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  1. [nemo@Jolla minimer]$ EGL_PLATFORM=fbdev gdb --args /usr/lib/qt5/bin/qmlscene -platform hwcomposer main.qml
  2. GNU gdb (GDB) Mer (7.5.1+git3)
  3. Copyright (C) 2012 Free Software Foundation, Inc.
  4. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
  5. This is free software: you are free to change and redistribute it.
  6. There is NO WARRANTY, to the extent permitted by law. Type "show copying"
  7. and "show warranty" for details.
  8. This GDB was configured as "armv7hl-meego-linux-gnueabi".
  9. For bug reporting instructions, please see:
  10. <http://www.gnu.org/software/gdb/bugs/>...
  11. Reading symbols from /usr/lib/qt5/bin/qmlscene...Reading symbols from /usr/lib/debug/usr/lib/qt5/bin/qmlscene.debug...done.
  12. done.
  13.  
  14. =====================================================================================================================
  15.  
  16. (gdb) r
  17. Starting program: /usr/lib/qt5/bin/qmlscene -platform hwcomposer main.qml
  18. [Thread debugging using libthread_db enabled]
  19. Using host libthread_db library "/lib/libthread_db.so.1".
  20. [D] HwComposerScreenInfo::HwComposerScreenInfo:251 - EGLFS: Screen Info
  21. [D] HwComposerScreenInfo::HwComposerScreenInfo:252 - - Physical size: QSizeF(104, 162)
  22. [D] HwComposerScreenInfo::HwComposerScreenInfo:253 - - Screen size: QSize(800, 1280)
  23. [D] HwComposerScreenInfo::HwComposerScreenInfo:254 - - Screen depth: 32
  24. [New Thread 0x43acc390 (LWP 1286)]
  25. == hwcomposer module ==
  26. * Address: 0x43b08004
  27. * Module API Version: 1
  28. * HAL API Version: 0
  29. * Identifier: hwcomposer
  30. * Name: NVIDIA Tegra hwcomposer module
  31. * Author: NVIDIA
  32. == hwcomposer module ==
  33. [New Thread 0x44335390 (LWP 1287)]
  34. [New Thread 0x443bfb40 (LWP 1288)]
  35. [New Thread 0x44c59390 (LWP 1289)]
  36. == hwcomposer device ==
  37. * Version: 1010001 (interpreted as 1010001)
  38. * Module: 0x43b08004
  39. == hwcomposer device ==
  40. [W] QEglFSScreen::QEglFSScreen:56 - QEglScreen 0x512400
  41.  
  42. [New Thread 0x4554d390 (LWP 1290)]
  43. [W] QEglFSWindow::QEglFSWindow:58 - QEglWindow 0x590830: 0x58fc28 0x0
  44.  
  45.  
  46. Program received signal SIGSEGV, Segmentation fault.
  47. FbDevNativeWindow::FbDevNativeWindow (this=0x590d28, alloc=0x502f40, fbDev=0x0) at fbdev_window.cpp:78
  48. 78 fbdev_window.cpp: No such file or directory.
  49.  
  50.  
  51. =====================================================================================================================
  52.  
  53. (gdb) bt
  54. #0 FbDevNativeWindow::FbDevNativeWindow (this=0x590d28, alloc=0x502f40, fbDev=0x0) at fbdev_window.cpp:78
  55. #1 0x43ad5ab2 in fbdevws_CreateWindow (win=<optimized out>, display=<optimized out>) at eglplatform_fbdev.cpp:68
  56. #2 0x401b68d4 in ws_CreateWindow (win=5835868, display=0x50aed0) at ws.c:73
  57. #3 0x401b52a4 in eglCreateWindowSurface (dpy=0x1, config=0xcaf32a, win=5835868, attrib_list=0x0) at egl.c:263
  58. #4 0x42cfec28 in QEglFSWindow::resetSurface (this=0x590830) at qeglfswindow.cpp:104
  59. #5 0x42cfee82 in QEglFSWindow::create (this=0x590830) at qeglfswindow.cpp:85
  60. #6 0x42cfe464 in QEglFSIntegration::createPlatformWindow (this=0x4f2eb8, window=0x58fc28) at qeglfsintegration.cpp:141
  61. #7 0x4070d066 in QWindow::create (this=this@entry=0x58fc28) at kernel/qwindow.cpp:480
  62. #8 0x4070d1c4 in QWindow::setVisible (this=this@entry=0x58fc28, visible=visible@entry=true) at kernel/qwindow.cpp:426
  63. #9 0x4070d902 in QWindow::showFullScreen (this=0x58fc28) at kernel/qwindow.cpp:1733
  64. #10 0x000134b0 in main (argc=2, argv=<optimized out>) at main.cpp:529
  65.  
