Client and server are both Fedora 26 machines running 2.X trunk r17951
After opening the Session Info window, the following traceback is printed (after about a second):
Traceback (most recent call last): File "/usr/lib64/python2.7/site-packages/xpra/client/gtk_base/session_info.py", line 646, in populate_tab if not self.populate_cb(): File "/usr/lib64/python2.7/site-packages/xpra/client/gtk_base/session_info.py", line 1056, in populate_graphs pixel_scale, in_pixels = values_to_scaled_values(tuple(self.pixel_in_data)[3:N_SAMPLES+4], min_scaled_value=100) File "/usr/lib64/python2.7/site-packages/xpra/simple_stats.py", line 55, in values_to_scaled_values data.insert(0, None) AttributeError: 'tuple' object has no attribute 'insert'
After which, the charts no longer work.
this ticket has been moved to: https://github.com/Xpra-org/xpra/issues/1736