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Lenovo x131e w/ AMD processor

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FOG Problems
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  • P
    PennTech
    last edited by Jul 16, 2013, 8:26 PM

    I just received a batch of Lenovo x131e laptops with an AMD E2-1800 processor and Radeon HD 7340 graphics. The computers are crashing to a static screen while attempting to boot from the fog server. I have updated the fog server to the latestest 3.8.8 core kernel. I have also tried compiling a 3.10.1 and a 3.11 kernel with the core and kitchensink config files. I get the static screen with each of the bzImage files I have tried.

    Any suggestions would be greatly appreciated.

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    • P
      PennTech
      last edited by Jul 17, 2013, 2:31 PM

      I believe I’ve got my issue straightened out. I compiled a 3.11rc kernel using the core config file. I used make menuconfig and removed support for the ATI Radeon. I was able to boot to the coomand prompt in debug mode, successfully perform a full inventory and am currently loading an image.

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      • J
        Jaymes Driver Developer
        last edited by Jul 17, 2013, 2:40 PM

        I would say you are definitely on the right track, it appears to be a Video card driver issue 🙂

        WARNING TO USERS: My comments are written completely devoid of emotion, do not mistake my concise to the point manner as a personal insult or attack.

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        • J
          jdorst
          last edited by Oct 29, 2013, 7:20 PM

          I just built a fresh FOG 0.32 server and forgot to update the kernel. Much to my surprise, I was able to perfectly inventory and deploy to these X131e systems without the snowy screen. So, what broke between the default kernel and the updated ones??

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          • T
            Tom Elliott
            last edited by Oct 29, 2013, 8:44 PM

            Nothing broke between them. A core kernel such as the one you’re describing (default install) contains drivers for video cards. With this comes the idea of kernel mode setting (KMS) which makes the terminal screen fit to the native resolution (if I understand it correctly) to your display.

            The issue was KMS was not a fully tested feature and hence would show a snowy screen on some systems. Other systems it would display perfectly fine.

            I imagine that an updated kernel (which one did you use 3.8.8 or something somebody built?) just has more support for video and can properly negotiate the KMS needed for the display.

            If you’re using a custom one, I imagine you’re using a kernel that doesn’t care about the video card and just displays no matter what, which would also explain why you’re not seeing the “snowy” screen anymore.

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