AlanSmith For many the problem absolutely is the OS. Don't assume because something does or does not impact you it does or does not impact others.
DirectX12 acceleration and 3D compositing are at the root of my BVD issues with Windows, and thats 100% due to them being implemented in Win 10 and Win 11
karut If you prefer to have a "secure" system that you can't use due to eyestrain, well that's a choice I guess.
"Security" is the most overblown term thrown around in computing. 99.9% of PC security is between the chair and the keyboard, and Linux itself is such an insanely small vector for attacks it's laughable to be concerned about it.
My daily driver laptop I use around the house runs Windows XP. Never had a "security" issue with it ever. Don't install software you don't know, don't click on links in in email, and you are just as secure as any fully updated "secure" OS. This isn't the movies where top secret NSA hackers are going to run 0 day exploits to get into your PC and download the launch codes. 99.99% of PC "security" threats are scammers trying to bilk you into buying them gift cards or crypto
reaganry That's unfortunate to hear. Did you find kernel 4.15 easier on the eyes?
orangepeel yes it seems usable, better than manjaro, but i cant test streaming video with bad internet
simplex Can you explain a bit more…? Which OS affected, why they affected?
Starting with Windows 10 (actually it may have also been in Windows 8, I never used 8 so I never looked into it) DirectX 12 was "built in" to the OS. DirectX 12 is what enables all those pretty Windows effects that Microsoft loves but it also modifies the display in a way that triggers out symptoms (colors, dithering, etc). It basically introduces a new "layer" in between your video card and your monitor. Before this your video card could draw frames directly to the screen without anything in the middle, Aero inserted itself in the middle but that could be disable in Windows 7, but in Windows 10 and up it is a part of the desktop window manager and cannot be disabled, at least without severely compromising the functionality of windows. There are ways to overwrite system files using a Window 10 boot disk to access a Windows 10 install that llows you to modify system files but the resulting desktop environment is not very useable, you get random black windows popping up all over the place.
Also what os do you run on your main personal machine?
windows 7, pre-KB2670838 update (which adds the Windows 10 video architecture to Windows 7)
orangepeel ensete What Linux kernel are you using? I use Ubuntu 18.04 with Linux kernel 4.15.0-x and I have no eyestrain. Ubuntu 18.04 has two different kernels -- 4.15 and 5.4. I don't use kernel 5.4 because this kernel gives me eyestrain and headaches.
I used Ubuntu 18.04 with kernel 4.15.0-x for years. Then last year I reinstalled Ubuntu 18.04, but the display became very harsh and gave me a headache. Then I noticed that it had kernel 5.4 and not kernel 4.15. So I installed kernel 4.15, booted into GRUB, and selected kernel 4.15 and the eyestrain disappeared and the screen was easy on the eyes! Kernel 5.4 turned my good laptop (ideapad 110) into a bad laptop.
I'm no Linux expert, but I set up a new Lubuntu 18.04 in a VM and it wasn't as pleasant on the eyes as RDP'ing onto my Mini PC I have Lubunutu installed on. I checked the kernel version's and they are 5.4 on both. I downgraded the VM to 4.15, didn't see that much of a difference.
I am assuming now that xrdp offers a better display than the VM display. More testing to come.
ensete It basically introduces a new "layer" in between your video card and your monitor
you know, you very close to the truth.
Coz I found some OPPO smartphone researches, where they in software DC-dimming emulation, add grey overlay to made screen dark, but method is same - dithering! And what we all know, its chaotic pixel movement
My findigs talks, win10 got something in win10 2004 and later, when WDDM2.7 starts. Perhabs they started to use same interface dithering method as u describe… here is video what I talking about: https://filetransfer.io/data-package/iwnh2gOL
simplex I think the DC like dimming definitely is doing something weird like that because for example on my 13T when I enter DC dimming brightness levels I feel awful so I wonder if Xiaomi is using it too. For example brilliant labs "frame" smart glasses supposedly use FRC/dither as a brightness control so I'm sure alot of other people also are using it too on their devices. Btw I got brilliant labs to make a toggle to disable that, I may try them (off topic sorry)
jordan on my 13T
OPPO's research was in 2019, they publish this method after few attemps -> https://www.gizchina.com/2019/04/03/oppo-announces-dc-like-dimming-feature-for-coloros/
Finally, you use 13T without DC-dimming option? Have you measure it with OPPLE4?
I am afraid if modern laptop screens also use this method of dimming (look at their spec - DC dimming, DC current dimming control)
simplex yeah but I thought leds are either on or off. If adjusting voltage I thought they become super unstable flickering ?
Btw I came across this https://patents.google.com/patent/US20020147861A1/en
simplex also isnt this a form of dithering ?
https://www.qualcomm.com/news/onq/2016/04/smartphone-screens-are-now-smarter-under-sun-snapdragon-display-tech
Donux amdgpu.dither is not a real module parameter:
https://www.kernel.org/doc/html/v6.8/gpu/amdgpu/module-parameters.html
This is a chatgpt hallucination. There must be something else about your setup which helps alleviate your symptoms.
ensete On my Ideapad the difference between 4.15 and 5.4 is great. But I'm not surprised that my suggestion didn't work for you because I couldn't see any difference between kernels on my Thinkpad when I was trying out different kernels a few years ago.
Yes, let me know the results of your testing.
Is RDPing into your Lubuntu mini PC comfortable? What brand/model is your mini PC?
