Seg Fault on Startup

[qgib]

Author Name: Brian Savage (@savage13)
Original Redmine Issue: 19834
Affected QGIS version: 3.2.2
Redmine category:build/install

---

QGIS segfaults on Startup

Looks like QtWidgets`QAction::setText() may be the issue.

Run in LLDB (Backtrace Below)
% lldb /Applications/QGIS3.app/Contents/MacOS/QGIS
(lldb) target create "/Applications/QGIS3.app/Contents/MacOS/QGIS"
Current executable set to '/Applications/QGIS3.app/Contents/MacOS/QGIS' (x86_64).
(lldb) run
Process 27554 launched: '/Applications/QGIS3.app/Contents/MacOS/QGIS' (x86_64)
Warning: QWidget::insertAction: Attempt to insert null action
Warning: QWidget::insertAction: Attempt to insert null action
Warning: QWidget::insertAction: Attempt to insert null action
Warning: QSqlQuery::prepare: database not open
Process 27554 stopped

• thread some small changes #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x8)
  frame #0: 0x00000001060b07dd QtWidgetsQAction::setText(QString const&) + 13 QtWidgetsQAction::setText:
  -> 0x1060b07dd <+13>: movq 0x8(%rdi), %r14
  0x1060b07e1 <+17>: movq %r14, %rbx
  0x1060b07e4 <+20>: subq $-0x80, %rbx
  0x1060b07e8 <+24>: movq %rbx, %rdi
  Target 0: (QGIS) stopped.

