The last working driver with my card is 455.45.01. All more recent driver versions break with a black screen after loading of
nvidia-modeset: First, the screen goes black, then the backlight is toggled several times (about 10 times), finally it stays blank and dark. Logs show:
[ 0.088017] Kernel command line: root=UUID=32278c21-b19c-47e0-8466-420bbb5a1642 ro rd.dm=0 nvidia-drm.modeset=1 net.ifnames=0 pcie_aspm=force initrd=boot\initramfs-5.9.11-gentoo.img ... [ 3.143143] nvidia-nvlink: Nvlink Core is being initialized, major device number 240 [ 5.785170] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 460.39 Thu Jan 21 21:54:06 UTC 2021 [ 5.788860] nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for UNIX platforms 460.39 Thu Jan 21 21:49:04 UTC 2021 [ 5.790555] [drm] [nvidia-drm] [GPU ID 0x00000100] Loading driver [ 10.339660] [drm] Initialized nvidia-drm 0.0.0 20160202 for 0000:01:00.0 on minor 0 [ 35.303161] nvidia-modeset: ERROR: GPU:0: Display engine push buffer channel allocation failed: 0x65 (Call timed out [NV_ERR_TIMEOUT]) [ 35.304615] nvidia-modeset: ERROR: GPU:0: Failed to allocate display engine core DMA push buffer
I’ve attached a fresh
nvidia-bugreport here, with 460.39 on kernel 5.9.11:
nvidia-bug-report.log.gz (1.1 MB)
I’ve already reported this with
nvidia-bugreport for the older driver releases here:
- 460.27.04: Blank screen with 460.27.04
- 460.32.03: [Regression 460 series] Black screen on boot: nvidia-modeset: ERROR: GPU:0: Failed to allocate display engine core DMA push buffer
It had been suggested to enable CSM, but boot via UEFI, which sadly is not possible on this device (and also did not help another user with a similar issue).
Further ideas or an acknowledgement of this regression would be greatly appreciated.