Wallpaper resolution resets to Nvidia's display port monitor resolution

[redhat_boy]

Hi,

I am facing a weird issue. I have basically three monitors:

2 x 34 inch ultra wide LG monitors which supports up to 3840x2160 screen resolution.
1 x 22 inch Dell monitor which supports up to 1920x1080 screen resolution.

One 34 inch monitor connected to on-board Intel Graphic Card HDMI port:

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HDMI-0 connected primary 2560x1080+2560+378 (normal left inverted right x axis y axis) 798mm x 334mm
   2560x1080     59.98 +  74.99*   50.00  
   3840x2160     29.97    25.00    23.98    23.98  
   2560x1440     59.95  
   1920x1080     75.00    60.00    59.94    50.00  
   1680x1050     59.95  
   1600x900      60.00  
   1280x1024     75.02    60.02  
   1280x800      59.81  
   1280x720      60.00    59.94    50.00  
   1152x864      60.00  
   1024x768      75.03    60.00  
   800x600       75.00    60.32  
   720x576       50.00  
   720x480       59.94  
   640x480       75.00    59.94    59.93  

Second 34 inch monitor connected to Nvidia Graphic HDMI port:

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HDMI-1-1 connected 2560x1080+0+378 (normal left inverted right x axis y axis) 798mm x 334mm
   2560x1080     59.98 +  74.99*   50.00  
   3840x2160     30.00    25.00    24.00    29.97    23.98  
   2560x1440     59.95  
   1920x1080     74.99    60.00    50.00    59.94  
   1680x1050     59.88  
   1600x900      60.00  
   1280x1024     75.02    60.02  
   1280x800      59.91  
   1152x864      75.00    59.97  
   1280x720      60.00    50.00    59.94  
   1024x768      75.03    60.00  
   832x624       74.55  
   800x600       75.00    60.32  
   720x576       50.00  
   720x480       60.00    59.94  
   640x480       75.00    60.00    59.94 

And the 22inch Dell Monitor connected to the Display Port on Nvidia Graphic Card.

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DP-1 connected 1080x1920+5120+0 left (normal left inverted right x axis y axis) 476mm x 268mm
   1920x1080     60.00*+  59.94    50.00  
   1600x900      60.00  
   1280x1024     75.02    60.02  
   1280x720      60.00    59.94    50.00  
   1152x864      75.00  
   1024x768      75.03    60.00  
   800x600       75.00    60.32  
   720x576       50.00  
   720x480       59.94  
   640x480       75.00    59.94    59.93 

The issue I am facing here, whenever I set a wallpaper, it fits to all monitor screen resolutions no matter different model and supports different screen resolutions. But when I reboot the machine and the same wallpaper resets to a very low resolution and looks blurred on all screens except the 22inch 1920x1080 screen resolution Dell monitor. I am not sure why it happens like that.

Maybe the 22inch monitor screen resolution 1920x1080 takes precedence on each reboot and the system resets the wallpaper resolution to the same?. I don't know why it happens all of a sudden.

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Graphics:  Device-1: Intel HD Graphics 510 vendor: ASUSTeK driver: i915 v: kernel bus ID: 00:02.0 
           Device-2: NVIDIA TU116 [GeForce GTX 1650 SUPER] vendor: Gigabyte driver: nvidia v: 460.39 bus ID: 01:00.0 
           Display: x11 server: X.Org 1.20.9 driver: modesetting,nvidia unloaded: fbdev,nouveau,vesa 
           resolution: 1920x1080~60Hz 
           OpenGL: renderer: GeForce GTX 1650 SUPER/PCIe/SSE2 v: 4.6.0 NVIDIA 460.39 direct render: Yes 

Screen look after each reboot:

[SMG]

The issue I am facing here, whenever I set a wallpaper, it fits to all monitor screen resolutions no matter different model and supports different screen resolutions. But when I reboot the machine and the same wallpaper resets to a very low resolution and looks blurred on all screens except the 22inch 1920x1080 screen resolution Dell monitor.

Do you do something after booting to get all wallpapers to fit properly? If so, what steps do you use?