BackTrace

(lldb) bt all

• thread some small changes #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x8)
  • frame #0: 0x00000001060b07dd QtWidgetsQAction::setText(QString const&) + 13 frame #1: 0x00000001005a5231 libqgis_app.3.2.2.dylibQgisApp::changeEvent(QEvent*) + 89
    frame Some minor updates to documentation and added shortname to the quickpackage script #2: 0x00000001060f4b40 QtWidgetsQWidget::event(QEvent*) + 144 frame #3: 0x0000000106214884 QtWidgetsQMainWindow::event(QEvent*) + 1108
    frame fix #3800 for branch release-1_7_0 #4: 0x000000010055ba9f libqgis_app.3.2.2.dylibQgisApp::event(QEvent*) + 249 frame #5: 0x00000001060bab82 QtWidgetsQApplicationPrivate::notify_helper(QObject*, QEvent*) + 306
    frame Radims fix for raster otf of wms render issues #6: 0x00000001060bbe9f QtWidgetsQApplication::notify(QObject*, QEvent*) + 383 frame #7: 0x0000000102285287 qgis_coreQgsApplication::notify(QObject*, QEvent*) + 93
    frame finish fix for #3497 #8: 0x00000001097b3a7f QtCoreQCoreApplication::notifyInternal2(QObject*, QEvent*) + 159 frame #9: 0x00000001060ef082 QtWidgetsQWidget::setWindowTitle(QString const&) + 482
    frame #10094094: 0x000000010058e1d6 libqgis_app.3.2.2.dylibsetTitleBarText_(QWidget&) + 1315 frame #11: 0x00000001097e444b QtCoreQMetaObject::activate(QObject*, int, int, void**) + 2347
    frame Test commit to see if amend works to update a git pull on gh. Please do n #12: 0x00000001028eb8c2 qgis_coreQgsProject::isDirtyChanged(bool) + 64 frame #13: 0x000000010243bc23 qgis_coreQgsProject::setSnappingConfig(QgsSnappingConfig const&) + 141
    frame IT translation wrong #14: 0x00000001006fcc42 libqgis_app.3.2.2.dylibQgsSnappingWidget::QgsSnappingWidget(QgsProject*, QgsMapCanvas*, QWidget*) + 11058 frame #15: 0x0000000100546967 libqgis_app.3.2.2.dylibQgisApp::createToolBars() + 407
    frame mask option for gdal_polygonize tool #16: 0x000000010053f0f4 libqgis_app.3.2.2.dylibQgisApp::functionProfile(void (QgisApp::*)(), QgisApp*, QString const&) + 62 frame #17: 0x000000010051f90a libqgis_app.3.2.2.dylibQgisApp::QgisApp(QSplashScreen*, bool, bool, QString const&, QString const&, QWidget*, QFlagsQt::WindowType) + 10660
    frame Replace svn revision with git hash in Mac Info.plist #18: 0x0000000100012b43 QGISmain + 20791 frame #19: 0x00007fff7c5f3015 libdyld.dylibstart + 1
    thread Some minor updates to documentation and added shortname to the quickpackage script #2
    frame #0: 0x00007fff7c74428a libsystem_kernel.dylib__workq_kernreturn + 10 frame #1: 0x00007fff7c90b20e libsystem_pthread.dylib_pthread_wqthread + 1552
    frame Some minor updates to documentation and added shortname to the quickpackage script #2: 0x00007fff7c90abe9 libsystem_pthread.dylibstart_wqthread + 13 thread #4 frame #0: 0x00007fff7c743a16 libsystem_kernel.dylib__psynch_cvwait + 10
    frame some small changes #1: 0x00007fff7c90c589 libsystem_pthread.dylib_pthread_cond_wait + 732 frame #2: 0x00007fff7a547cb0 libc++.1.dylibstd::__1::condition_variable::wait(std::__1::unique_lockstd::__1::mutex&) + 18
    frame Symbol levels in Rule-Based renderer #3: 0x0000000104d5ee1c QtWebKitvoid std::__1::condition_variable_any::wait<std::__1::unique_lock<bmalloc::Mutex> >(std::__1::unique_lock<bmalloc::Mutex>&) + 108 frame #4: 0x0000000104d5ed9b QtWebKitbmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::)()>::threadRunLoop() + 155
    frame Radims fix for raster otf of wms render issues #5: 0x0000000104d5ec69 QtWebKitbmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadEntryPoint(bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>*) + 9 frame #6: 0x0000000104d5ef1d QtWebKitvoid std::__1::__thread_proxy<std::__1::tuple<void ()(bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::)()>), bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::)()>> >(void) + 93
    frame Symbol levels in Rule-Based renderer on release-1_7_0 #7: 0x00007fff7c90b661 libsystem_pthread.dylib_pthread_body + 340 frame #8: 0x00007fff7c90b50d libsystem_pthread.dylib_pthread_start + 377
    frame finish fix for #3497 #9: 0x00007fff7c90abf9 libsystem_pthread.dylibthread_start + 13 thread #6 frame #0: 0x00007fff7c74428a libsystem_kernel.dylib__workq_kernreturn + 10
    frame some small changes #1: 0x2e6d6f6327d8044d
    frame Some minor updates to documentation and added shortname to the quickpackage script #2: 0x00007fff7c90abe9 libsystem_pthread.dylibstart_wqthread + 13 thread #7 frame #0: 0x00007fff7c74428a libsystem_kernel.dylib__workq_kernreturn + 10
    frame some small changes #1: 0x00007fff7c90b009 libsystem_pthread.dylib_pthread_wqthread + 1035 frame #2: 0x00007fff7c90abe9 libsystem_pthread.dylibstart_wqthread + 13
    thread finish fix for #3497 #8
    frame #0: 0x00007fff7c74428a libsystem_kernel.dylib__workq_kernreturn + 10 frame #1: 0x00007fff7c90b009 libsystem_pthread.dylib_pthread_wqthread + 1035
