Unable to open log device '/ dev / log / main': No such file ordirectory

 

real machine we use Android application debugging, and sometimes there will be unable to obtain debug information ,

 

following error message : Unable to open log device '/ dev / log / main': No such file or directory

 

 

This is because our phone is not opened log records , the following example to open Huawei c8812 mobile phone log function :

 

1, the dial-up interface type: * # * # 2846579 # * # * into the test menu interface.

 

2, Project Menu- background set -LOG settings

 

3, LOG -LOG switch to open LOG level set -VERBOSE

 

4, Dump & Log- Select All

 

5, restart the phone

 

 

 

this ok, go see it.