  66.  
  67. =====================================================================================================================
  68.  
  69.  
  70. (gdb) bt full
  71. #0 FbDevNativeWindow::FbDevNativeWindow (this=0x590d28, alloc=0x502f40, fbDev=0x0) at fbdev_window.cpp:78
  72. No locals.
  73. #1 0x43ad5ab2 in fbdevws_CreateWindow (win=<optimized out>, display=<optimized out>) at eglplatform_fbdev.cpp:68
  74. __PRETTY_FUNCTION__ = "EGLNativeWindowType fbdevws_CreateWindow(EGLNativeWindowType, _EGLDisplay*)"
  75. #2 0x401b68d4 in ws_CreateWindow (win=5835868, display=0x50aed0) at ws.c:73
  76. No locals.
  77. #3 0x401b52a4 in eglCreateWindowSurface (dpy=0x1, config=0xcaf32a, win=5835868, attrib_list=0x0) at egl.c:263
  78. display = <optimized out>
  79. __PRETTY_FUNCTION__ = "eglCreateWindowSurface"
  80. result = <optimized out>
  81. #4 0x42cfec28 in QEglFSWindow::resetSurface (this=0x590830) at qeglfswindow.cpp:104
  82. display = 0x1
  83. __PRETTY_FUNCTION__ = "virtual void QEglFSWindow::resetSurface()"
  84. #5 0x42cfee82 in QEglFSWindow::create (this=0x590830) at qeglfswindow.cpp:85
  85. display = 0x1
  86. platformFormat = {d = 0x5908f8}
  87. #6 0x42cfe464 in QEglFSIntegration::createPlatformWindow (this=0x4f2eb8, window=0x58fc28) at qeglfsintegration.cpp:141
  88. w = 0x590830
  89. #7 0x4070d066 in QWindow::create (this=this@entry=0x58fc28) at kernel/qwindow.cpp:480
  90. childObjects = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0xbe9ea5f8},
  91. d = 0xbe9ea5f8}}
  92. #8 0x4070d1c4 in QWindow::setVisible (this=this@entry=0x58fc28, visible=visible@entry=true) at kernel/qwindow.cpp:426
  93. No locals.
  94. #9 0x4070d902 in QWindow::showFullScreen (this=0x58fc28) at kernel/qwindow.cpp:1733
