causing this tribulations. Heavy processing be able to cause the temperature of the apparatus to rise and thus, in an endeavor to save the core(s) the MBA shuts off one of the cores. This is a customary obsession for CPUs, if a CPU gets "too" hot it be obliged to save itself commencing utter smash up and shut itself off. This, regrettably, seems to cause a vicious cycle: the conclusion off of one core forces the entire the run on the remaining core, this resources the temperature determine to not get back to customary on its own. The user is obligatory to close I/O or CPU intensive submissions, this unhurriedly brings the temperature down and permits the core by means of the intention of shut off to be turned back on.

  4. #4
    Join Date
    Jan 2009

    Re: Working with kernel task on the new macbook air

    I be able to substantiate I am utilizing an external monitor the majority of the time additional than I am on the road at the instant without one and it's tranquil occurring. I am in addition without my usual Bluetooth keyboard and mouse. I similar to the temperature speculation so I installed a piece of software by means of the objective of monitors the temperature of the CPUs at the same time as it gets high when the kernel_task procedure goes passionate, it's immediately as high at additional times when the system runs absolutely. I in addition encompass this kernel_task tribulations and it's infuriating! I imagine I have pointed down the cause to network issues.

  5. #5
    Join Date
    May 2009

    Re: Working with kernel task on the new macbook air

    I had the identical tribulations on my MBA this from the recent days. I had been utilizing a 24" exterior monitor, additional than had disconnected it. In addition I was utilizing the USB-EtherNet adapter. A little bit later, the kernel_task went to in excess of 70% and the MBA was working with on one CPU; it was approximately unusable. I endeavor rebooting (took a at the same time as) and the tribulations persisted. Subsequent to reading this position, I unplugged the USB-EtherNet adapter and the kernel_task procedure instantaneously dropped to customary, and the MBA started utilizing together CPUs the entire in excess of again. I twisted on Airport, no tribulations, then turned it off, no predicament, then plugged the USB-EtherNet adapter back in, no difficulty.

  6. #6
    Join Date
    Nov 2009

    Re: Working with kernel task on the new macbook air

    Right at present I have some additional information I be able to confirm by means of the intention of when the presentation degredation occurs it's certainly followed by the stoppage of one of the cores (in movement Monitor the bottom CPU procedure box is black by means of no activity). Closing the lid and reopening it fixes the tribulations instantaneously. The temperature monitor software has the temperature at approximately 65c the complete time, and the fans are not spinning much harder than standard. Apple, give pleasure to acknowledge this problem and do something regarding it! It occurs a lot when time apparatus kicks in during standard operation. Flash video did not utilize to be tribulations back then moreover. The motivation for the flash going haywire was by means of the intention of there is an previous compatibility lib for mature action script installed along by means of the innovative library, on one occasion you eliminate with the intention of flash processor usage drops significantly.

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