What I find odd, is I assume all three monitors are connected when you boot and you ran the graphics info with all three monitors connected. But only one monitor is showing in the output. It makes me wonder what the Display app settings look like when you first boot.

Graphics:
Device-1: Intel HD Graphics 510 vendor: ASUSTeK driver: i915 v: kernel bus ID: 00:02.0
Device-2: NVIDIA TU116 [GeForce GTX 1650 SUPER] vendor: Gigabyte driver: nvidia v: 460.39 bus ID: 01:00.0
Display: x11 server: X.Org 1.20.9 driver: modesetting,nvidia unloaded: fbdev,nouveau,vesa
resolution: 1920x1080~60Hz
OpenGL: renderer: GeForce GTX 1650 SUPER/PCIe/SSE2 v: 4.6.0 NVIDIA 460.39 direct render: Yes

[redhat_boy]

Do you do something after booting to get all wallpapers to fit properly? If so, what steps do you use?

What I find odd, is I assume all three monitors are connected when you boot and you ran the graphics info with all three monitors connected. But only one monitor is showing in the output. It makes me wonder what the Display app settings look like when you first boot.

Graphics:
Device-1: Intel HD Graphics 510 vendor: ASUSTeK driver: i915 v: kernel bus ID: 00:02.0
Device-2: NVIDIA TU116 [GeForce GTX 1650 SUPER] vendor: Gigabyte driver: nvidia v: 460.39 bus ID: 01:00.0
Display: x11 server: X.Org 1.20.9 driver: modesetting,nvidia unloaded: fbdev,nouveau,vesa
resolution: 1920x1080~60Hz
OpenGL: renderer: GeForce GTX 1650 SUPER/PCIe/SSE2 v: 4.6.0 NVIDIA 460.39 direct render: Yes

Correct, I can see this part resolution: 1920x1080~60Hz with the graphic driver always. Does this mean the display port of the Nvidia graphic takes precedence on each reboot and changes the wallpaper resolution accordingly?.

Otherwise, I don't do anything special to set wallpaper. For setting a wallpaper, I simply right-click on the image and choose 'set as wallpaper', that's it.

[SMG]

I suggest checking what is showing in the Displays app and/or the Nvidia X Server settings app to get an idea of what might be happening.

You have not given any information about your computer, but maybe there is some setting in the motherboard which is a factor in the graphics.

[karlchen]

Hi, redhat_boy.

What SMG politely suggests, without explicitly saying so,

You have not given any information about your computer, ...

is:
Please, share your complete system information with us, not just the inxi -G part, which you had shared.
The detailled steps, how to share your system information with us, can be found here: How to post your Linux Mint System Information (inxi report)

Thanks, Karl

[redhat_boy]

Please, share your complete system information with us, [...] The detailled steps, [...] , can be found here: How to post your Linux Mint System Information (inxi report)

Sure, thank you guys for your time on this.

