Hey @tmedani,
It eventually did finish after approx. 72h. I expected it to take some time, but this seems really long to me - especially compared to the 1h EEG-computation. Here is the link to the channel file (and also again the mesh and cortices, just in case) 
https://uni-muenster.sciebo.de/s/4ny5D6KfppCV8pI
Best,
Yvonne