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Thread: GRUB visual artifacts after upgrading to 22.04.3 LTS

  1. #1
    Join Date
    Mar 2016
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    Question GRUB visual artifacts after upgrading to 22.04.3 LTS

    I was using 20.04 LTS, so I recently finally re-installed Xubuntu, and now I'm on a normal installation of Xubuntu 22.04.3 LTS.

    When booting, I get GRUB glitches as seen in the video: https://vimeo.com/900571782

    Specs:
    Coffee Lake i5-8400
    Asus Prime B360-Plus ATX
    Radeon RX 570 ITX 4G
    Monitor Dell S3422DWG

    Code:
    $ sudo apt list --installed | grep linux-image
    linux-image-6.2.0-26-generic/jammy-updates,jammy-security,now 6.2.0-26.26~22.04.1 amd64 [installed,automatic]
    linux-image-6.2.0-39-generic/jammy-updates,jammy-security,now 6.2.0-39.40~22.04.1 amd64 [installed,automatic]
    linux-image-generic-hwe-22.04/jammy-updates,jammy-security,now 6.2.0.39.40~22.04.16 amd64 [installed,automatic]

  2. #2
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    Re: GRUB visual artifacts after upgrading to 22.04.3 LTS

    Bump, I guess.
    I'll be interested just in knowing if others have a similar problem.

  3. #3
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    Re: GRUB visual artifacts after upgrading to 22.04.3 LTS

    Personally, not seen something like that before.

    But...

    1. what is your current screen resolution?

    2. post the output of
    Code:
    cat /etc/default/grub.d

  4. #4
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    Re: GRUB visual artifacts after upgrading to 22.04.3 LTS

    Quote Originally Posted by Rubi1200 View Post
    1. what is your current screen resolution?
    3440x1440, as per default for my monitor.
    As said, with 20.* LTS it worked fine, though.

    Quote Originally Posted by Rubi1200 View Post
    2. post the output of `cat /etc/default/grub.d`
    It's a directory. Inside there's `init-select.cfg`, all commented, so no content.
    If you meant `/etc/default/grub`, it's mostly untouched; omitting commented lines, it's:
    Code:
    GRUB_DEFAULT=0
    GRUB_TIMEOUT_STYLE=hidden
    GRUB_TIMEOUT=1
    GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nosgx"
    GRUB_CMDLINE_LINUX=""

  5. #5
    Join Date
    May 2008
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    Ubuntu 24.04 Noble Numbat

    Re: GRUB visual artifacts after upgrading to 22.04.3 LTS

    You could try one of the matching resolutions offered by grub.
    Boot your PC and allow the grub menu to appear.
    Press c for grub prompt
    Code:
    grub>videoinfo
    Make a note of the resolutions displayed.
    Then, edit grub
    Code:
    sudo nano /etc/default/grub
    Code:
    GRUB_GFXMODE=1280x1024  just an example
    Code:
    sudo update-grub
    You never know, you may be blissfully happy with a legible grub menu
    Or it could drive you into depths of despondency

    Worth a shot, methinks

  6. #6
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    Re: GRUB visual artifacts after upgrading to 22.04.3 LTS

    Quote Originally Posted by tea for one View Post
    HTML Code:
    GRUB_GFXMODE=1280x1024
    This completely fixed the issue, thank you very much.

    Should I report a bug somewhere?

    Should e.g. this be included by default in the Ubuntu/Xubuntu recent installations, and maybe that was included in 20.*? Or is it a GRUB new bug that was not present in older versions, etc.? This probably requires some investigation by someone more knowledgeable than me.

  7. #7
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    Ubuntu 24.04 Noble Numbat

    Re: GRUB visual artifacts after upgrading to 22.04.3 LTS

    Pleased to have helped.
    To help other forum users/searchers, it's a nice gesture to mark the thread as solved:-
    https://wiki.ubuntu.com/UnansweredPo.../SolvedThreads

  8. #8
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    Re: GRUB visual artifacts after upgrading to 22.04.3 LTS

    Quote Originally Posted by tea for one View Post
    To help other forum users/searchers, it's a nice gesture to mark the thread as solved
    Of course, but as you can see, I still had questions (about issuing or not a bug report, and where).
    And, more info: I've been able to make a screenshot-from-video about some error that appears for just a split second, might be related:



    Attached Images Attached Images

  9. #9
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    Ubuntu Development Release

    Re: GRUB visual artifacts after upgrading to 22.04.3 LTS

    Quote Originally Posted by SamInside View Post
    This completely fixed the issue, thank you very much.

    Should I report a bug somewhere?

    Should e.g. this be included by default in the Ubuntu/Xubuntu recent installations, and maybe that was included in 20.*? Or is it a GRUB new bug that was not present in older versions, etc.? This probably requires some investigation by someone more knowledgeable than me.
    Not a bug. This has been well documented since Kernel, Grub2, and Linux Graphics Layer changes back about Ubuntu 11.04 (2011)... Please read Post #1 of my Graphics Resolution Sticky in my signature line... That is how it (still) works, and the fixes for many things graphics related for the Linux Graphics Layer. (not just Ubuntu and it's flavors.)
    Last edited by MAFoElffen; January 13th, 2024 at 06:10 PM.

    "Concurrent coexistence of Windows, Linux and UNIX..." || Ubuntu user # 33563, Linux user # 533637
    Sticky: Graphics Resolution | UbuntuForums 'system-info' Script | Posting Guidelines | Code Tags

  10. #10
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    Re: GRUB visual artifacts after upgrading to 22.04.3 LTS

    Quote Originally Posted by MAFoElffen View Post
    ...
    Ok, thank you.
    What about my last screenshot, should I just ignore those errors?

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