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Thread: Virtualbox creates race condition

  1. #1
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    Virtualbox creates race condition

    Using 12.04 64 with Kernel 3.2.0-38. Using the latest VBox in the repos. I've had several occurances of virtualbox freezing then creating a race condition. After I finally kill virtualbox and try to shut down I can't. I end up in a TTY and can't even shutdown the system. I have to hold down the power button to shutdown, which I hate doing. Is this a known issue? CPU gets to temps of 96-99 Celsius. I like virtualbox but not enough to risk frying my computer. I'm done for a while with vbox. I see that it had problems with older kernels. Is there a fix for this?

    Kopkins

  2. #2
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    Re: Virtualbox creates race condition

    I'm not up to speed on the VBox thing but next time you cannot shutdown try this. Hit ctrl+atl+F1, log in, then enter "sudo shutdown -h now". It's never good to hold the button like that, espescially if you have mechanical hard drives in the machine.

  3. #3
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    Re: Virtualbox creates race condition

    What are the specs for the machine?
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    Re: Virtualbox creates race condition

    Quote Originally Posted by skinnymg1 View Post
    I'm not up to speed on the VBox thing but next time you cannot shutdown try this. Hit ctrl+atl+F1, log in, then enter "sudo shutdown -h now". It's never good to hold the button like that, espescially if you have mechanical hard drives in the machine.
    I didn't have the -h flag in there. I'll try that next time. Yeah I know that's why I hate it so much.

    Quote Originally Posted by deadflowr View Post
    What are the specs for the machine?
    Macbook 8,1 with i5-2415M 2-cores+hyperthread and 4GB RAM

    I don't run out of RAM when this happens.

  5. #5
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    Cool Re: Virtualbox creates race condition

    Quote Originally Posted by Kopkins View Post
    Using 12.04 64 with Kernel 3.2.0-38. Using the latest VBox in the repos. I've had several occurances of virtualbox freezing then creating a race condition. After I finally kill virtualbox and try to shut down I can't. I end up in a TTY and can't even shutdown the system. I have to hold down the power button to shutdown, which I hate doing. Is this a known issue? CPU gets to temps of 96-99 Celsius. I like virtualbox but not enough to risk frying my computer. I'm done for a while with vbox. I see that it had problems with older kernels. Is there a fix for this?

    Kopkins
    hi
    i think it's better to talk about a run-away process than a race-condition (wich can be the reason too).
    some explanation you can (may be) see in my appendix (don't be afraid it's pure ascii).
    i guess the temps of your CPU is coming from USER-mode - figure out which task(s) is (are) reponsible
    ciao
    Last edited by rnerwein; March 13th, 2013 at 09:54 AM. Reason: tink i am to stupid to manage a forgotten upload the appendix
    "What is the robbing of a bank compared to the FOUNDING of a bank?" Berthold Brecht

  6. #6
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    Re: Virtualbox creates race condition

    Quote Originally Posted by rnerwein View Post
    hi
    i think it's better to talk about a run-away process than a race-condition (wich can be the reason too).
    some explanation you can (may be) see in my appendix (don't be afraid it's pure ascii).
    i guess the temps of your CPU is coming from USER-mode - figure out which task(s) is (are) reponsible
    ciao
    If virutalbox runs away and I kill it and everything dealing with it yet my cpu is still at max what is it?

    The processes that are using all the CPU are khelper. And I can't stop them. In system monitor they don't even show up and there isn't a program using more than ~2-3% CPU. The only place khelper shows up is in top. If you looked at the my system monitor everything looked fine except the CPU and RAM usage. I can't stop khelper.

    Where is your appendix?

    Whatever it is, race or runaway, I don't like my fans at 6000+rpm and my cpu able to boil water.
    Last edited by Kopkins; March 13th, 2013 at 12:46 PM.

  7. #7
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    Re: Virtualbox creates race condition

    Does anyone else have any ideas about this or a potential solution?

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