The test results you have selected are very old and may not represent the current state of Wine.
Selected Test Results (selected in 'Test Results' table below)
Map display, track/points load from file and display, downloading tracks and points from Garmin eTrex Venture Cx GPS.
What does not
Help windows on first startup are displayed empty.
Clicking links in help window sometimes leads to empty help window.
What was not tested
Map calibration, GPS track uploading. Installing OziExplorer (used pre-installed app from Windows installation).
GPS setup steps:
Plug the device in via USB cable
sudo modprobe garmin_gps
ln -s /dev/ttyUSB0 com1
configure OziExplorer to communicate with GPS via COM 1 (not USB)
set 'Serial Port Driver' in OziExplorer to 'Driver 1' (otherwise the communication is terribly slow)