Lionel Trésaugues <lionel.tresaug...@gmail.com> writes: > First, thanks all of you to try to solve the issue I encounter with Debian. > > I will come back now to some of the points you mentioned in the discussion. > >> How important is it to you to be able to run Debian? Would it be >> worth some spectacles, or some new ones if you already wear them? >> (This solution worked for me.) >> >> Have you tried any of the rpm distros? > > I can live with other distributions than Debian, but I would like to > use it as a base to setup a very lightweight working environment.
You can probably have that with other distributions as well. > I found that the Ubuntu distribution contain a lot of extra-tools that > I would not need, and their use in cpu resources is slightly higher > than pure Debian (on the same hardware). Then don't install these tools or don't use them. What do you actually need? A window manager like fvwm or a tiling one like i3? Something like gnome or kde or xfce? > Nothing has really changed. This phenomenon appeared as soon as I > started to boot into fresh Debian installation. > >> A minimum refresh rate of 72Hz is recommended (same as average human >> heart rate) to minimize optical discomfort that you seem to be >> suffering. Less than that the screen will often jump about and make >> it difficult to see properly. See if you can do something about that. >> > I am running Ubuntu-based distro at 60Hz (on the same hardware) > without experiencing this problem. So it comes down to figure out what the difference between Debian and Ubuntu is in that regard. You could show us some screen shots, one from Debian, one from Ubuntu, showing the same thing (like a web page in a web browser or whatever application you use most of the time). Perhaps someone notices a difference. >> Do the fonts look different in Debian? If so, in which way? If >> they do, you could try to find out how they are rendered and try to >> have them rendered the same in Debian. > > The fonts (with the same hinting and antialiasing settings) look very > slightly blurrier on Debian than on Ubuntu. So that is one difference, and it can be what causes your troubles. Are you using the same fonts? Can you show us some screen shots and perhaps a magnified part of the screen, produced with something like xmag? Maybe looking at things through xmag reveals something that isn't visible without magnification. > Well, actually, I don't think the fonts might be the main > reason. Because the phenomenon seems to be very subjective, I tried to > explore this idea because I knew some major differences in how Debian > and Ubuntu deal with fonts existed. But the unpleasant feeling is > present (even if not so intense), just by looking at the background of > an empty desktop. It seems that the light is too intense, too violent > (even when I reduce the brightness) and that my eyes keep on adjusting > the focus with no interruption in an almost imperceptible manner. Are you using the same desktop backgrounds with the different distributions? > this. I mean, if I agree that we can't exclude the personal preference > issue, I am not physically allergic to the Debian environment ;) Maybe you are ;) >> Mmmm... At a first glance I see nothing wrong from the xrandr output, >> I mean, technically speaking both resolution and refresh rate values >> are right. > > Yes. Me neither. The only parameter I couldn't check (due to my lack > of knowledge) is the horizontal refresh rate. Any idea how I can get > this value ? Entries in /var/log/Xorg.0.log might give you some hints. If you're using the NVIDIA drivers, you can use the nvidia-settings program to modify some settings. -- Debian testing amd64 -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/87r4pxiiar....@yun.yagibdah.de
