I just wanted to add that I am experiencing the same issue but with an external drive that I formatted ext4. There doesn't seem to be any consistency to when it happens, sometimes after a few gb have copied and sometimes after only a few mb. Only way out for me seems to be a hard reboot.
I just wanted to add that I am experiencing the same issue but with an external drive that I formatted ext4. There doesn't seem to be any consistency to when it happens, sometimes after a few gb have copied and sometimes after only a few mb. Only way out for me seems to be a hard reboot.