Please verify that the sysroot directory is copied correctly to the SD card. When doing the copy from the console, make sure to include the -L flag (always follow symbolic links in SOURCE).
E.g. cp -rL wrsdk-vxworks7-raspberrypi4b/vxsdk/sdcard/sysroot /media/dan/BA95-FF39/
This is a log section showing how to start Python on a Raspberry Pi 4 target running the VxWorks kernel from the 22.03 release of the RPi4 SDK. It’s important to include the rtpSpStackSize=0x1000000 step, as mentioned in the RPi4 SDK documentation.
-> rtpSpStackSize=0x1000000
rtpSpStackSize = 0xffffffff80c33230: value = 16777216 = 0x1000000
-> cmd
[vxWorks *]# cd /sd0a/
[vxWorks *]# python3
Launching process 'python3' ...
Process 'python3' (process Id = 0xffff8000004b6270) launched.
Python 3.9.5 (default, Mar 15 2022, 17:57:20)
[Clang 12.0.1.2 (http://bitbucket.wrs.com/scm/llvm/clang.git 6953a165f54ad1a885 on vxworks
Type "help", "copyright", "credits" or "license" for more information.
>>> >>> import os;os.name
'posix'
>>> import sys;sys.platform
'vxworks'
>>>
>>>
>>> ^D
[vxWorks *]#
[vxWorks *]#