Hi. 

I have this error, when I was doing tkmedit PSY1001fs /Users/MRI/Desktop/fsurfer_test_kojima/Surf_data_main/PSY1001fs/mri/brainmask.mgz -aux /Users/MRI/Desktop/fsurfer_test_kojima/Surf_data_main/PSY1001fs/mri/wm.mgz -surfs

ERROR:
Assertion failed: (!c->out.queue_len), function write_vec, file xcb_conn.c, line 195.
Abort

what is the problem?

Kojima