https://bugs.kde.org/show_bug.cgi?id=406189
Bug ID: 406189
Summary: Random KDevelop crash
Product: kdevelop
Version: 5.3.2
Platform: Ubuntu Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kdevelop-bugs-n...@kde.org
Reporter: ricardo....@hotmail.com
Target Milestone: ---
Application: kdevelop (5.3.2)
Qt Version: 5.12.0
Frameworks Version: 5.56.0
Operating System: Linux 4.18.0-16-generic x86_64
Distribution: KDE neon User Edition 5.15
-- Information about the crash:
- What I was doing when the application crashed: Writing some code while the
background parser was running
- Reproducibility: 2 times in a full day
- Please take a look at the stacktrace
The crash can be reproduced sometimes.
-- 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 0x7fef65de6bc0 (LWP 2794))]
Thread 10 (Thread 0x7feeebfff700 (LWP 2970)):
#0 0x00007fef0d355140 in clang::TypedefType::desugar() const () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#1 0x00007fef0d355790 in clang::Type::getUnqualifiedDesugaredType() const ()
at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#2 0x00007fef0d35d16b in clang::Type::getAsTagDecl() const () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#3 0x00007fef0d35d1d9 in clang::Type::getAsCXXRecordDecl() const () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#4 0x00007fef0d69a683 in clang::Sema::IsDerivedFrom(clang::SourceLocation,
clang::QualType, clang::QualType) () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#5 0x00007fef0d8d2bb2 in TryObjectArgumentInitialization(clang::Sema&,
clang::SourceLocation, clang::QualType, clang::Expr::Classification,
clang::CXXMethodDecl*, clang::CXXRecordDecl*) [clone .isra.754] () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#6 0x00007fef0d8eb200 in
clang::Sema::AddMethodCandidate(clang::CXXMethodDecl*, clang::DeclAccessPair,
clang::CXXRecordDecl*, clang::QualType, clang::Expr::Classification,
llvm::ArrayRef<clang::Expr*>, clang::OverloadCandidateSet&, bool, bool,
llvm::MutableArrayRef<clang::ImplicitConversionSequence>) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#7 0x00007fef0d8ebdc8 in
clang::Sema::AddMethodCandidate(clang::DeclAccessPair, clang::QualType,
clang::Expr::Classification, llvm::ArrayRef<clang::Expr*>,
clang::OverloadCandidateSet&, bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#8 0x00007fef0d8ec024 in
clang::Sema::AddMemberOperatorCandidates(clang::OverloadedOperatorKind,
clang::SourceLocation, llvm::ArrayRef<clang::Expr*>,
clang::OverloadCandidateSet&, clang::SourceRange) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#9 0x00007fef0d8fa00a in
clang::Sema::CreateOverloadedBinOp(clang::SourceLocation,
clang::BinaryOperatorKind, clang::UnresolvedSetImpl const&, clang::Expr*,
clang::Expr*, bool) () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#10 0x00007fef0d9fbbc0 in clang::TreeTransform<(anonymous
namespace)::TemplateInstantiator>::TransformCXXOperatorCallExpr(clang::CXXOperatorCallExpr*)
() at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#11 0x00007fef0d9e22cb in clang::TreeTransform<(anonymous
namespace)::TemplateInstantiator>::TransformExpr(clang::Expr*) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#12 0x00007fef0d9fced3 in clang::TreeTransform<(anonymous
namespace)::TemplateInstantiator>::TransformStmt(clang::Stmt*) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#13 0x00007fef0d9fe23d in clang::TreeTransform<(anonymous
namespace)::TemplateInstantiator>::TransformCompoundStmt(clang::CompoundStmt*,
bool) () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#14 0x00007fef0da01ad8 in clang::Sema::SubstStmt(clang::Stmt*,
clang::MultiLevelTemplateArgumentList const&) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#15 0x00007fef0da1920a in
clang::Sema::InstantiateFunctionDefinition(clang::SourceLocation,
clang::FunctionDecl*, bool, bool, bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#16 0x00007fef0da18304 in clang::Sema::PerformPendingInstantiations(bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#17 0x00007fef0da18fe6 in
clang::Sema::InstantiateFunctionDefinition(clang::SourceLocation,
clang::FunctionDecl*, bool, bool, bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#18 0x00007fef0da18304 in clang::Sema::PerformPendingInstantiations(bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#19 0x00007fef0da18fe6 in
clang::Sema::InstantiateFunctionDefinition(clang::SourceLocation,
clang::FunctionDecl*, bool, bool, bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#20 0x00007fef0da18304 in clang::Sema::PerformPendingInstantiations(bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#21 0x00007fef0da18fe6 in
clang::Sema::InstantiateFunctionDefinition(clang::SourceLocation,
