ブラウザ未起動時に外部ブラウザで開いたらコンソールにこんなエラーが出てた
2017/05/08 0:16:05.350 com.apple.launchd.peruser.501[136]: ([0x0-0x49049].com.apple.Safari[483]) Exited with code: 1
2017/05/08 0:19:05.159 com.apple.launchd.peruser.501[136]: ([0x0-0x4f04f].com.google.Chrome[523]) Job appears to have crashed: Trace/BPT trap: 5