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История изменений

Исправление peregrine, (текущая версия) :

Вероятно по этому: 

optirun -c yuv glxspheres
Polygons in scene: 62464 (61 spheres * 1024 polys/spheres)
GLX FB config ID of window: 0x10d (8/8/8/0)
Visual ID of window: 0x21
Context is Direct
OpenGL Renderer: GeForce GT 750M/PCIe/SSE2
[VGL] ERROR: Could not connect to VGL client.  Make sure that vglclient is
[VGL]    running and that either the DISPLAY or VGL_CLIENT environment
[VGL]    variable points to the machine on which vglclient is running.
[VGL] ERROR: in connect--
[VGL]    282: Connection refused
И по этому: 
optirun nvidia-settings

ERROR: Unable to load info from any available system

optirun nvidia-smi
NVIDIA-SMI couldn't find libnvidia-ml.so library in your system. Please make sure that the NVIDIA Display Driver is properly installed and present in your system.
Please also try adding directory that contains libnvidia-ml.so to your system PATH.

find /lib/modules/`uname -r` -type f -name "nvidia*"
/lib/modules/5.3.18-lp152.47-default/updates/nvidia.ko
/lib/modules/5.3.18-lp152.47-default/updates/nvidia-uvm.ko
/lib/modules/5.3.18-lp152.47-default/updates/nvidia-drm.ko
/lib/modules/5.3.18-lp152.47-default/updates/nvidia-modeset.ko

optirun glxinfo|egrep "OpenGL vendor|OpenGL renderer"
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GT 750M/PCIe/SSE2

lspci -k| grep -EA2 'VGA|3D'
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
        Subsystem: CLEVO/KAPOK Computer Device 0650
        Kernel driver in use: i915
--
01:00.0 3D controller: NVIDIA Corporation GK107M [GeForce GT 750M] (rev ff)
        Kernel modules: nouveau, nvidia_drm, nvidia
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)

optirun lspci -k| grep -EA2 'VGA|3D'
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
        Subsystem: CLEVO/KAPOK Computer Device 0650
        Kernel driver in use: i915
--
01:00.0 3D controller: NVIDIA Corporation GK107M [GeForce GT 750M] (rev a1)
        Subsystem: CLEVO/KAPOK Computer Device 0650
        Kernel driver in use: nvidia
Т.е. вроде драйвер есть, а вроде и нет его. Хотя может в сусе рукожопы на что-то симлинк не сделали. А может разрабы кед подсуетились.

Исправление peregrine, :

Вероятно по этому: 

optirun -c yuv glxspheres
Polygons in scene: 62464 (61 spheres * 1024 polys/spheres)
GLX FB config ID of window: 0x10d (8/8/8/0)
Visual ID of window: 0x21
Context is Direct
OpenGL Renderer: GeForce GT 750M/PCIe/SSE2
[VGL] ERROR: Could not connect to VGL client.  Make sure that vglclient is
[VGL]    running and that either the DISPLAY or VGL_CLIENT environment
[VGL]    variable points to the machine on which vglclient is running.
[VGL] ERROR: in connect--
[VGL]    282: Connection refused
И по этому: 
optirun nvidia-settings

ERROR: Unable to load info from any available system

optirun nvidia-smi
NVIDIA-SMI couldn't find libnvidia-ml.so library in your system. Please make sure that the NVIDIA Display Driver is properly installed and present in your system.
Please also try adding directory that contains libnvidia-ml.so to your system PATH.

find /lib/modules/`uname -r` -type f -name "nvidia*"
/lib/modules/5.3.18-lp152.47-default/updates/nvidia.ko
/lib/modules/5.3.18-lp152.47-default/updates/nvidia-uvm.ko
/lib/modules/5.3.18-lp152.47-default/updates/nvidia-drm.ko
/lib/modules/5.3.18-lp152.47-default/updates/nvidia-modeset.ko

optirun glxinfo|egrep "OpenGL vendor|OpenGL renderer"
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GT 750M/PCIe/SSE2

lspci -k| grep -EA2 'VGA|3D'
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
        Subsystem: CLEVO/KAPOK Computer Device 0650
        Kernel driver in use: i915
--
01:00.0 3D controller: NVIDIA Corporation GK107M [GeForce GT 750M] (rev ff)
        Kernel modules: nouveau, nvidia_drm, nvidia
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)

optirun lspci -k| grep -EA2 'VGA|3D'
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
        Subsystem: CLEVO/KAPOK Computer Device 0650
        Kernel driver in use: i915
--
01:00.0 3D controller: NVIDIA Corporation GK107M [GeForce GT 750M] (rev a1)
        Subsystem: CLEVO/KAPOK Computer Device 0650
        Kernel driver in use: nvidia
Т.е. вроде драйвер есть, а вроде и нет его. Хотя может в сусе рукожопы на что-то симлинк не сделали.

Исходная версия peregrine, :

Вероятно по этому: 

optirun -c yuv glxspheres
Polygons in scene: 62464 (61 spheres * 1024 polys/spheres)
GLX FB config ID of window: 0x10d (8/8/8/0)
Visual ID of window: 0x21
Context is Direct
OpenGL Renderer: GeForce GT 750M/PCIe/SSE2
[VGL] ERROR: Could not connect to VGL client.  Make sure that vglclient is
[VGL]    running and that either the DISPLAY or VGL_CLIENT environment
[VGL]    variable points to the machine on which vglclient is running.
[VGL] ERROR: in connect--
[VGL]    282: Connection refused
И по этому: 
optirun nvidia-settings

ERROR: Unable to load info from any available system

optirun nvidia-smi
NVIDIA-SMI couldn't find libnvidia-ml.so library in your system. Please make sure that the NVIDIA Display Driver is properly installed and present in your system.
Please also try adding directory that contains libnvidia-ml.so to your system PATH.

find /lib/modules/`uname -r` -type f -name "nvidia*"
/lib/modules/5.3.18-lp152.47-default/updates/nvidia.ko
/lib/modules/5.3.18-lp152.47-default/updates/nvidia-uvm.ko
/lib/modules/5.3.18-lp152.47-default/updates/nvidia-drm.ko
/lib/modules/5.3.18-lp152.47-default/updates/nvidia-modeset.ko

optirun glxinfo|egrep "OpenGL vendor|OpenGL renderer"
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GT 750M/PCIe/SSE2

lspci -k| grep -EA2 'VGA|3D'
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
        Subsystem: CLEVO/KAPOK Computer Device 0650
        Kernel driver in use: i915
--
01:00.0 3D controller: NVIDIA Corporation GK107M [GeForce GT 750M] (rev ff)
        Kernel modules: nouveau, nvidia_drm, nvidia
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)

optirun lspci -k| grep -EA2 'VGA|3D'
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
        Subsystem: CLEVO/KAPOK Computer Device 0650
        Kernel driver in use: i915
--
01:00.0 3D controller: NVIDIA Corporation GK107M [GeForce GT 750M] (rev a1)
        Subsystem: CLEVO/KAPOK Computer Device 0650
        Kernel driver in use: nvidia
Т.е. вроде драйвер есть, а вроде и нет его.