555.58 kills HDMI signal with GTX1050Ti and GTX1070Ti - OK with GTX980M

Intel Xeon 32GB, Fedora 40, Kernel 6.9.7.
Install driver 555.58. Type # startx, then HDMI signal dies, with ‘no signal’ message on monitor (LG)

From dmesg:

[741262.454884] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 555.58 Tue Jun 18 20:52:44 UTC 2024
[741262.460555] nvidia_uvm: module uses symbols nvUvmInterfaceDisableAccessCntr from proprietary module nvidia, inheriting taint.
[741262.472250] nvidia-uvm: Loaded the UVM driver, major device number 234.
[741262.474316] nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for UNIX platforms 555.58 Tue Jun 18 20:24:43 UTC 2024
[741262.476291] [drm] [nvidia-drm] [GPU ID 0x00000300] Loading driver
[741262.476294] [drm] Initialized nvidia-drm 0.0.0 20160202 for 0000:03:00.0 on minor 0
[741262.481217] [drm] [nvidia-drm] [GPU ID 0x00000300] Unloading driver
[741262.504301] nvidia-modeset: Unloading
[741262.529022] nvidia-uvm: Unloaded the UVM driver.
[741262.547359] nvidia-nvlink: Unregistered Nvlink Core, major device number 236

[741288.011303] nvidia-nvlink: Nvlink Core is being initialized, major device number 236

[741288.012649] nvidia 0000:03:00.0: vgaarb: VGA decodes changed: olddecodes=none,decodes=none:owns=io+mem
[741288.226734] NVRM: loading NVIDIA UNIX x86_64 Kernel Module 555.58 Tue Jun 18 20:52:44 UTC 2024
[741288.230569] nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for UNIX platforms 555.58 Tue Jun 18 20:24:43 UTC 2024
[741288.232348] [drm] [nvidia-drm] [GPU ID 0x00000300] Loading driver
[741289.165293] [drm] Initialized nvidia-drm 0.0.0 20160202 for 0000:03:00.0 on minor 0
[741310.171080] nvidia_uvm: module uses symbols nvUvmInterfaceDisableAccessCntr from proprietary module nvidia, inheriting taint.
[741310.183161] nvidia-uvm: Loaded the UVM driver, major device number 234.
[741392.566297] [drm:drm_new_set_master [drm]] ERROR [nvidia-drm] [GPU ID 0x00000300] Failed to grab modeset ownership
[741392.566425] [drm:drm_new_set_master [drm]] ERROR [nvidia-drm] [GPU ID 0x00000300] Failed to grab modeset ownership

[741438.557798] [drm:drm_new_set_master [drm]] ERROR [nvidia-drm] [GPU ID 0x00000300] Failed to grab modeset ownership
[741438.557925] [drm:drm_new_set_master [drm]] ERROR [nvidia-drm] [GPU ID 0x00000300] Failed to grab modeset ownership
[741438.809276] [drm:drm_new_set_master [drm]] ERROR [nvidia-drm] [GPU ID 0x00000300] Failed to grab modeset ownership
[741438.809407] [drm:drm_new_set_master [drm]] ERROR [nvidia-drm] [GPU ID 0x00000300] Failed to grab modeset ownership

Problem occurs with GTX1050Ti, and also with GTX 1070Ti (immediately after driver loads, before startx), but GTX980M works OK.
Workaround, is to revert to driver 550.90.07, which works correctly.
Update: Tested Wayland (# startplasma-wayland), and that also failed…
Log enclosed.
nvidia-bug-report.log.gz (565.5 KB)

Hi @rgadsdon
Please configure your Xorg configuration use the NVIDIA driver, you can use command “sudo nvidia-xconfig -a” for the same.
Also try to enable nvidia-drm.modeset=1as kernel parameter and if issue still persists, please share fresh nvidia bug report again.

Ran # sudo nvidia-xconfig -a, and already have nvidia-drm.modeset=1 as a kernel parameter. No change. Problem still occurs. New log file enclosed…
nvidia-bug-report.log.gz (500.9 KB)

Just tested 555.58.02, and this also fails, with the same issue…

Clarification: Connection at monitor is HDMI, but at card is DVI… I have seen another post that mentions loss of DVI signal, so will test with HDMI-toHDMI to see if that works…

Connecting HDMI to HDMI, after # startx, KDE logo displayed, but then flickers and screen goes blank.
Log file enclosed:
nvidia-bug-report.log.gz (1.5 MB)

Tested with new 560.28.03, and this fails as well…
Bug report enclosed…
nvidia-bug-report.log.gz (491.2 KB)