I ran into this problem this afternoon, after half a day of annoying work, I finally solved it.
Solution: just remove * .cfg and monitor-workspace in $ HOME / .android /.
Below I found out how I solved the problem.
There is little information about this issue. I think this is a rare option.
. -, , . . Android Studio, .
, ddms . $HOME/.android/ .
*.cfg(3 4) ddms .
, *.cfg , ddms.cfg. .