• Dell XPS 13 (9350) - Bottom edge of videos flickering


    Hello Everyone,

    Watching any YouTube or Netflix in full-screen results in a bottom flicker lately. I captured a screenshot of Arrested Development (TV Show) that shows this:

    Screenshot:
    https://imgur.com/a/LwPlDPG

    You can see my blue wallpaper flickering through at the bottom edge of the screen. I believe there was an update to my Intel video driver recently. However, wanted to post and ask if anyone else is experiencing this issue?

    If anyone could offer any assistance, it would be greatly appreciated. Thanks!

  • So doing some googling, “tearing” is the correct verb here to use to describe the issue. There was also a kernal update (Kernel: 4.16.9-1-ARCH) that I installed recently that may have caused this issue also.

    Anyway, just wanted to provide all the details. TIA!

    • First try changing the configuration:
      sudo mkdir /etc/X11/xorg.conf.d
      sudo nano /etc/X11/xorg.conf.d/20-intel.conf

    In the file, insert:

    Section “Device”
    Identifier “Intel Graphics”
    Driver “intel”
    Option “AccelMethod” “uxa”
    EndSection

    To undo, delete the file /etc/X11/xorg.conf.d/20-intel.conf and remove the folder /etc/X11/xorg.conf.d/ 9if it was not there before)

    • Switching to the nomodeset kernel driver: remove xf86-video-intel using pacman. For me, both measures together have eliminated any tearing.
  • @antimony said in Dell XPS 13 (9350) - Bottom edge of videos flickering:

    Switching to the nomodeset kernel driver: remove xf86-video-intel using pacman. For me, both measures together have eliminated any tearing.

    Hey Antimony,

    Can you explain a bit more what this “20-intel.conf” file and it’s contents does? It looks like something to do with accelerated graphics options I’m assuming?

    Also, can you expand a bit more on your step for un-doing:
    “Switching to the nomodeset kernel driver: remove xf86-video-intel using pacman. For me, both measures together have eliminated any tearing.”

    Can you also provide some quick instructions for that please? TIA.

  • Hey Antimony,

    Just as an update, the fix you provided did NOT work. I ended up reverting (removing) the file to keep things keep clean.

    Please let me know if anyone else out there has any recommendations or wants me to try anything. Thanks in advance for everyone’s time and help, it is greatly appreciated!

    Thanks,
    Asif

  • Here is a lot of information your team, is just to read and read and read … It’s like a user’s manual ☺

    https://bbs.archlinux.org/viewtopic.php?id=205147

  • So interestingly enough, I tried to log into my Gnome session under “classic” and “xorg” but it kept bringing me back to the login screen. I wanted to see if this was ONLY an issue in wayland or not.

    Is something broken on my system if I can’t log into the other Gnome DE’s?

  • @a4orce84 lightdm or gdm in use?

  • GDM sir!

  • so wayland-session starts but not classic and xorg… xf86-video-intel is installed, without a conf file under /etc/xorg.conf.d

    ls /etc/modprobe.d
    ls /usr/lib/modprobe.d/
    ls /etc/xorg.conf.d
    pacman -Qs intel
    sudo cat /boot/grub/grub.cfg | grep /boot/vmlinuz-linux
    

    (only for reverse checking if some configs are wrong)

  • @joekamprad said in Dell XPS 13 (9350) - Bottom edge of videos flickering:

    sudo cat /boot/grub/grub.cfg | grep /boot/vmlinuz-linux

    Output:

    [[email protected] ~]$ ls /etc/modprobe.d
    i915.conf  iwlwifi.conf
    [[email protected] ~]$ ls /usr/lib/modprobe.d/
    bluetooth-usb.conf  systemd.conf
    [[email protected] ~]$ ls /etc/xorg.conf.d
    ls: cannot access '/etc/xorg.conf.d': No such file or directory
    [[email protected] ~]$ pacman -Qs intel
    local/gnome-shell-extension-dash-to-dock 1:61-1 (gnome-shell-extensions)
        A gnome-shell extension that transforms the dash into an intellihide dock.
    local/intel-ucode 20180425-1
        Microcode update files for Intel CPUs
    local/ipw2100-fw 1.3-8
        Intel Centrino Drivers firmware for IPW2100
    local/ipw2200-fw 3.1-6
        Firmware for the Intel PRO/Wireless 2200BG
    local/lib32-mesa 18.0.4-1
        An open-source implementation of the OpenGL specification (32-bit)
    local/libva-intel-driver 2.1.0-1
        VA-API implementation for Intel G45 and HD Graphics family
    local/mesa 18.0.4-1
        An open-source implementation of the OpenGL specification
    local/whois 5.3.0-1
        Intelligent WHOIS client
    local/xf86-video-intel 1:2.99.917+831+ge7bfc906-1 (xorg-drivers)
        X.org Intel i810/i830/i915/945G/G965+ video drivers
    [[email protected] ~]$ sudo cat /boot/grub/grub.cfg | grep /boot/vmlinuz-linux
    	linux	/boot/vmlinuz-linux root=UUID=4afb7ee2-88c3-4333-b952-8ce18d7aae73 rw  quiet resume=UUID=49f0e4cc-69a6-4a80-a3b3-b704ccce40d3
    		linux	/boot/vmlinuz-linux root=UUID=4afb7ee2-88c3-4333-b952-8ce18d7aae73 rw  quiet resume=UUID=49f0e4cc-69a6-4a80-a3b3-b704ccce40d3
    		linux	/boot/vmlinuz-linux root=UUID=4afb7ee2-88c3-4333-b952-8ce18d7aae73 rw  quiet resume=UUID=49f0e4cc-69a6-4a80-a3b3-b704ccce40d3
    [[email protected] ~]$
    

    It appears that I am missing the ‘xorg.conf.d’ config file specifically:
    [[email protected] ~]$ ls /etc/xorg.conf.d
    ls: cannot access ‘/etc/xorg.conf.d’: No such file or directory

  • @joekamprad said in Dell XPS 13 (9350) - Bottom edge of videos flickering:

    ls /etc/xorg.conf.d

    must be:

    ls /etc/X11/xorg.conf.d
    

    👨‍🔧

  • @joekamprad said in Dell XPS 13 (9350) - Bottom edge of videos flickering:

    ls /etc/X11/xorg.conf.d

    [[email protected] ~]$ ls /etc/X11/xorg.conf.d
    00-keyboard.conf 50-synaptics.conf 50-synaptics.conf.bak 99-killX.conf

  • @a4orce84 said in Dell XPS 13 (9350) - Bottom edge of videos flickering:

    /etc/modprobe.d
    i915.conf

    pacman -Qo /etc/modprobe.d/i915.conf
    

    to see if this file is installed by a package

  • @a4orce84
    the rest looks just fine to my eyes…

  • @joekamprad said in Dell XPS 13 (9350) - Bottom edge of videos flickering:

    pacman -Qo /etc/modprobe.d/i915.conf

    Output:
    [[email protected] ~]$ pacman -Qo /etc/modprobe.d/i915.conf
    error: No package owns /etc/modprobe.d/i915.conf

  • then move it out of the way:

    sudo mv /etc/modprobe.d/i915.conf ~/
    
  • Thanks @joekamprad! That worked and I am able to log into Classic and Xorg without any problems.

    Back to the original issue:
    I can now confirm that the issue ONLY exists on Wayland. Under Classic and Xorg, I do not have any screen tearing in Chrome / Chromium, and Firefox does not contain artifacts when I move it to the left/right of the screen (screen snapping).

    Maybe this is an issue with the latest version of mesa that was released for Gnome Wayland?

    @joekamprad - Can you confirm if you are seeing this behavior in your VM?

    Thanks in advance everyone for your time and help, it is greatly appreciated!

  • i can not reproduce the use of a intel graphiccard inside my VM ;)
    But io do have a ThinkCentre with intel graphics, and yes my daughter is using xorg session to do not get tearing

  • Anyone else out there experiencing these issues?

dell29 xps25 93506 bottom3 Posts 24Views 1059
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