clang::FunctionDecl*, bool, bool, bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#22 0x00007fef0da18304 in clang::Sema::PerformPendingInstantiations(bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#23 0x00007fef0da18fe6 in
clang::Sema::InstantiateFunctionDefinition(clang::SourceLocation,
clang::FunctionDecl*, bool, bool, bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#24 0x00007fef0da18304 in clang::Sema::PerformPendingInstantiations(bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#25 0x00007fef0da18fe6 in
clang::Sema::InstantiateFunctionDefinition(clang::SourceLocation,
clang::FunctionDecl*, bool, bool, bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#26 0x00007fef0da18304 in clang::Sema::PerformPendingInstantiations(bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#27 0x00007fef0d598e8d in clang::Sema::ActOnEndOfTranslationUnit() () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#28 0x00007fef0e1bf55d in
clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#29 0x00007fef0e1b4262 in clang::ParseAST(clang::Sema&, bool, bool) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#30 0x00007fef0d473066 in clang::FrontendAction::Execute() () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#31 0x00007fef0d42af47 in
clang::ASTUnit::Parse(std::shared_ptr<clang::PCHContainerOperations>,
std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >,
llvm::IntrusiveRefCntPtr<clang::vfs::FileSystem>) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#32 0x00007fef0d42b4e5 in
clang::ASTUnit::LoadFromCompilerInvocation(std::shared_ptr<clang::PCHContainerOperations>,
unsigned int, llvm::IntrusiveRefCntPtr<clang::vfs::FileSystem>) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#33 0x00007fef0d430324 in clang::ASTUnit::LoadFromCommandLine(char const**,
char const**, std::shared_ptr<clang::PCHContainerOperations>,
llvm::IntrusiveRefCntPtr<clang::DiagnosticsEngine>, llvm::StringRef, bool,
bool, llvm::ArrayRef<std::pair<std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> >, llvm::MemoryBuffer*> >, bool,
unsigned int, clang::TranslationUnitKind, bool, bool, bool, bool, bool, bool,
bool, llvm::Optional<llvm::StringRef>, std::unique_ptr<clang::ASTUnit,
std::default_delete<clang::ASTUnit> >*,
llvm::IntrusiveRefCntPtr<clang::vfs::FileSystem>) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#34 0x00007fef0d1b8066 in clang_parseTranslationUnit_Impl(void*, char const*,
char const* const*, int, llvm::ArrayRef<CXUnsavedFile>, unsigned int,
CXTranslationUnitImpl**) () at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#35 0x00007fef0d1b8a6c in void llvm::function_ref<void
()>::callback_fn<clang_parseTranslationUnit2FullArgv::{lambda()#1}>(long) () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#36 0x00007fef09cc3603 in
llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) () at
/usr/lib/llvm-6.0/lib/../lib/libLLVM-6.0.so.1
#37 0x00007fef09cc36e4 in () at /usr/lib/llvm-6.0/lib/../lib/libLLVM-6.0.so.1
#38 0x00007fef09d3a22d in () at /usr/lib/llvm-6.0/lib/../lib/libLLVM-6.0.so.1
#39 0x00007fef5b0d26db in start_thread (arg=0x7feeebfff700) at
pthread_create.c:463
#40 0x00007fef623a988f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 9 (Thread 0x7fef0136a700 (LWP 2927)):
#0 0x00007fef5b0d3d2d in __GI___pthread_timedjoin_ex
(threadid=140664138364672, thread_return=0x0, abstime=0x0, block=<optimized
out>) at pthread_join_common.c:89
#1 0x00007fef09d3a360 in llvm::llvm_execute_on_thread(void (*)(void*), void*,
unsigned int) () at /usr/lib/llvm-6.0/lib/../lib/libLLVM-6.0.so.1
#2 0x00007fef09cc3740 in
llvm::CrashRecoveryContext::RunSafelyOnThread(llvm::function_ref<void ()>,
unsigned int) () at /usr/lib/llvm-6.0/lib/../lib/libLLVM-6.0.so.1
#3 0x00007fef0d1b531c in clang_parseTranslationUnit2FullArgv () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#4 0x00007fef0d1b5901 in clang_parseTranslationUnit2 () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#5 0x00007fef0eb13874 in
ParseSessionData::ParseSessionData(QVector<UnsavedFile> const&, ClangIndex*,
ClangParsingEnvironment const&, QFlags<ParseSessionData::Option>)
(this=<optimized out>, unsavedFiles=..., index=<optimized out>,
environment=..., options=...) at ./plugins/clang/duchain/parsesession.cpp:313
#6 0x00007fef0ed84613 in ClangParseJob::createSessionData() const
(this=this@entry=0x561925605e00) at ./plugins/clang/clangparsejob.cpp:380
#7 0x00007fef0ed87eb0 in
ClangParseJob::run(QSharedPointer<ThreadWeaver::JobInterface>,
ThreadWeaver::Thread*) (this=0x561925605e00) at
./plugins/clang/clangparsejob.cpp:286
#8 0x00007fef58cd89ca in
ThreadWeaver::IdDecorator::run(QSharedPointer<ThreadWeaver::JobInterface>,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#9 0x00007fef58cd8fa8 in
ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#10 0x00007fef58cd7c10 in
ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#11 0x00007fef58cd776d in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#12 0x00007fef62aa9bc2 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007fef5b0d26db in start_thread (arg=0x7fef0136a700) at
pthread_create.c:463
#14 0x00007fef623a988f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 8 (Thread 0x7fef01b6b700 (LWP 2926)):
[KCrash Handler]
#6 0x00000000000000e1 in ()
#7 0x00007fef0d42d263 in clang::ASTUnit::~ASTUnit() () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#8 0x00007fef0d42db72 in
llvm::CrashRecoveryContextDeleteCleanup<clang::ASTUnit>::recoverResources() ()
at /usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#9 0x00007fef09cc3171 in llvm::CrashRecoveryContext::~CrashRecoveryContext()
() at /usr/lib/llvm-6.0/lib/../lib/libLLVM-6.0.so.1
#10 0x00007fef0d1b54b4 in clang_parseTranslationUnit2FullArgv () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#11 0x00007fef0d1b5901 in clang_parseTranslationUnit2 () at
/usr/lib/llvm-6.0/lib/libclang-6.0.so.1
#12 0x00007fef0eb13874 in
ParseSessionData::ParseSessionData(QVector<UnsavedFile> const&, ClangIndex*,
ClangParsingEnvironment const&, QFlags<ParseSessionData::Option>)
(this=<optimized out>, unsavedFiles=..., index=<optimized out>,
environment=..., options=...) at ./plugins/clang/duchain/parsesession.cpp:313
#13 0x00007fef0ed84613 in ClangParseJob::createSessionData() const
(this=this@entry=0x561926d5d6d0) at ./plugins/clang/clangparsejob.cpp:380
#14 0x00007fef0ed87252 in
ClangParseJob::run(QSharedPointer<ThreadWeaver::JobInterface>,
ThreadWeaver::Thread*) (this=0x561926d5d6d0) at
./plugins/clang/clangparsejob.cpp:256
#15 0x00007fef58cd89ca in
ThreadWeaver::IdDecorator::run(QSharedPointer<ThreadWeaver::JobInterface>,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#16 0x00007fef58cd8fa8 in
ThreadWeaver::Executor::run(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#17 0x00007fef58cd7c10 in
ThreadWeaver::Job::execute(QSharedPointer<ThreadWeaver::JobInterface> const&,
ThreadWeaver::Thread*) () at /usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#18 0x00007fef58cd776d in ThreadWeaver::Thread::run() () at
/usr/lib/x86_64-linux-gnu/libKF5ThreadWeaver.so.5
#19 0x00007fef62aa9bc2 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007fef5b0d26db in start_thread (arg=0x7fef01b6b700) at
pthread_create.c:463
#21 0x00007fef623a988f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7fef02dcc700 (LWP 2864)):
#0 0x00007fef62aaa09c in QMutex::lock() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1 0x00007fef62cdf83b in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2 0x00007fef58f36f51 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fef58f374e0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fef58f3764c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007fef62cdf15b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007fef62c8064a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007fef62aa841a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007fef62aa9bc2 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007fef5b0d26db in start_thread (arg=0x7fef02dcc700) at
pthread_create.c:463
#10 0x00007fef623a988f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7fef090b9700 (LWP 2805)):
#0 0x00007fef62cdef2f in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1 0x00007fef58f36f51 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fef58f374e0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fef58f3764c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fef62cdf15b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fef62c8064a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007fef62aa841a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007fef611aff0f in KDevelop::CompletionWorkerThread::run()
(this=0x561923f33e20) at
./kdevplatform/language/codecompletion/codecompletionmodel.cpp:79
#8 0x00007fef62aa9bc2 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007fef5b0d26db in start_thread (arg=0x7fef090b9700) at
pthread_create.c:463
#10 0x00007fef623a988f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7fef17c43700 (LWP 2799)):
#0 0x00007fef58f344b7 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007fef58f36e62 in g_main_context_check () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fef58f374e0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fef58f3764c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007fef62cdf15b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fef62c8064a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007fef62aa841a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007fef610a8a3b in KDevelop::DUChainPrivate::CleanupThread::run()
(this=0x561923a0b5e0) at ./kdevplatform/language/duchain/duchain.cpp:287
