我有一个奇怪的问题，我无法访问/删除或在我的SD卡上下载目录。 这是我从adb shell得到的：
root@hammerhead:/mnt/shell/emulated/0 # ls -l
drwxrwx--- root sdcard_r 2014-11-22 12:17 0
drwxrwx--- root sdcard_r 2014-11-20 16:16 ABF
drwxrwx--- root sdcard_r 1970-11-25 00:25 Alarms
drwxrwx--x root sdcard_r 2014-11-13 16:40 Android
drwxrwx--- root sdcard_r 2014-11-24 12:08 Bing
drwxrwx--- root sdcard_r 2014-11-13 22:55 DCIM
lstat './Download' failed: Permission denied
drwxrwx--- root sdcard_r 2014-11-22 09:23 ExtractedApks
drwxrwx--- root sdcard_r 2014-11-13 18:08 HyprmxShared
drwxrwx--- root sdcard_r 1970-11-25 00:25 Movies
drwxrwx--- root sdcard_r 1970-11-25 00:25 Music
drwxrwx--- root sdcard_r 2014-12-01 14:41 Nikon_WU
drwxrwx--- root sdcard_r 2014-11-13 18:06 Notifications
drwxrwx--- root sdcard_r 2014-11-26 11:34 Pictures
drwxrwx--- root sdcard_r 1970-11-25 00:25 Podcasts
drwxrwx--- root sdcard_r 1970-11-25 00:25 Ringtones
drwxrwx--- root sdcard_r 2014-12-06 20:26 SmartVoiceRecorder
drwxrwx--- root sdcard_r 2014-12-05 16:38 TitaniumBackup
drwxrwx--- root sdcard_r 2014-11-25 00:18 UnityAdsVideoCache
drwxrwx--- root sdcard_r 2014-11-15 09:53 WhatsApp
drwxrwx--- root sdcard_r 2014-12-05 15:32 airdroid
drwxrwx--- root sdcard_r 2014-11-13 19:10 amazonmp3
drwxrwx--- root sdcard_r 2014-11-17 00:13 aquery
drwxrwx--- root sdcard_r 2014-11-14 17:33 clockworkmod
drwxrwx--- root sdcard_r 2014-11-16 12:45 com.facebook.orca
drwxrwx--- root sdcard_r 2014-11-13 16:47 data
drwxrwx--- root sdcard_r 1970-11-24 22:28 legacy
drwxrwx--- root sdcard_r 2014-11-13 18:03 media
drwxrwx--- root sdcard_r 1970-11-24 22:24 obb
drwxrwx--- root sdcard_r 2014-12-05 15:56 ppy_cross
drwxrwx--- root sdcard_r 2014-11-13 17:55 romtoolbox
drwxrwx--- root sdcard_r 2014-12-05 15:32 storage
drwxrwx--- root sdcard_r 2014-11-15 05:58 stt-dump
root@hammerhead:/mnt/shell/emulated/0 # rm -R Download/
rm: Download: Permission denied
1|root@hammerhead:/mnt/shell/emulated/0 # lsattr -a Download
lsattr: stat Download: Permission denied
root@hammerhead:/mnt/shell/emulated/0 # chattr -i Download
chattr: stat Download: Permission denied
root@hammerhead:/mnt/shell/emulated/0 #
我也尝试在设备上使用终端模拟器，但是我得到了相同的错误，我无法查看或删除目录。 问题是我无法在设备上下载任何内容，因为无法访问下载目录。