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Thread: Nvidia optimus doesnt work on GT635M

  1. #1

    Default Nvidia optimus doesnt work on GT635M

    I have followed this wiki article: https://en.opensuse.org/SDB:NVIDIA_Bumblebee
    When I use optirun I get this error:

    Code:
    [  384.926702] [ERROR]Cannot access secondary GPU - error: Could not load GPU driver
    
    [  384.926746] [ERROR]Aborting because fallback start is disabled.
    I have already gone through the troubleshhoting part of the article, and it doesnt work still.
    Thank you

  2. #2
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    Default Re: Nvidia optimus doesnt work on GT635M

    /var/log/Xorg.0.log may have error messages that constitute clues to what may be going wrong. Please upload the content of this file at http://susepaste.org and paste in here the URL to it so that someone here might be able to help you. There is a command line utility to upload it for you:
    Code:
    susepaste -n iYannos -e 10080 /var/log/Xorg.0.log
    Usually susepaste claims to fail (it's usually broken), but on visiting the web URL usually the paste can be found to have succeeded, and the URL obtained from its recent pastes link in its upper right.

    Few of us who routinely try to help here actually have Optimus hardware, limiting the possibility of useful help from us.

    I see on https://en.opensuse.org/SDB:NVIDIA_Bumblebee there is a FAQ section more than halfway down that starts with an error message the same as yours begins. If you haven't already, it may be helpful to try its recommendation even though the next line of the message is different.
    Reg. Linux User #211409 *** multibooting since 1992
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  3. #3
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    Default Re: Nvidia optimus doesnt work on GT635M

    Not clear to me if you installed the proprietary driver or not. AFAIK Bumblebee does not work with the open source nouveau driver.
    With your card you need the G04 driver.
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  4. #4
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    Default Re: Nvidia optimus doesnt work on GT635M

    Quote Originally Posted by OrsoBruno View Post
    AFAIK Bumblebee does not work with the open source nouveau driver.
    With your card you need the G04 driver.
    That perception contradicts my reading of https://en.opensuse.org/SDB:NVIDIA_Bumblebee:
    OPTIONAL: Install NVIDIA driver
    If you want to use the advanced features of the secondary Nvidia graphics card, you can install the proprietary Nvidia driver as follows...(emphasis supplied)
    In addition, "nouveau" is not the only open source driver supporting NVidia GPUs. The Nouveau DDX (Device Dependent X driver) is a reverse-engineered driver exclusively supporting NVidia GPU's, while the (upstream default; not reverse-engineered; newer technology) Modesetting DDX supports AMD, Intel and NVidia GPUs. There is also the Nouveau kernel driver. Both Nouveau DDX and Modesetting DDX depend on kernel Nouveau functionality. If the kernel cmdline includes nomodeset or nouveau.modeset=0, a common consequence of the openSUSE installation process on Optimus hardware, then the Nouveau kernel driver is disabled, and the installation configuration contained in /etc/default/grub and /boot/grub2/grub.cfg probably needs adjustment.
    Reg. Linux User #211409 *** multibooting since 1992
    Primary: 42.3,TW,15.0 & 13.1 on Haswell w/ RAID
    Secondary: eComStation (OS/2)&42.3 on 965P/Radeon
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