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Fix the problem where DisplayLinkUserAgent eats 38% of my CPU

OS is windows 10, DLUA is 7.9.6.30.0. This often gets in a state where the user agent sets there using between 35 and 38% of CPU.

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    Neil MacMullenNeil MacMullen shared this idea  ·   ·  Flag idea as inappropriate…  ·  Admin →

    45 comments

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      • JakeJake commented  ·   ·  Flag as inappropriate

        I have an HP comaq (not sure what exact model) with an ASUS Nividia GeForce 210 silent video card and two monitors hooked up to the VGA and the DVI inputs on the card. do i need DisplayLink if i'm not using a USB cable to connect my monitors?

      • lolek1234lolek1234 commented  ·   ·  Flag as inappropriate

        same issue here...Systems run on Win 10 professional with DisplayLink 8.1.843.0. As soon as you move your mouse from the internal display to the external display/s that are connected to the usb3 dockingstation the CPU usage on process "WUDFHost process (Windows Driver Foundation -User-mode Driver Framework Host Process)" gets to 20%-80% and the mouse movement is "lagging" hard -> working is not possible (even the i7-6700HQ cant handle the CPU usage of the above mentioned process).
        I´ve tried to install 8.2 Beta 2 08 Mar 2017 to resolve the issue but the problems still exists.
        The newest graphics card driver from Nvidia (from 09.03.17) and chipset drivers are up to date.
        Problem occures on every type of notebook (Dell XPS, Schenker XMG and Lenovo Thinkpad).

        Hopefully this issue gets resolves soon or maybe someone finds the cause and a possible workaround for this issue...

      • YtaiebYtaieb commented  ·   ·  Flag as inappropriate

        Same issue here. Windows 10 and DisplayLink 8.1.843.0 (dlidusb.dll). Just moving the mouse generates load on WUDFHost process (Windows Driver Foundation -User-mode Driver Framework Host Process. Are you working on a solution?

      • TomTom commented  ·   ·  Flag as inappropriate

        Also seeing this issue with my Surface Book together with a Toshiba dynaDock U3. The surface is on latest Win10 1607 and the driver I currently have installed is 8.1 M0 as of Dec 18th (8.1.843.0)

      • Chirag MehtaChirag Mehta commented  ·   ·  Flag as inappropriate

        I am having an issue with HPElitebook 820G3 model and I am using Targus ACP71EU

        Would it be possible to get a patch so that the CPU does not go high and in my case it jumps to 80% constant UP and down, which is a nightmare for any developer machine.

        Thanks in anticipation

      • ChrisChris commented  ·   ·  Flag as inappropriate

        Experiencing similarissue with Dell Latitude E6440, Win7, while connected to Dell 3100 USB dock. DisplayLink User Agent is using between 30 and 40% CPU. I installed 8.1MO and the issue persists. Thank you.

      • SimonSimon commented  ·   ·  Flag as inappropriate

        DisplayLink STILL haven't fixed this? It's been years

        What is the latest recommendation? Other than buy different hardware

      • TedTed commented  ·   ·  Flag as inappropriate

        Why is the agent jumping from 2-3% CPU to 25% CPU or higher and not releasing. I am forced to stop the service and restart and that usually fixes it until the next time it jumps to 25% or higher. I have Windows 7 Dell 7450 i7. I have replaced by machine twice. My dual monitors and my Dell D3100 dockingstation twice. Not sure why me or what is happening specifically. I am using version 8.1.848.0.

        Please advise.

      • GiovanniGiovanni commented  ·   ·  Flag as inappropriate

        Help me please!
        I have S.O. Win7 and displaylink M8 v.8.0.923.0
        Displaylink working whit 25% CPU. Constant!!!
        Help me please!

      • GiovanniGiovanni commented  ·   ·  Flag as inappropriate

        I have same problem. My system is W7 and displaylink is last version M8 v. 8.0.923.0.
        Help me please!

      • trepseqtrepseq commented  ·   ·  Flag as inappropriate

        Same problem here using Ubuntu 16.04. The displaylink process works always as if everything were being drawn to the monitor connected with the displayport adapter.

        Using a different window manager than Compiz solves the problem. Also disabling OpenGl in the compiz settings does it, but that leaves you with an unusable desktop where you can't move any windows.

        At the moment, when using Linux with a displaylink adapter, the possibilities are these:
        a) high CPU load with compiz
        b) low CPU load without compiz

        Unity needs compiz, so Ubuntu/Unity is going to have a high CPU load when watching videos or moving windows, or playing.

      • Ernest LevaillantErnest Levaillant commented  ·   ·  Flag as inappropriate

        Hi guys, same problem here, ubuntu 16 up to date, last version of driver DisplayLink for ubuntu, the process DisplayLinkManager hit 15-20% CPU all times, any idea for stop this process when i don't use the displaylink dock ?

      • JasonJason commented  ·   ·  Flag as inappropriate

        Dell XPS 13 9333 running Ubuntu 16.04

        DispalyLinkMana consumes 75% of cpu

      • Tom AntonovichTom Antonovich commented  ·   ·  Flag as inappropriate

        This did not resolve the issue for me, in fact it made it worse. Now this causes my Intel Display Driver to crash, after which one of my monitors flickers and is unusable until a reboot. The driver used to crash occasionally before the patch, but it would just crash and I could then kill the DisplayLinkUserAgent process to restore functionality.

      • Teresa FairchildTeresa Fairchild commented  ·   ·  Flag as inappropriate

        Yes yes yes me too with an XPS 13. Just had something like 38% and everything moved like it was in molasses.

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