Black screen when set to graphical.target
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  1. #1
    Join Date
    Feb 2018
    Location
    Tokyo Japan
    Posts
    21

    Black screen when set to graphical.target

    Hi all,

    I reinstalled F28 beta on my desktop from scratch. However in my environment, graphical interface (gdm with X Window) doesn't work at all. On another machine (notebook) F28 is working properly.

    The big difference is that my desktop has two nvidia graphic cards and Intel integrated graphics. The processor is 4th generation core i7-4790K. I use nvidia cards for calculation ONLY (running boinc projects: but as a matter of course I installed nvidia driver for opencl/cuda), and Intel integrated graphics for display. To enable Intel graphics, I explicitly put a definition file named /etc/X11/xorg.conf.d/20-display, inside is
    Code:
    Section "Device"
        Identifier "Intel Graphics"
        Driver "intel"
    EndSection
    During installation, Intel graphics worked very nicely, but after I installed nvidia graphics driver (or I don't know when) Intel graphics doesn't work at all. Only multi-user mode (console mode) works. If I invoke "systemctl isolate graphical.target", the screen turns black, but signal is still going out. The display monitor doesn't say "signal loss". Nvidia cards are nicely calculating with no display, no signal.

    For sure, I disabled selinux.

    I have been doing this with F27, but it doesn't work with F28.

    Will anyone help me?

    best regards,

    -Tetsuji

  2. #2
    Join Date
    Feb 2018
    Location
    Tokyo Japan
    Posts
    21

    Re: Black screen when set to graphical.target

    Sorry....I was tired. I went back to F27. I will give F28 a try when it is officially released. Even boinc calculation became unstable and stopped suddenly and silently.
    Last edited by maverick6664; 28th April 2018 at 10:32 AM.

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