I trimmed down the last message by getting it to fail again. The failure was noticed around 14:22. Apparently the GPU has fallen off the bus
journalctl -b 0 -g nvidia
Jul 19 14:19:46 p1g7 kernel: nvidia: loading out-of-tree module taints kernel.
Jul 19 14:19:46 p1g7 kernel: nvidia-nvlink: Nvlink Core is being initialized, major device number 509
Jul 19 14:19:46 p1g7 kernel: nvidia 0000:01:00.0: enabling device (0000 -> 0003)
Jul 19 14:19:46 p1g7 kernel: NVRM: loading NVIDIA UNIX Open Kernel Module for x86_64 610.43.03 Release Build (dvs-builder@U22-I3-AD05-33-5) Tue Jun 30>
Jul 19 14:19:47 p1g7 kernel: nvidia-modeset: Loading NVIDIA UNIX Open Kernel Mode Setting Driver for x86_64 610.43.03 Release Build (dvs-builder@U22-I3>
Jul 19 14:19:47 p1g7 kernel: [drm] [nvidia-drm] [GPU ID 0x00000100] Loading driver
Jul 19 14:19:47 p1g7 systemd[1]: Started nvidia-powerd.service - nvidia-powerd service.
Jul 19 14:19:47 p1g7 audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='unit=nvidia-powerd comm="sys>
Jul 19 14:19:47 p1g7 nvidia-powerd[1358]: nvidia-powerd version:2.0 (build 1)
Jul 19 14:19:49 p1g7 kernel: nvidia-modeset: WARNING: GPU:0: Correcting number of heads for current head configuration (0x00)
Jul 19 14:19:49 p1g7 kernel: [drm] Initialized nvidia-drm 0.0.0 for 0000:01:00.0 on minor 0
Jul 19 14:19:49 p1g7 kernel: nvidia 0000:01:00.0: [drm] No compatible format found
Jul 19 14:19:49 p1g7 kernel: nvidia 0000:01:00.0: [drm] Cannot find any crtc or sizes
Jul 19 14:19:49 p1g7 systemd[1]: nvidia-fallback.service - Fallback to nouveau as nvidia did not load skipped, unmet condition check ConditionPathExists=!>
Jul 19 14:19:51 p1g7 kernel: nvidia-modeset: WARNING: GPU:0: Correcting number of heads for current head configuration (0x00)
Jul 19 14:19:57 p1g7 kernel: nvidia-modeset: WARNING: GPU:0: Correcting number of heads for current head configuration (0x00)
Jul 19 14:19:59 p1g7 systemd[2284]: Starting app-nvidia\x2dsettings\x2duser@autostart.service - nvidia-settings...
Jul 19 14:19:59 p1g7 systemd[2284]: Started app-nvidia\x2dsettings\x2duser@autostart.service - nvidia-settings.
Jul 19 14:20:01 p1g7 kernel: nvidia-modeset: WARNING: GPU:0: Correcting number of heads for current head configuration (0x00)
Jul 19 14:22:45 p1g7 kernel: NVRM: Xid (PCI:0000:01:00): 79, pid=4473, name=nvidia-smi, GPU has fallen off the bus.
Jul 19 14:22:45 p1g7 kernel: CPU: 3 UID: 1000 PID: 4478 Comm: nvidia-smi Tainted: G O 7.1.3-201.fc44.x86_64 #1 PREEMPT(lazy)
Jul 19 14:22:45 p1g7 kernel: _kgspRpcRecvPoll+0x716/0x13e0 [nvidia]
Jul 19 14:22:45 p1g7 kernel: ? os_get_system_time+0x3b/0x90 [nvidia]
Jul 19 14:22:45 p1g7 kernel: ? _kgspRpcSendMessage+0xd3/0x190 [nvidia]
Jul 19 14:22:45 p1g7 kernel: _issueRpcAndWait+0xdd/0x920 [nvidia]
Jul 19 14:22:45 p1g7 kernel: ? FinnRmApiGetSerializedSize+0x3c/0xb0 [nvidia]
Jul 19 14:22:45 p1g7 kernel: ? osGetCurrentThread+0x26/0x60 [nvidia]
Jul 19 14:22:45 p1g7 kernel: rpcRmApiControl_GSP+0x76f/0x940 [nvidia]
Jul 19 14:22:45 p1g7 kernel: getGpuInfos+0x828/0x960 [nvidia]
Jul 19 14:22:45 p1g7 kernel: resControl_IMPL+0x1b1/0x1c0 [nvidia]
Jul 19 14:22:45 p1g7 kernel: gpuresControl_IMPL+0x4c/0xa0 [nvidia]
Jul 19 14:22:45 p1g7 kernel: serverControl+0x47e/0x590 [nvidia]
Jul 19 14:22:45 p1g7 kernel: _rmapiRmControl+0x4f2/0x820 [nvidia]
Jul 19 14:22:45 p1g7 kernel: rmapiControlWithSecInfo+0x79/0x140 [nvidia]
Jul 19 14:22:45 p1g7 kernel: rmapiControlWithSecInfoTls+0x8f/0xf0 [nvidia]
Jul 19 14:22:45 p1g7 kernel: _nv04ControlWithSecInfo+0x8d/0xa0 [nvidia]
Jul 19 14:22:45 p1g7 kernel: RmIoctl+0x934/0xda0 [nvidia]
Jul 19 14:22:45 p1g7 kernel: ? os_acquire_spinlock+0x12/0x30 [nvidia]
Jul 19 14:22:45 p1g7 kernel: ? portSyncSpinlockAcquire+0x18/0x30 [nvidia]
Jul 19 14:22:45 p1g7 kernel: ? rm_ioctl+0x52/0x4e0 [nvidia]
Jul 19 14:22:45 p1g7 kernel: rm_ioctl+0x66/0x4e0 [nvidia]
Jul 19 14:22:45 p1g7 kernel: nvidia_ioctl.isra.0+0x797/0xa70 [nvidia]
Jul 19 14:22:45 p1g7 kernel: nvidia_unlocked_ioctl+0x1d/0x30 [nvidia]