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CPU peaks/Mouse Lag in 5384.4 - Windows Vista

I have a nasty problem in 5381 and 5384.4. My CPU peaks every other second, resulting in a temporary systom halt (cursor stops, sound interrupts, hard drive pauses...). This happenned to me in previous builds only when installed to SATA drive. In 5381 and 5384, it doesn't matter if I install it on IDE or SATA, the problem is persistent My config: Athlon 64 3000+ Socket 754 Mobo Gigabyte K8VT800 1,5 GB RAM DDR IDE and SATA drives (non-RAID) GeForce 6600 AGP Onboard Realtek AC97 Any ideas? TIA...

  1. #1

    Default CPU peaks/Mouse Lag in 5384.4

    I have a nasty problem in 5381 and 5384.4. My CPU peaks every other second,
    resulting in a temporary systom halt (cursor stops, sound interrupts, hard
    drive pauses...). This happenned to me in previous builds only when
    installed to SATA drive. In 5381 and 5384, it doesn't matter if I install it
    on IDE or SATA, the problem is persistent

    My config:

    Athlon 64 3000+ Socket 754
    Mobo Gigabyte K8VT800
    1,5 GB RAM DDR
    IDE and SATA drives (non-RAID)
    GeForce 6600 AGP
    Onboard Realtek AC97

    Any ideas?
    TIA


    Jiří Guest

  2. #2

    Default Re: CPU peaks/Mouse Lag in 5384.4

    Have you updated the video card drivers? Could be it.
    --
    Andre
    Windows Connected | http://www.windowsconnected.com
    Extended64 | http://www.extended64.com
    Blog | http://www.extended64.com/blogs/andre
    http://spaces.msn.com/members/adacosta
    "Ji?? Fiala" <cz> wrote in message
    news:%phx.gbl... 

    Andre Guest

  3. #3

    Default Re: CPU peaks/Mouse Lag in 5384.4

    No, unfortunatelly this is not the case :o( I tried the new nvidia beta
    drivers. Thanks though.

    "Andre Da Costa [Extended64]" <com> píse v diskusním
    príspevku news:com... 
    >[/ref]


    Jirí Guest

  4. #4

    Default Re: CPU peaks/Mouse Lag in 5384.4

    Download SysInternal's Process Explorer Tool, it should help you
    to isolate what is causing the processor % spikes.

    "Jiří Fiala" <cz> wrote in message
    news:%phx.gbl... 


    R. Guest

  5. #5

    Default Re: CPU peaks/Mouse Lag in 5384.4

    Thanks! Its DPCs - Deferred Procedure Calls. Its performance graph looks
    like a haircomb with evenly distributed spikes of similar height. Anyone
    knows what this means?

    "R. McCarty" <com> wrote in message
    news:eW%phx.gbl... 
    >
    >[/ref]

    Jir? Guest

  6. #6

    Default Re: CPU peaks/Mouse Lag in 5384.4

    DPC's are used by either a device driver or by the kernel. Could be that one
    of the device drivers you have installed is badly written. When writing
    device drivers there are certain rules you need to take in account. One of
    these rules is to have the amount of processor time for a DPC as low as
    possible. So having a high number of DPC's is not necessarely a problem but
    the processor time the DPC needs to execute is very important because it
    runs in the active thread and it might hurt the performance of the process
    you are running like for example a game or even in your case Windows. That's
    also why Microsoft signs drivers with the WHQL logo they test for example
    the microseconds DPC's need to execute which needs to be under a certain
    limit.

    What you can do is to see if this behavious is being caused by a certain
    application.

    --
    Gabriel Lozano-Morán
    The .NET Aficionado
    http://www.pointerx.net


    "Jir? Fiala" <cz> wrote in message
    news:com... 
    >>
    >>[/ref]
    >[/ref]


    Gabriel Guest

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