[Android-development] Debugging on device, any success?

[Ray Donnelly]

On Mon, Sep 29, 2014 at 4:31 PM, Harri Pasanen <harri at mpaja.com> wrote:
> Hi,
>
> I wonder if everybody else is happily debugging on Android and it is just me
> who is having issues?
>
> I'm not able to debug anything on my Nexus 7 tablet, gdb times out.  Qt
> 5.3.2, Kubuntu 14.04 amd64 host

Which version of the NDK did you use? I'd try with r10b if you haven't already.

>
> Almost immediately after startup I get the message box:
>
> Connecting to remote server failed:
> Remote communication error.  Target disconnected.:
> Connection reset by peer.
>
>
> Not sure if I should post here or at qt-creator list.
>
> Anyway, some log snippets below, full logs on request.
>
> Harri
>
>
>
>
>
> It appears to initialize after some ping/pong:
>
> I/Qt JAVA ( 3628): DEBUGGER: waiting for pong at
> /data/local/tmp/qt/debug-pong-com.mpaja.mbraille2, attempt 5
>
> I/Qt JAVA ( 3628): DEBUGGER: go to sleep
>
> I/Qt JAVA ( 3628): DEBUGGER: waiting for pong at
> /data/local/tmp/qt/debug-pong-com.mpaja.mbraille2, attempt 6
>
> I/Qt JAVA ( 3628): DEBUGGER: go to sleep
>
> Could not load shared library symbols for 96 libraries, e.g.
> /system/bin/linker.
>
> Use the "info sharedlibrary" command to see the complete listing.
>
> Do you need "set solib-search-path" or "set sysroot"?Unable to find dynamic
> linker breakpoint function.
>
> GDB will retry eventurally. Meanwhile, it is likely
>
> that GDB is unable to debug shared library initializers
>
> or resolve pending breakpoints after dlopen().I/Qt JAVA ( 3628): DEBUGGER:
> waiting for pong at /data/local/tmp/qt/debug-pong-com.mpaja.mbraille2,
> attempt 7
>
> I/Qt JAVA ( 3628): DEBUGGER: got pong
> /data/local/tmp/qt/debug-pong-com.mpaja.mbraille2
>
>
> But then dies shortly after.
>
>
> Looking at the debugger log in qt creator, it says:
>
>
>
> ENGINE SUCCESSFULLY STARTED
>
> dNOTE: ENGINE SETUP OK
>
> dState changed from EngineSetupRequested(1) to EngineSetupOk(3) [master]
>
> dQUEUE: SETUP INFERIOR
>
> dState changed from EngineSetupOk(3) to InferiorSetupRequested(4) [master]
>
> dQUEUE: SETUP INFERIOR
>
>
>>1245^done
>
>
>>&"set debug-file-directory
>> /usr/lib/debug:/tmp/ndk-andrewhsieh/build/toolchain/prefix/lib/debug\n"
>
>>1246^done
>
>
> dCALL: SETUP INFERIOR
>
> <1247set solib-search-path
> /home/harri/projects/mbraille-qt/build-MBraille-Android_for_armeabi_v7a_GCC_4_8_Qt_5_3_2-Debug:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/sensors:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/qmltooling:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/sqldrivers:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/audio:/home/harri/Qt5.3.2/5.3/android_armv7/imports/Qt/labs/folderlistmodel:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/video/videonode:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/accessible:/home/harri/Qt5.3.2/5.3/android_armv7/imports/Qt/labs/shaders:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/generic:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/qml1tooling:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/imageformats:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/platforms:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/platforms/android:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/sensorgestures:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/bearer:/home/harri/Qt5.3.2
> /5.3/andr
> oid_armv7/plugins/iconengines:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/playlistformats:/home/harri/Qt5.3.2/5.3/android_armv7/lib:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/position:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/mediaservice:/home/harri/Qt5.3.2/5.3/android_armv7/imports/Qt/labs/particles:/home/harri/Qt5.3.2/5.3/android_armv7/imports/Qt/labs/gestures