    frame Some minor updates to documentation and added shortname to the quickpackage script #2: 0x00007fff7c90abe9 libsystem_pthread.dylibstart_wqthread + 13 thread #9, name = 'com.apple.NSEventThread' frame #0: 0x00007fff7c73a20a libsystem_kernel.dylibmach_msg_trap + 10
    frame some small changes #1: 0x00007fff7c739724 libsystem_kernel.dylibmach_msg + 60 frame #2: 0x00007fff547b3785 CoreFoundation__CFRunLoopServiceMachPort + 341
    frame Symbol levels in Rule-Based renderer #3: 0x00007fff547b2ad7 CoreFoundation__CFRunLoopRun + 1783 frame #4: 0x00007fff547b2153 CoreFoundationCFRunLoopRunSpecific + 483
    frame Radims fix for raster otf of wms render issues #5: 0x00007fff51e8afc4 AppKit_NSEventThread + 184 frame #6: 0x00007fff7c90b661 libsystem_pthread.dylib_pthread_body + 340
    frame Symbol levels in Rule-Based renderer on release-1_7_0 #7: 0x00007fff7c90b50d libsystem_pthread.dylib_pthread_start + 377 frame #8: 0x00007fff7c90abf9 libsystem_pthread.dylibthread_start + 13
    thread #10094094, name = 'com.apple.CFSocket.private'
    frame #0: 0x00007fff7c743cf2 libsystem_kernel.dylib__select + 10 frame #1: 0x00007fff547ed88b CoreFoundation__CFSocketManager + 635
    frame Some minor updates to documentation and added shortname to the quickpackage script #2: 0x00007fff7c90b661 libsystem_pthread.dylib_pthread_body + 340 frame #3: 0x00007fff7c90b50d libsystem_pthread.dylib_pthread_start + 377
    frame fix #3800 for branch release-1_7_0 #4: 0x00007fff7c90abf9 libsystem_pthread.dylibthread_start + 13 thread #11, name = 'QCA::KeyStoreThread' frame #0: 0x00007fff7c74509a libsystem_kernel.dylibpoll + 10
    frame some small changes #1: 0x0000000109806b40 QtCoreqt_safe_poll(pollfd*, unsigned int, timespec const*) + 544 frame #2: 0x00000001098081b9 QtCoreQEventDispatcherUNIX::processEvents(QFlagsQEventLoop::ProcessEventsFlag) + 857
    frame Symbol levels in Rule-Based renderer #3: 0x00000001097af742 QtCoreQEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 418 frame #4: 0x00000001066aaf2d qca-qt5QCA::SyncThread::run() + 197
    frame Radims fix for raster otf of wms render issues #5: 0x00000001095f3fbf QtCore___lldb_unnamed_symbol300$$QtCore + 367 frame #6: 0x00007fff7c90b661 libsystem_pthread.dylib_pthread_body + 340
    frame Symbol levels in Rule-Based renderer on release-1_7_0 #7: 0x00007fff7c90b50d libsystem_pthread.dylib_pthread_start + 377 frame #8: 0x00007fff7c90abf9 libsystem_pthread.dylibthread_start + 13
    thread Test commit to see if amend works to update a git pull on gh. Please do n #12, name = 'Qt bearer thread'
    frame #0: 0x00007fff7c74509a libsystem_kernel.dylibpoll + 10 frame #1: 0x0000000109806b40 QtCoreqt_safe_poll(pollfd*, unsigned int, timespec const*) + 544
    frame Some minor updates to documentation and added shortname to the quickpackage script #2: 0x00000001098081b9 QtCoreQEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 857 frame #3: 0x00000001097af742 QtCoreQEventLoop::exec(QFlagsQEventLoop::ProcessEventsFlag) + 418
    frame fix #3800 for branch release-1_7_0 #4: 0x00000001095f00a1 QtCoreQThread::exec() + 113 frame #5: 0x00000001095f3fbf QtCore___lldb_unnamed_symbol300$$QtCore + 367
    frame Radims fix for raster otf of wms render issues #6: 0x00007fff7c90b661 libsystem_pthread.dylib_pthread_body + 340 frame #7: 0x00007fff7c90b50d libsystem_pthread.dylib_pthread_start + 377
    frame finish fix for #3497 #8: 0x00007fff7c90abf9 libsystem_pthread.dylibthread_start + 13 thread #13, name = 'QNetworkAccessManager thread' frame #0: 0x00007fff7c74509a libsystem_kernel.dylibpoll + 10
    frame some small changes #1: 0x0000000109806b40 QtCoreqt_safe_poll(pollfd*, unsigned int, timespec const*) + 544 frame #2: 0x00000001098081b9 QtCoreQEventDispatcherUNIX::processEvents(QFlagsQEventLoop::ProcessEventsFlag) + 857
    frame Symbol levels in Rule-Based renderer #3: 0x00000001097af742 QtCoreQEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 418 frame #4: 0x00000001095f00a1 QtCoreQThread::exec() + 113
    frame Radims fix for raster otf of wms render issues #5: 0x00000001095f3fbf QtCore___lldb_unnamed_symbol300$$QtCore + 367 frame #6: 0x00007fff7c90b661 libsystem_pthread.dylib_pthread_body + 340
    frame Symbol levels in Rule-Based renderer on release-1_7_0 #7: 0x00007fff7c90b50d libsystem_pthread.dylib_pthread_start + 377 frame #8: 0x00007fff7c90abf9 libsystem_pthread.dylibthread_start + 13
    (lldb)

[qgib]

Author Name: Giovanni Manghi (@gioman)

---

Please try cleaning (removing) any trace of the configurations/profiles folder.

---

• crashes_corrupts_data was changed from 0 to 1
• status_id was changed from Open to Feedback
• category_id was changed from Unknown to Build/Install

[qgib]

Author Name: Brian Savage (@savage13)

---

% cd ~/Library/Application\ Support
% mv QGIS QGIS.old

/Applications/QGIS3.app/Contents/MacOS/QGIS

It opened properly. :) Thanks

[qgib]

Author Name: Giovanni Manghi (@gioman)

---

Possibly a bad 3rd party plugin. Please reopen if necessary.

---

• resolution was changed from to invalid
• status_id was changed from Feedback to Closed