Bug 383223

Summary: Kdevelop immediately crashes after opening C++ project
Product: [Applications] kdevelop Reporter: Nicolas <nicolas>
Component: generalAssignee: kdevelop-bugs-null
Status: RESOLVED DUPLICATE    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version First Reported In: 5.1.1   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Nicolas 2017-08-07 09:13:49 UTC 
Application: kdevelop (5.1.1)

Qt Version: 5.9.1
Frameworks Version: 5.36.0
Operating System: Linux 4.4.0-89-generic x86_64
Distribution: Ubuntu 16.04.3 LTS

-- Information about the crash:
- What I was doing when the application crashed:
I just tried to import a C++ CMake project. Once configured to use GCC, and once with clang.
Just after it tried to parse the project, it always crashes

- Custom settings of the application:

The crash can be reproduced every time.

-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbe9d106900 (LWP 6350))]

Thread 17 (Thread 0x7fbe49ffb700 (LWP 6528)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbeba2348eb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbeaf7ac07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fbeaf7b0108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbeaf7ab26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbeaf7adc80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbeba233989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe49ffb700) at pthread_create.c:333
#8  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 16 (Thread 0x7fbe4a7fc700 (LWP 6527)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbeba2348eb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbeaf7ac07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fbeaf7b0108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbeaf7ab26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbeaf7adc80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbeba233989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe4a7fc700) at pthread_create.c:333
#8  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 15 (Thread 0x7fbe4affd700 (LWP 6526)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbeba2348eb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbeaf7ac07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fbeaf7b0108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbeaf7ab26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbeaf7adc80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbeba233989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe4affd700) at pthread_create.c:333
#8  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 14 (Thread 0x7fbe4b7fe700 (LWP 6525)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbeba2348eb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbeaf7ac07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fbeaf7b0108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbeaf7ab26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbeaf7adc80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbeba233989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe4b7fe700) at pthread_create.c:333
#8  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 13 (Thread 0x7fbe4bfff700 (LWP 6524)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbeba2348eb in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbeaf7ac07f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#3  0x00007fbeaf7b0108 in ?? () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#4  0x00007fbeaf7ab26d in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#5  0x00007fbeaf7adc80 in ThreadWeaver::Thread::run() () from /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#6  0x00007fbeba233989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe4bfff700) at pthread_create.c:333
#8  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 12 (Thread 0x7fbe5c961700 (LWP 6521)):
#0  0x00007fbeb1957f0f in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbeb19583f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbeb195849c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbeba45c94b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbeba4057ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbeba22ecd4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbeb7d6f1bb in ?? () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.10
#7  0x00007fbeba233989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe5c961700) at pthread_create.c:333
#9  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 11 (Thread 0x7fbe77ffb700 (LWP 6494)):
#0  0x00007fbeb9b3470d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fbeb195838c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbeb195849c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbeba45c94b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbeba4057ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbeba22ecd4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbeba233989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe77ffb700) at pthread_create.c:333