  95. No locals.
  96. #10 0x000134b0 in main (argc=2, argv=<optimized out>) at main.cpp:529
  97. surfaceFormat = {d = 0x58ffd8}
  98. translator = {<QObject> = {_vptr.QObject = 0x40cc8d00 <vtable for QTranslator+8>, static staticMetaObject = {d = {superdata = 0x0,
  99. stringdata = 0x40c33400 <qt_meta_stringdata_QObject>, data = 0x40c33c20 <qt_meta_data_QObject>,
  100. static_metacall = 0x40b55525 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  101. extradata = 0x0}}, d_ptr = {d = 0x51bab0}, static staticQtMetaObject = {d = {superdata = 0x0,
  102. stringdata = 0x40c7c134 <qt_meta_stringdata_Qt>, data = 0x40c79a80 <qt_meta_data_Qt>, static_metacall = 0x0, relatedMetaObjects = 0x0,
  103. extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x40cc7304 <QObject::staticMetaObject>,
  104. stringdata = 0x40c8d8bc <qt_meta_stringdata_QTranslator>, data = 0x40c8d8dc <qt_meta_data_QTranslator>,
  105. static_metacall = 0x40b98fe9 <QTranslator::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  106. extradata = 0x0}}}
  107. engine = {<QJSEngine> = {<QObject> = {_vptr.QObject = 0x4065a968 <vtable for QQmlEngine+8>, static staticMetaObject = {d = {superdata = 0x0,
  108. stringdata = 0x40c33400 <qt_meta_stringdata_QObject>, data = 0x40c33c20 <qt_meta_data_QObject>,
  109. static_metacall = 0x40b55525 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  110. ---Type <return> to continue, or q <return> to quit---
  111. extradata = 0x0}}, d_ptr = {d = 0x51bd88}, static staticQtMetaObject = {d = {superdata = 0x0,
  112. stringdata = 0x40c7c134 <qt_meta_stringdata_Qt>, data = 0x40c79a80 <qt_meta_data_Qt>, static_metacall = 0x0, relatedMetaObjects = 0x0,
  113. extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x40cc7304 <QObject::staticMetaObject>,
  114. stringdata = 0x40607a54 <qt_meta_stringdata_QJSEngine>, data = 0x40607a70 <qt_meta_data_QJSEngine>,
  115. static_metacall = 0x404b0f29 <QJSEngine::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  116. extradata = 0x0}}, d = 0x51aea8}, static staticMetaObject = {d = {superdata = 0x40656740 <QJSEngine::staticMetaObject>,
  117. stringdata = 0x4063d064 <qt_meta_stringdata_QQmlEngine>, data = 0x4063d104 <qt_meta_data_QQmlEngine>,
  118. static_metacall = 0x405f7f05 <QQmlEngine::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  119. extradata = 0x0}}}
  120. component = {wp = {d = 0x56db20, value = 0x56da90}}
  121. window = {d = 0x58fc28}
  122. topLevel = <optimized out>
  123. bundles = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}},
  124. d = 0x40b9fc40 <QListData::shared_null>}, d = 0x40b9fc40 <QListData::shared_null>}}
  125. qtTranslator = {<QObject> = {_vptr.QObject = 0x40cc8d00 <vtable for QTranslator+8>, static staticMetaObject = {d = {superdata = 0x0,
  126. stringdata = 0x40c33400 <qt_meta_stringdata_QObject>, data = 0x40c33c20 <qt_meta_data_QObject>,
  127. static_metacall = 0x40b55525 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  128. extradata = 0x0}}, d_ptr = {d = 0x519e70}, static staticQtMetaObject = {d = {superdata = 0x0,
  129. stringdata = 0x40c7c134 <qt_meta_stringdata_Qt>, data = 0x40c79a80 <qt_meta_data_Qt>, static_metacall = 0x0, relatedMetaObjects = 0x0,
  130. extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x40cc7304 <QObject::staticMetaObject>,
  131. stringdata = 0x40c8d8bc <qt_meta_stringdata_QTranslator>, data = 0x40c8d8dc <qt_meta_data_QTranslator>,
  132. static_metacall = 0x40b98fe9 <QTranslator::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  133. extradata = 0x0}}}
  134. __PRETTY_FUNCTION__ = "int main(int, char**)"
  135. app = {<QCoreApplication> = {<QObject> = {_vptr.QObject = 0x408e57a8 <vtable for QGuiApplication+8>, static staticMetaObject = {d = {
  136. superdata = 0x0, stringdata = 0x40c33400 <qt_meta_stringdata_QObject>, data = 0x40c33c20 <qt_meta_data_QObject>,
