Crash in "canvas" qml example during startup

[Alexander Neundorf]

Hi,

so maybe I need a 64bit build ?
Tab8:/ $ file /bin/toybox
/bin/toybox: ELF shared object, 64-bit LSB arm64, dynamic (/system/bin/linker64) 
Tab8:/ $ uname -a 
Linux localhost 4.14.133 #1 SMP PREEMPT Wed Feb 23 16:31:05 CST 2022 aarch64 
Tab8:/ $ 



So I tried a 64bit build now:

cmake -DANDROID_API_LEVEL=27 -DANDROID_ABI=arm64-v8a -
DCMAKE_TOOLCHAIN_FILE=~/docker_dev/extra-cmake-modules/toolchain/Android.cmake 
-DCMAKE_P
REFIX_PATH=/opt/Qt/ -DQTANDROID_EXPORTED_TARGET=qmlcanvas .
Running the installed apk still crashes, with a different error message, but (to me) not 
more useful:


D         : Gralloc Free  w:1920, h:1200, f:0x1101, usage:0x900, ui64Stamp:136579 line = 2376 
D         : Gralloc Register  w:1920, h:1200, f:0x1101, usage:0x900, ui64Stamp:136579, sSize:
9236480, line = 2270 
I hwservicemanager: getTransport: Cannot find entry 
android.hardware.graphics.mapper at 3.0::IMapper/default in either framework or device 
manifest. 
W Gralloc3: mapper 3.x is not supported 
D         : Gralloc Register  w:1200, h:1920, f:0x1101, usage:0xb00, ui64Stamp:136575, sSize:
9236480, line = 2270 
I ActivityTaskManager: Displayed org.qtproject.example/
org.qtproject.qt5.android.bindings.QtActivity: +675ms 
D         : Gralloc Free  w:1920, h:1200, f:0x1, usage:0x966, ui64Stamp:136528 line = 2376 
I GoogleInputMethodService: GoogleInputMethodService.onFinishInput():3210  
I GoogleInputMethodService: GoogleInputMethodService.updateDeviceLockedStatus():
2099 checkRepeatedly = false, unlocked = true 
I GoogleInputMethodService: GoogleInputMethodService.onStartInput():1907 
onStartInput(EditorInfo{inputType=0x0(NULL) imeOptions=0x0 privateImeOptions=null 
actionName=UNSPECIFIED ac
tionLabel=null actionId=0 initialSelStart=-1 initialSelEnd=-1 initialCapsMode=0x0 
hintText=null label=null packageName=org.qtproject.example fieldId=-1 fieldName=null 
extras=null}, false) 
I GoogleInputMethodService: GoogleInputMethodService.updateDeviceLockedStatus():
2099 checkRepeatedly = true, unlocked = true 
D         : Gralloc Free  w:1920, h:1200, f:0x1101, usage:0x900, ui64Stamp:136579 line = 2376 
D         : GBuffer--------------(*format)=1 
D         : Gralloc alloc start  w:1200, h:1920, f:0x1, usage:0xb00, line = 1621 
D         : Gralloc Alloc end  w:1200, h:1920, f:0x1101, usage:0xb00, handle:0xdfa46500, 
ui64Stamp:136607, sSize:9236480, line = 2021 
D         : Gralloc Free  w:1200, h:1920, f:0x1101, usage:0xb00, ui64Stamp:136607 line = 2376 
D         : Gralloc Register  w:1200, h:1920, f:0x1101, usage:0xb00, ui64Stamp:136607, sSize:
9236480, line = 2270 
D         : Gralloc Register  w:1200, h:1920, f:0x1101, usage:0xb00, ui64Stamp:136607, sSize:
9236480, line = 2270 
D         : Gralloc Register  w:1200, h:1920, f:0x1101, usage:0xb00, ui64Stamp:136607, sSize:
9236480, line = 2270 
F libc    : Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x7802bfd000 in tid 
1889 (qtMainLoopThrea), pid 1864 (project.example) 
D         : Gralloc Free  w:1200, h:1920, f:0x1101, usage:0xb00, ui64Stamp:136518 line = 2376 
I crash_dump64: obtaining output fd from tombstoned, type: kDebuggerdTombstone 
I /system/bin/tombstoned: received crash request for pid 1889




Alex

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