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Thread: iMac upgrade 20.04 > 20.10 graphics driver issue

  1. #11
    Join Date
    Jan 2012
    Beans
    9

    Re: iMac upgrade 20.04 > 20.10 graphics driver issue

    As I stated above I tried booting of both Groovy and the lastest Manjaro, both present me with a black screen on boot. (LiveUsb)
    I didn't try safe graphics which seems to set NOMODESET upon starting.

    On the Manjaro forums people seem to be experiencing this problem since the 5.7 kernel.

  2. #12
    Join Date
    Jan 2012
    Beans
    9

    Re: iMac upgrade 20.04 > 20.10 graphics driver issue

    I can boot again without having to set NOMODESET..... using 5.10 RC1 kernel!
    Kernel 5.10 seems to fix the issue.

    I did this:

    Code:
    mkdir kernel_5_10_RC_1
    cd kernel_5_10_RC_1
    wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.10-rc1/amd64/linux-headers-5.10.0-051000rc1_5.10.0-051000rc1.202010291359_all.deb
    wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.10-rc1/amd64/linux-headers-5.10.0-051000rc1-generic_5.10.0-051000rc1.202010291359_amd64.deb
    wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.10-rc1/amd64/linux-image-unsigned-5.10.0-051000rc1-generic_5.10.0-051000rc1.202010291359_amd64.deb
    wget -c https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.10-rc1/amd64/linux-modules-5.10.0-051000rc1-generic_5.10.0-051000rc1.202010291359_amd64.deb                                                                                     
    sudo dpkg -i *.deb    
                         
    reboot
    Last edited by smojo; November 1st, 2020 at 05:36 PM.

  3. #13
    Join Date
    Mar 2011
    Location
    19th Hole
    Beans
    Hidden!
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: iMac upgrade 20.04 > 20.10 graphics driver issue

    Congrats! Installing an RC kernel is not for the faint of heart, but if it works for you, that's what counts. If you consider this matter solved, please mark it so by using the thread tools option in your first post and others can then benefit from their searches.

  4. #14
    Join Date
    Nov 2012
    Location
    Halloween Town
    Beans
    Hidden!
    Distro
    Xubuntu Development Release

    Re: iMac upgrade 20.04 > 20.10 graphics driver issue

    Thread moved to Apple Hardware Users.

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