How to get longer stack dump (tombstone) from android?

Question

As I have noticed, logcat returns always 34 lines of crashlog, like this:

4cf7c700  401c0000 
4cf7c704  48463ff0 
4cf7c708  44d11f7c  
4cf7c70c  afd0cd89 
4         


        

Answer 1

I suggest debugging the stack trace found in the tombstone file like the example below.

Example:

#00  pc 00010a20  /system/lib/libc.so
#01  pc 0000b332  /system/lib/libc.so
#02  pc 0000ca62  /system/lib/bluez-plugin/audio.so
#03  pc 0000d1ce  /system/lib/bluez-plugin/audio.so
#04  pc 0000e0ba  /system/lib/bluez-plugin/audio.so

You can use the command below to know the function name, file name and line no.

$(android-root)prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin/addr2line -f -e /out/product/xxx/symbols/system/ 

Example:

$(android-root)prebuilt/linux-x86/toolchain/arm-eabi-4.4.0/bin/addr2line -f -e /out/product/xxx/symbols/system/libc.so 0x00010a20