- Unplug and plug your device
- Switch ON/OFF the developer option – USB debugging
- Clicking at the device on DDMS-Device tab
- Use command "adb logcat -c" followed by unplug/plug device.
- On DDMS-Device tab, click the down triangle, choose “Reset adb”
- Huawei device: *#*#2846579#*#* Go ProjectMenu / Background Setting / Log setting
- Use app to show logcat, such as CatLog (play.google.com/store/apps/details?id=com.nolanlawson.logcat
- Run “echo 1 > /sys/kernel/logger/log_main/enable” in “adb shell”
[1] http://stackoverflow.com/questions/2250112/why-doesnt-logcat-show-anything-in-my-android/2945333#2945333
[2] http://stackoverflow.com/questions/3823934/android-the-ddms-shows-the-message-logcat-read-invalid-argument
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