>
> <1248-file-exec-and-symbols
> "/home/harri/projects/mbraille-qt/build-MBraille-Android_for_armeabi_v7a_GCC_4_8_Qt_5_3_2-Debug/app_process"
>
>>&"set solib-search-path
>> /home/harri/projects/mbraille-qt/build-MBraille-Android_for_armeabi_v7a_GCC_4_8_Qt_5_3_2-Debug:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/sensors:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/qmltooling:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/sqldrivers:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/audio:/home/harri/Qt5.3.2/5.3/android_armv7/imports/Qt/labs/folderlistmodel:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/video/videonode:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/accessible:/home/harri/Qt5.3.2/5.3/android_armv7/imports/Qt/labs/shaders:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/generic:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/qml1tooling:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/imageformats:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/platforms:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/platforms/android:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/sensorgestures:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/bearer:/home/harri/Qt5.3.2
>> /5.3/andr
>> oid_armv7/plugins/iconengines:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/playlistformats:/home/harri/Qt5.3.2/5.3/android_armv7/lib:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/position:/home/harri/Qt5.3.2/5.3/android_armv7/plugins/mediaservice:/home/harri/Qt5.3.2/5.3/android_armv7/imports/Qt/labs/particles:/home/harri/Qt5.3.2/5.3/android_armv7/imports/Qt/labs/gestures\n"
>
>>1247^done
>
>
>>1248^done
>
> <1249target extended-remote :5039
>
>
>>&"target extended-remote :5039\n"
>
>>~"Remote debugging using :5039\n"
>
>>&"Remote communication error. Target disconnected.: Connection reset by
>> peer.\n"
>
>>1249^error,msg="Remote communication error. Target disconnected.:
>> Connection reset by peer."
>
> sFailed to start application: Connecting to remote server failed:
>
> sRemote communication error. Target disconnected.: Connection reset by peer.
>
> dINFERIOR START FAILED
>
> dNOTE: INFERIOR SETUP FAILED
>
> sSetup failed.
>
> dState changed from InferiorSetupRequested(4) to InferiorSetupFailed(5)
> [master]
>
> dState changed from InferiorSetupFailed(5) to EngineShutdownRequested(20)
> [master]
>
> dQUEUE: SHUTDOWN ENGINE
>
>
> dCALL: SHUTDOWN ENGINE
>
> dINITIATE GDBENGINE SHUTDOWN IN STATE 0, PROC: 2
>
> <1250-gdb-exit
>
>>1250^exit
>
> dGDB CLAIMS EXIT; WAITING
>
> dGDB PROCESS FINISHED, status 0, code 0
>
> dNOTE: ENGINE SHUTDOWN OK
>
> dState changed from EngineShutdownRequested(20) to EngineShutdownOk(22)
> [master]
>
> dState changed from EngineShutdownOk(22) to DebuggerFinished(23) [master]
>
> dQUEUE: FINISH DEBUGGER
>
> dNOTE: FINISH DEBUGGER
>
> dHANDLE RUNCONTROL FINISHED
>
> sDebugger finished.
>
> I/Qt JAVA ( 3967): DEBUGGER: waiting for pong at
> /data/local/tmp/qt/debug-pong-com.mpaja.mbraille2, attempt 8
>
> I/Qt JAVA ( 3967): DEBUGGER: go to sleep
>
> I/Qt JAVA ( 3967): DEBUGGER: waiting for pong at
> /data/local/tmp/qt/debug-pong-com.mpaja.mbraille2, attempt 9
>
> I/Qt JAVA ( 3967): DEBUGGER: go to sleep
>
> I/Qt JAVA ( 3967): DEBUGGER: waiting for pong at
> /data/local/tmp/qt/debug-pong-com.mpaja.mbraille2, attempt 10
>
> I/Qt JAVA ( 3967): DEBUGGER: go to sleep
>
>
>
>
>
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