  137. static_metacall = 0x40b55525 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  138. extradata = 0x0}}, d_ptr = {d = 0x4f1748}, static staticQtMetaObject = {d = {superdata = 0x0,
  139. stringdata = 0x40c7c134 <qt_meta_stringdata_Qt>, data = 0x40c79a80 <qt_meta_data_Qt>, static_metacall = 0x0, relatedMetaObjects = 0x0,
  140. extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x40cc7304 <QObject::staticMetaObject>,
  141. stringdata = 0x40c8b87c <qt_meta_stringdata_QCoreApplication>, data = 0x40c8ba2c <qt_meta_data_QCoreApplication>,
  142. static_metacall = 0x40b98a29 <QCoreApplication::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  143. extradata = 0x0}}, static self = 0xbe9ea60c}, static staticMetaObject = {d = {superdata = 0x40cc8ba0 <QCoreApplication::staticMetaObject>,
  144. stringdata = 0x408ada14 <qt_meta_stringdata_QGuiApplication>, data = 0x408add40 <qt_meta_data_QGuiApplication>,
  145. static_metacall = 0x4070a68d <QGuiApplication::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  146. extradata = 0x0}}}
  147. translator = {<QObject> = {_vptr.QObject = 0x40cc8d00 <vtable for QTranslator+8>, static staticMetaObject = {d = {superdata = 0x0,
  148. stringdata = 0x40c33400 <qt_meta_stringdata_QObject>, data = 0x40c33c20 <qt_meta_data_QObject>,
  149. static_metacall = 0x40b55525 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  150. ---Type <return> to continue, or q <return> to quit---
  151. extradata = 0x0}}, d_ptr = {d = 0x519df8}, static staticQtMetaObject = {d = {superdata = 0x0,
  152. stringdata = 0x40c7c134 <qt_meta_stringdata_Qt>, data = 0x40c79a80 <qt_meta_data_Qt>, static_metacall = 0x0, relatedMetaObjects = 0x0,
  153. extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x40cc7304 <QObject::staticMetaObject>,
  154. stringdata = 0x40c8d8bc <qt_meta_stringdata_QTranslator>, data = 0x40c8d8dc <qt_meta_data_QTranslator>,
  155. static_metacall = 0x40b98fe9 <QTranslator::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  156. extradata = 0x0}}}
  157. exitCode = 0
  158. options = {file = {d = 0x4f1850}, originalQml = false, originalQmlRaster = false, maximized = false, fullscreen = false, transparent = false,
  159. scenegraphOnGraphicsview = 100, clip = false, versionDetection = true, slowAnimations = false, quitImmediately = false,
  160. resizeViewToRootItem = false, multisample = false, translationFile = {static null = {<No data fields>}, d = 0x40b9de18 <QArrayData::shared_null>}}
  161. imports = {<QList<QString>> = {{p = {static shared_null = {ref = {atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}},
  162. d = 0x40b9fc40 <QListData::shared_null>}, d = 0x40b9fc40 <QListData::shared_null>}}, <No data fields>}
  163. sysLocale = {static null = {<No data fields>}, d = 0x519f40}
  164. qmlTranslator = {<QObject> = {_vptr.QObject = 0x40cc8d00 <vtable for QTranslator+8>, static staticMetaObject = {d = {superdata = 0x0,
  165. stringdata = 0x40c33400 <qt_meta_stringdata_QObject>, data = 0x40c33c20 <qt_meta_data_QObject>,
  166. static_metacall = 0x40b55525 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  167. extradata = 0x0}}, d_ptr = {d = 0x5197b8}, static staticQtMetaObject = {d = {superdata = 0x0,
  168. stringdata = 0x40c7c134 <qt_meta_stringdata_Qt>, data = 0x40c79a80 <qt_meta_data_Qt>, static_metacall = 0x0, relatedMetaObjects = 0x0,
  169. extradata = 0x0}}}, static staticMetaObject = {d = {superdata = 0x40cc7304 <QObject::staticMetaObject>,
  170. stringdata = 0x40c8d8bc <qt_meta_stringdata_QTranslator>, data = 0x40c8d8dc <qt_meta_data_QTranslator>,
  171. static_metacall = 0x40b98fe9 <QTranslator::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0,
  172. extradata = 0x0}}}
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