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^john> $ [~] : inxi -Fxxxrz
System:    Kernel: 5.4.0-70-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: Cinnamon 4.8.6 wm: muffin 4.8.1 
           dm: LightDM 1.30.0 Distro: Linux Mint 20.1 Ulyssa base: Ubuntu 20.04 focal 
Machine:   Type: Desktop Mobo: ASUSTeK model: H110M-D v: Rev X.0x serial: <filter> UEFI: American Megatrends v: 0310 
           date: 02/01/2016 
Battery:   Device-1: hidpp_battery_0 model: Logitech Wireless Keyboard serial: <filter> charge: 55% (should be ignored) 
           rechargeable: yes status: Discharging 
CPU:       Topology: Dual Core model: Intel Core i3-6098P bits: 64 type: MT MCP arch: Skylake-S rev: 3 L2 cache: 3072 KiB 
           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 28800 
           Speed: 2700 MHz min/max: 800/3600 MHz Core speeds (MHz): 1: 2700 2: 2700 3: 2700 4: 2700 
Graphics:  Device-1: Intel HD Graphics 510 vendor: ASUSTeK driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:1902 
           Device-2: NVIDIA TU116 [GeForce GTX 1650 SUPER] vendor: Gigabyte driver: nvidia v: 460.39 bus ID: 01:00.0 
           chip ID: 10de:2187 
           Display: x11 server: X.Org 1.20.9 driver: modesetting,nvidia unloaded: fbdev,nouveau,vesa 
           resolution: 1920x1080~60Hz 
           OpenGL: renderer: GeForce GTX 1650 SUPER/PCIe/SSE2 v: 4.6.0 NVIDIA 460.39 direct render: Yes 
Audio:     Device-1: Intel 100 Series/C230 Series Family HD Audio vendor: ASUSTeK driver: snd_hda_intel v: kernel 
           bus ID: 00:1f.3 chip ID: 8086:a170 
           Device-2: NVIDIA TU116 High Definition Audio vendor: Gigabyte driver: snd_hda_intel v: kernel bus ID: 01:00.1 
           chip ID: 10de:1aeb 
           Sound Server: ALSA v: k5.4.0-70-generic 
Network:   Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: ASUSTeK driver: r8169 v: kernel port: d000 
           bus ID: 03:00.0 chip ID: 10ec:8168 
           IF: enp3s0 state: up speed: 100 Mbps duplex: full mac: <filter> 
           Device-2: NetGear WNA1000Mv2 802.11bgn [Realtek RTL8188CUS] type: USB driver: rtl8192cu bus ID: 1-7:3 
           chip ID: 0846:9043 serial: <filter> 
           IF: wlx506a03eae99b state: down mac: <filter> 
Drives:    Local Storage: total: 1.02 TiB used: 56.00 GiB (5.4%) 
           ID-1: /dev/sda vendor: SanDisk model: SDSSDA120G size: 111.79 GiB speed: 6.0 Gb/s serial: <filter> rev: 70RL 
           temp: 45 C scheme: GPT 
           ID-2: /dev/sdb vendor: Toshiba model: DT01ACA100 size: 931.51 GiB speed: 6.0 Gb/s rotation: 7200 rpm 
           serial: <filter> rev: A750 temp: 39 C scheme: MBR 
Partition: ID-1: / size: 90.22 GiB used: 55.35 GiB (61.4%) fs: ext4 dev: /dev/sda4 
           ID-2: /boot size: 2.73 GiB used: 662.3 MiB (23.7%) fs: ext4 dev: /dev/sda3 
           ID-3: swap-1 size: 14.90 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda1 
Sensors:   System Temperatures: cpu: 29.8 C mobo: 27.8 C gpu: nvidia temp: 50 C 
           Fan Speeds (RPM): N/A gpu: nvidia fan: 40% 
Repos:     No active apt repos in: /etc/apt/sources.list 
           Active apt repos in: /etc/apt/sources.list.d/google-chrome.list 
           1: deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main
           Active apt repos in: /etc/apt/sources.list.d/microsoft-prod.list 
           1: deb [arch=amd64] https://packages.microsoft.com/ubuntu/20.04/prod focal main
           Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list 
           1: deb http://mirrors.evowise.com/linuxmint/packages ulyssa main upstream import backport
           2: deb http://ubuntu-archive.mirrors.estointernet.in focal main restricted universe multiverse
           3: deb http://ubuntu-archive.mirrors.estointernet.in focal-updates main restricted universe multiverse
           4: deb http://ubuntu-archive.mirrors.estointernet.in focal-backports main restricted universe multiverse
           5: deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
           6: deb http://archive.canonical.com/ubuntu/ focal partner
           Active apt repos in: /etc/apt/sources.list.d/owncloud.list 
           1: deb https://download.owncloud.com/desktop/ownCloud/stable/latest/linux/Ubuntu_20.04/ /
           Active apt repos in: /etc/apt/sources.list.d/slack.list 
           1: deb https://packagecloud.io/slacktechnologies/slack/debian/ jessie main
           Active apt repos in: /etc/apt/sources.list.d/steam.list 
           1: deb [arch=amd64,i386] https://repo.steampowered.com/steam/ stable steam
           2: deb-src [arch=amd64,i386] https://repo.steampowered.com/steam/ stable steam
           Active apt repos in: /etc/apt/sources.list.d/vscode.list 
           1: deb [arch=amd64,arm64,armhf] http://packages.microsoft.com/repos/code stable main
Info:      Processes: 320 Uptime: 8h 09m Memory: 15.53 GiB used: 6.68 GiB (43.0%) Init: systemd v: 245 runlevel: 5 Compilers: 
           gcc: 9.3.0 alt: 9 Shell: bash v: 5.0.17 running in: terminator inxi: 3.0.38

