I installed Fedora 22 TC8 in qemu-kvm using these options: nice ionice -c 3 qemu-kvm -machine pc-1.3 -enable-kvm -global qxl.ram_size=1x1024 -m 2048M -smp 2 -drive file=./Fedora-Live-Workstation-x86_64-22_Alpha-TC8.iso.qcow2,index=0,media=disk,cache=unsafe -localtime -serial file:/tmp/qemu-Fedora-Live-Workstation-x86_64-22_Alpha-TC8.iso.qcow2-output.log -name Fedora-Live-Workstation-x86_64-22_Alpha-TC8.iso.qcow2 -cdrom /local/mfabian/iso/f22-TC8/Fedora-Live-Workstation-x86_64-22_Alpha-TC8.iso -boot c -spice port=6000,disable-ticketing,streaming-video=off -vga qxl -display vnc=:4 -net nic -net user,hostname=Fedora-Live-Workstation-x86_64-22_Alpha-TC8.iso.qcow2,hostfwd=tcp::5560-:22 -monitor stdio -usb - Installation done in Japanese - In gdm, log in to Gnome session (Wayland or X11, doesn’t matter, the problem occurs in both cases. - log out of Gnome → black screen, no gdm anymore, I cannot log in again.
While logged in to the Gnome session: [mfabian@Fedora-Live-Workstation-x86_64-2 ~]$ ps aux |grep X gdm 1188 0.0 1.1 207804 24200 tty1 Sl+ 12:59 0:00 /usr/bin/Xwayland :0 -rootless -noreset -listen 30 -listen 31 -displayfd 32 root 1529 0.8 1.7 238648 34964 ? Sl 13:03 0:05 /usr/libexec/Xorg vt2 -displayfd 3 -auth /run/user/1000/gdm/Xauthority -nolisten tcp -background none -noreset -keeptty -verbose 3 mfabian 3675 0.0 0.1 114352 2284 pts/1 S+ 13:15 0:00 grep --color=auto X [mfabian@Fedora-Live-Workstation-x86_64-2 ~]$ After logging out: [mfabian@Fedora-Live-Workstation-x86_64-2 ~]$ ps aux |grep X gdm 1188 0.0 1.1 207804 24200 tty1 Sl+ 12:59 0:00 /usr/bin/Xwayland :0 -rootless -noreset -listen 30 -listen 31 -displayfd 32 mfabian 3814 0.0 0.1 114352 2260 pts/1 R+ 13:15 0:00 grep --color=auto X [mfabian@Fedora-Live-Workstation-x86_64-2 ~]$ So gdm is still running, but it shows a black screen only.
By logging in remotely via ssh and restarting gdm: sudo systemctl restart gdm.service gdm becomes visible again and I can login again.
I suspect it's a problem with VT switching, I've been able to recover the login screen w/out restarting gdm by switching to VT2 and then back to VT1.
The problem remains on Fedora-Live-Workstation-x86_64-22_Alpha-3.iso (Fedora 22 Alpha).
It seems to work in Fedora-Live-Workstation-x86_64-22_Beta-3.iso
I confirm this bug. Or, i see logscreen background without login availability, some time. $ sudo dnf update Last metadata expiration check performed 0:33:40 ago on Fri Jul 17 19:50:42 2015. Dependencies resolved. Nothing to do. Complete! $ rpm -q gnome-shell gdm gnome-shell-3.16.3-1.fc22.x86_64 gdm-3.16.2-1.fc22.x86_64 On thinkpad t450s (intel broadwell gpu only)
This issue still happens sometimes on Fedora 23, especially after logging out from a plasma session. Intel Core i5 (1st Generation) iGPU here.
Fedora 22 changed to end-of-life (EOL) status on 2016-07-19. Fedora 22 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.
This issue is still present on Fedora 24 when logging out from plasma sessions or when any GUI user session crashes. Please reopen this bug and change version to 24. Workaround: Sysrq "K" to kill current TTY (gdm). When gdm restarts, it works fine.