Description of problem: Blinking black screen after plymouth. Can't use SDDM to login into system. Version-Release number of selected component (if applicable): xorg-x11-drv-nouveau = 1:1.0.14-1.fc25.x86_64 sddm.x86_64 = 0.14.0-7.fc25 KDE Plasma. How reproducible: Always. Steps to Reproduce: 1. Upgrade xorg-x11-drv-nouveau to 1:1.0.14-1.fc25.x86_64. 2. Start Fedora with SDDM login manager (KDE Plasma DE). 3. Actual results: Blinking black screen. Expected results: Additional info: Downgrade xorg-x11-drv-nouveau to 1:1.0.13-1.fc25.x86_64 fixes this problem. Video card: NVIDIA GTX 760.
xorg-x11-drv-nouveau-1.0.14-2.fc25 has been submitted as an update to Fedora 25. https://bodhi.fedoraproject.org/updates/FEDORA-2017-fab97376e7
xorg-x11-drv-nouveau-1.0.14-2.fc25 has been pushed to the Fedora 25 stable repository. If problems still persist, please make note of it in this bug report.