No devices detected for NVIDIA card.

[Kovacs Zoltan]

Dear all!
When I start Xorg on a laptop with FreeBSD 11.1-RELEASE it falls back with the message "No devices detected".
However, the nvidia drives is loaded:
dmesg | grep nvidia
gives
nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver  for UNIX platforms 384.90 Tue Sep 19 17:29:32 PDT 2017nvidia1: <GeForce MX150> on vgapci1vgapci1: child nvidia1 requested pci_enable.iovgapci1: child nvidia1 requested pci_enable.io

sysctl -a | grep nvidia 
gives 
kern.geom.raid.nvidia.enable: 1hw.nvidia.gpus.1.type: PCIehw.nvidia.gpus.1.uuid: GPU-????????-????-????-????-????????????hw.nvidia.gpus.1.vbios: ??:??:??hw.nvidia.gpus.1.irq: 266hw.nvidia.gpus.1.model: GeForce MX150hw.nvidia.registry.dwords:hw.nvidia.registry.EnableStreamMemOPs: 0hw.nvidia.registry.UseThreadedInterrupts: 1hw.nvidia.registry.TCEByPassMode: 0hw.nvidia.registry.MemoryPoolSize: 0hw.nvidia.registry.EnablePCIeGen3: 0hw.nvidia.registry.CheckPCIConfigSpace: 4294967295hw.nvidia.registry.InitializeSystemMemoryAllocations: 1hw.nvidia.registry.UpdateMemoryTypes:  4294967295hw.nvidia.registry.DeviceFileMode: 438hw.nvidia.registry.DeviceFileGID: 0hw.nvidia.registry.DeviceFileUID: 0hw.nvidia.registry.ModifyDeviceFiles: 1hw.nvidia.registry.RmLogonRC: 1hw.nvidia.registry.ResmanDebugLevel:  4294967295hw.nvidia.registry.Mobile:  4294967295hw.nvidia.version: NVIDIA UNIX x86_64 Kernel Module  384.90 Tue Sep 19 19:17:35 PTD 2017hw.nvidia.1.wake: 0

The NVIDIA section in  the file /var/log/Xorg.0.log is given by
[   151.300] (II) Module glx: vendor="NVIDIA Corporation"[   151.300]    compiled for 4.0.2, module version = 1.0.0[   151.300]    Module class: X.Org Server Extension[   151.300] (II) NVIDIA GLX Module 384.90 Tue Sep 19 17:25:09 PDT 2017[   151.300] (II) LoadModule: "nvidia"[   151.300] (II) Loading /usr/local/lib/xorg/modules/drivers/nvidia_drv.so[   151.300]    compiled  for 4.0.2, module version = 1.0.0[   151.300]    Module class: X.Org Server Extension[   151.300] (II) NVIDIA dlloader X Driver  384.90 Tue Sep 19:02:53 PDT 2017 [   151.300] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs[   151.300] (--) Using syscons driver with X support (version 2.0) [   151.300] (--) using VT number 9 [   151.324] (EE) No devices detected.[   151.324] (EE) Fatal server error:[   151.324] (EE)  no screens found(EE)[   151.324] (EE) Please consult the X.Org Foundation support               at http://wiki.x.org   for help.[   151.324] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.[   151.324] (EE) [   151.341] (EE) Server terminated with error (1). Closing log file.
Does any one have similar problems?  
Kind regards,Zoltan