#8  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fbe777fa700 (LWP 6412)):
#0  0x00007fbeb199ca94 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fbeb1958381 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbeb195849c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbeba45c94b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbeba4057ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fbeba22ecd4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbeb03d2fa5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fbeba233989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe777fa700) at pthread_create.c:333
#9  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fbe83349700 (LWP 6359)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007fbeba234826 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fbeb7c70bc8 in ?? () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.10
#3  0x00007fbeba233989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe83349700) at pthread_create.c:333
#5  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fbe83f48700 (LWP 6358)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbe8b502b5b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fbe8b502888 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe83f48700) at pthread_create.c:333
#4  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fbe84749700 (LWP 6357)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbe8b502b5b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fbe8b502888 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe84749700) at pthread_create.c:333
#4  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fbe84f4a700 (LWP 6356)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbe8b502b5b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fbe8b502888 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe84f4a700) at pthread_create.c:333
#4  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fbe8574b700 (LWP 6355)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbe8b502b5b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fbe8b502888 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe8574b700) at pthread_create.c:333
#4  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fbe86184700 (LWP 6354)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbe8b502b5b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fbe8b502888 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe86184700) at pthread_create.c:333
#4  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fbe86fac700 (LWP 6353)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fbe8b502b5b in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#2  0x00007fbe8b502888 in ?? () from /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#3  0x00007fbeb3ae86ba in start_thread (arg=0x7fbe86fac700) at pthread_create.c:333
#4  0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fbe99023700 (LWP 6352)):
#0  0x00007fbeb9b3024d in read () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fbeb199b6f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fbeb1957e74 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fbeb1958330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fbeb195849c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fbeba45c94b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fbeba4057ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fbeba22ecd4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fbebc581b75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#9  0x00007fbeba233989 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fbeb3ae86ba in start_thread (arg=0x7fbe99023700) at pthread_create.c:333
#11 0x00007fbeb9b403dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fbe9d106900 (LWP 6350)):
[KCrash Handler]
#6  0x00007fbe881c351e in llvm::SmallVectorTemplateBase<llvm::cl::parser<llvm::ScheduleDAGInstrs* (*)(llvm::MachineSchedContext*)>::OptionInfo, false>::grow(unsigned long) () at /build/llvm-toolchain-4.0-euGZ6h/llvm-toolchain-4.0-4.0/include/llvm/Support/CommandLine.h:729
#7  0x00007fbe881c360e in llvm::RegisterPassParser<llvm::MachineSchedRegistry>::NotifyAdd(llvm::StringRef, void* (*)(), llvm::StringRef) () at /build/llvm-toolchain-4.0-euGZ6h/llvm-toolchain-4.0-4.0/include/llvm/ADT/SmallVector.h:213
#8  0x00007fbe31afcb0a in llvm::MachineSchedRegistry::MachineSchedRegistry (C=0x7fbe31e70df0 <useDefaultMachineSched(llvm::MachineSchedContext*)>, D=0x7fbe3311e090 "Use the target's default scheduler choice.", N=0x7fbe3316fc5f "default", this=0x7fbe33fda4e0 <DefaultSchedRegistry>) at /build/llvm-toolchain-3.8-_PD09B/llvm-toolchain-3.8-3.8/include/llvm/CodeGen/MachineScheduler.h:128
#9  __static_initialization_and_destruction_0 (__initialize_p=1, __priority=65535) at /build/llvm-toolchain-3.8-_PD09B/llvm-toolchain-3.8-3.8/lib/CodeGen/MachineScheduler.cpp:214