#8 0x00007fef62aa9bc2 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007fef5b0d26db in start_thread (arg=0x7fef17c43700) at
pthread_create.c:463
#10 0x00007fef623a988f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7fef23fff700 (LWP 2797)):
#0 0x00007fef6239cbf9 in __GI___poll (fds=0x7fef1c004db0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fef58f37539 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007fef58f3764c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007fef62cdf15b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4 0x00007fef62c8064a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fef62aa841a in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007fef63e17015 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7 0x00007fef62aa9bc2 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007fef5b0d26db in start_thread (arg=0x7fef23fff700) at
pthread_create.c:463
#9 0x00007fef623a988f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7fef2a782700 (LWP 2796)):
#0 0x00007fef5b0d89f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x561922e04648) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007fef5b0d89f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x561922e045f8, cond=0x561922e04620) at pthread_cond_wait.c:502
#2 0x00007fef5b0d89f3 in __pthread_cond_wait (cond=0x561922e04620,
mutex=0x561922e045f8) at pthread_cond_wait.c:655
#3 0x00007fef2b6e4dcb in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4 0x00007fef2b6e4af7 in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5 0x00007fef5b0d26db in start_thread (arg=0x7fef2a782700) at
pthread_create.c:463
#6 0x00007fef623a988f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7fef333ef700 (LWP 2795)):
#0 0x00007fef6239cbf9 in __GI___poll (fds=0x7fef333ee8f8, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007fef4dd45747 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007fef4dd4736a in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007fef340e232a in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007fef62aa9bc2 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007fef5b0d26db in start_thread (arg=0x7fef333ef700) at
pthread_create.c:463
#6 0x00007fef623a988f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7fef65de6bc0 (LWP 2794)):
#0 0x00007fef5b0d89f3 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7ffe40084058) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007fef5b0d89f3 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x561922dce338, cond=0x7ffe40084030) at pthread_cond_wait.c:502
#2 0x00007fef5b0d89f3 in __pthread_cond_wait (cond=0x7ffe40084030,
mutex=0x561922dce338) at pthread_cond_wait.c:655
#3 0x00007fef4dd45952 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#4 0x00007fef4dd4706f in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#5 0x00007fef4dd47180 in xcb_wait_for_reply () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#6 0x00007fef340bb48a in QXcbConnection::sync() () at
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#7 0x00007fef340d6b53 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#8 0x00007fef340d6efc in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#9 0x00007fef638da47b in QBackingStore::beginPaint(QRegion const&) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#10 0x00007fef6445b0d4 in () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007fef6445b565 in () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007fef6447393f in QWidgetPrivate::syncBackingStore() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007fef6448b9a8 in QWidget::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007fef64594030 in QMainWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fef5ebb5b61 in KMainWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#16 0x00007fef5ebfb9c5 in KXmlGuiWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#17 0x00007fef6444b83c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007fef64452dd0 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007fef62c82328 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#20 0x00007fef62c84e87 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007fef62cdfb23 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fef58f37387 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fef58f375c0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fef58f3764c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fef62cdf13f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fef62c8064a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fef62c89800 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x0000561921147190 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at ./app/main.cpp:849
Reported using DrKonqi
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