Same issue with HP ZBook G3 with Quadro M1000M. Reverting to 450 drivers have resolved it for now, I also tried the 465 and 470 driver, these result in the same issue. There are various threads on the nvidia forum as well: - https://forums.developer.nvidia.com/t/regression-460-series-black-screen-on-boot-nvidia-modeset-error-gpu-failed-to-allocate-display-engine-core-dma-push-buffer/165598/8 - https://forums.developer.nvidia.com/t/regression-in-460-27-04-460-32-03-460-39-black-screen-nvidia-modeset-error-gpu-failed-to-allocate-display-engine-core-dma-push-buffer/167072/10 - https://forums.developer.nvidia.com/t/wake-from-sleep-freezes-with-460-driver/167231/2
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1911055 Title: [modeset][nvidia] suspend/resume broken in nvidia-460 : Display engine push buffer channel allocation failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-460/+bug/1911055/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