#10 _GLOBAL__sub_I_MachineScheduler.cpp(void) () at /build/llvm-toolchain-3.8-_PD09B/llvm-toolchain-3.8-3.8/lib/CodeGen/MachineScheduler.cpp:3413
#11 0x00007fbebc41b6ba in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0x7ffe2a659a58, env=env@entry=0x7ffe2a659a68) at dl-init.c:72
#12 0x00007fbebc41b7cb in call_init (env=0x7ffe2a659a68, argv=0x7ffe2a659a58, argc=1, l=<optimized out>) at dl-init.c:30
#13 _dl_init (main_map=main_map@entry=0x3be33a0, argc=1, argv=0x7ffe2a659a58, env=0x7ffe2a659a68) at dl-init.c:120
#14 0x00007fbebc4208e2 in dl_open_worker (a=a@entry=0x7ffe2a658350) at dl-open.c:575
#15 0x00007fbebc41b564 in _dl_catch_error (objname=objname@entry=0x7ffe2a658340, errstring=errstring@entry=0x7ffe2a658348, mallocedp=mallocedp@entry=0x7ffe2a65833f, operate=operate@entry=0x7fbebc4204d0 <dl_open_worker>, args=args@entry=0x7ffe2a658350) at dl-error.c:187
#16 0x00007fbebc41fda9 in _dl_open (file=0x3c36a18 "/usr/lib/x86_64-linux-gnu/qt5/plugins/kdevplatform/27/kdevclangsupport.so", mode=-2147479551, caller_dlopen=0x7fbeba40332d, nsid=-2, argc=<optimized out>, argv=<optimized out>, env=0x7ffe2a659a68) at dl-open.c:660
#17 0x00007fbeb1c1ff09 in dlopen_doit (a=a@entry=0x7ffe2a658580) at dlopen.c:66
#18 0x00007fbebc41b564 in _dl_catch_error (objname=0x2439ff0, errstring=0x2439ff8, mallocedp=0x2439fe8, operate=0x7fbeb1c1feb0 <dlopen_doit>, args=0x7ffe2a658580) at dl-error.c:187
#19 0x00007fbeb1c20571 in _dlerror_run (operate=operate@entry=0x7fbeb1c1feb0 <dlopen_doit>, args=args@entry=0x7ffe2a658580) at dlerror.c:163
#20 0x00007fbeb1c1ffa1 in __dlopen (file=<optimized out>, mode=<optimized out>) at dlopen.c:87
#21 0x00007fbeba40332d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fbeba3fc885 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fbebb2b790a in KPluginLoader::load() () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#24 0x00007fbebb2b7a3a in KPluginLoader::instance() () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#25 0x00007fbebb2b7a8c in KPluginLoader::factory() () from /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#26 0x00007fbebc0e0bde in KDevelop::PluginController::loadPluginInternal(QString const&) () from /usr/lib/x86_64-linux-gnu/libKDevPlatformShell.so.10
#27 0x00007fbebc0e29ab in KDevelop::PluginController::allPluginsForExtension(QString const&, QMap<QString, QVariant> const&) () from /usr/lib/x86_64-linux-gnu/libKDevPlatformShell.so.10
#28 0x00007fbebc122ab9 in KDevelop::LanguageController::languagesForMimetype(QString const&) () from /usr/lib/x86_64-linux-gnu/libKDevPlatformShell.so.10
#29 0x00007fbebc123522 in KDevelop::LanguageController::languagesForUrl(QUrl const&) () from /usr/lib/x86_64-linux-gnu/libKDevPlatformShell.so.10
#30 0x00007fbeb7c41ce3 in ?? () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.10
#31 0x00007fbeb7c44c81 in ?? () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.10
#32 0x00007fbeb7c3ea04 in KDevelop::BackgroundParser::parseDocuments() () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.10
#33 0x00007fbeb7dd3205 in ?? () from /usr/lib/x86_64-linux-gnu/libKDevPlatformLanguage.so.10
#34 0x00007fbeba434c59 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007fbebad6f3fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007fbebad76e07 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#37 0x00007fbeba407798 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007fbeba409f7b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007fbeba45d323 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007fbeb1958197 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fbeb19583f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007fbeb195849c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007fbeba45c92f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007fbeba4057ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00007fbeba40e704 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#46 0x000000000040bb96 in main (argc=1, argv=<optimized out>) at /workspace/build/app/main.cpp:763

Reported using DrKonqi
Comment 1 Kevin Funk 2017-08-07 09:34:02 UTC 
You did get KDevelop from a custom PPA, correct? There's an issue with the way KDevelop is packaged in said PPA.

If you need latest KDevelop, please use the AppImage for the moment:
  https://www.kdevelop.org/download

*** This bug has been marked as a duplicate of bug 383170 ***
Comment 2 Kevin Funk 2017-08-07 09:35:22 UTC 

*** This bug has been marked as a duplicate of bug 383086 ***
Comment 3 Nicolas 2017-08-07 09:37:32 UTC 
(In reply to Kevin Funk from comment #1)
> You did get KDevelop from a custom PPA, correct? There's an issue with the
> way KDevelop is packaged in said PPA.
> 
> If you need latest KDevelop, please use the AppImage for the moment:
>   https://www.kdevelop.org/download

Actually this is from the KDE neon repositories.
Anyway, thanks for the response!