[SMG]

One 34 inch monitor connected to on-board Intel Graphic Card HDMI port:
Second 34 inch monitor connected to Nvidia Graphic HDMI port:
And the 22inch Dell Monitor connected to the Display Port on Nvidia Graphic Card.

You mentioned this in the first post, however, what is the setting in your BIOS/UEFI for graphics? Most desktops do not permit more than one GPU for graphics, but some do permit switching like an Optimus-style laptop can do. I do not know know what is available on your computer's motherboard. Even though you may have a monitor plugged into the iGPU port, Nvidia is probably still be running it.

I suggest making sure you are using the most recent UEFI version which is applicable for your computer/situation.

Check Nvidia X Server Settings to see if all three monitors are recognized in it. If not you might want to check for errors or messages in X Server Log located at /var/log/Xorg.0.log. If you would like us to take a look at it, run the following in a terminal
cat /var/log/Xorg.0.log | nc termbin.com 9999
and let us know the url it returns.

[redhat_boy]

One 34 inch monitor connected to on-board Intel Graphic Card HDMI port:
Second 34 inch monitor connected to Nvidia Graphic HDMI port:
And the 22inch Dell Monitor connected to the Display Port on Nvidia Graphic Card.

You mentioned this in the first post, however, what is the setting in your BIOS/UEFI for graphics? Most desktops do not permit more than one GPU for graphics, but some do permit switching like an Optimus-style laptop can do. I do not know know what is available on your computer's motherboard. Even though you may have a monitor plugged into the iGPU port, Nvidia is probably still be running it.

I suggest making sure you are using the most recent UEFI version which is applicable for your computer/situation.

Check Nvidia X Server Settings to see if all three monitors are recognized in it. If not you might want to check for errors or messages in X Server Log located at /var/log/Xorg.0.log. If you would like us to take a look at it, run the following in a terminal
cat /var/log/Xorg.0.log | nc termbin.com 9999
and let us know the url it returns.

SMG, thanks for all your points, I went through all of that and all settings look ok.

The weirdest part I found about this is, the resolution issue only happens when I set the rotation of 22 inch Dell monitor to Counterclockwise(90 degrees left) and Graphics automatically takes precedence of the 22 inch Dell Inch monitor resolution 1920x1080 over others. Please note the resolution issue only appears for any wallpaper I set, not for any application windows, web browsers, etc. The resolution issue with wallpaper goes off when I set the rotation of 22 inch Dell Inch monitor back to Normal. This is weird. It only happens on Mint and it works fine on Windows 10 on the same machine. Any idea to workaround this?.

[SMG]

The weirdest part I found about this is, the resolution issue only happens when I set the rotation of 22 inch Dell monitor to Counterclockwise(90 degrees left) and Graphics automatically takes precedence of the 22 inch Dell Inch monitor resolution 1920x1080 over others. Please note the resolution issue only appears for any wallpaper I set, not for any application windows, web browsers, etc. The resolution issue with wallpaper goes off when I set the rotation of 22 inch Dell Inch monitor back to Normal.

Multiple monitor situations are sometimes more likely to run into bugs because it is difficult for the developers to test all options. It is possible you have run into a bug. If it is a bug, I do not know if it might be in Cinnamon or an underlying program used from the Ubuntu base.

I realize you are not spanning your wallpaper, but maybe something in the discussion on this thread
Spanned wallpaper sizing could be better #114 will give you ideas to investigate.

That issue was posted under "Cinnamon desktop", but when I checked linuxmint / cinnamon-settings-daemon I saw "Background" listed. If you want to report this as a bug, that is probably where it should be placed.

I have not done much work with Backgrounds/Wallpaper, so maybe someone else might have some ideas.