When the bug occurs, the Nvidia card seems to be present at first (along with my integrated graphics):
# ls -l /dev/dri total 0 drwxr-xr-x 2 root root 120 Feb 4 17:34 by-path crw-rw----+ 1 root video 226, 1 Feb 4 17:34 card1 crw-rw----+ 1 root video 226, 2 Feb 4 17:34 card2 crw-rw----+ 1 root render 226, 128 Feb 4 17:34 renderD128 crw-rw----+ 1 root render 226, 129 Feb 4 17:34 renderD129 But the Nvidia card isn't usable: # drm_info /dev/dri/card2 /dev/dri/card2: Invalid argument -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2096642 Title: No outputs detected on Nvidia 560 with kernel 6.12 Status in linux package in Ubuntu: Confirmed Status in nvidia-graphics-drivers-560 package in Ubuntu: Confirmed Bug description: With linux-kernel 6.12.0-10-generic the desktop is not shown on my Ubuntu 25.04 system using KDE. I only see a black screen with a blinking text cursor. I cannot switch to alternative desktops. 0b:00.0 VGA compatible controller: NVIDIA Corporation GP106 [GeForce GTX 1060 6GB] (rev a1) 0b:00.1 Audio device: NVIDIA Corporation GP106 High Definition Audio Controller (rev a1) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2096642/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
