https://bugs.kde.org/show_bug.cgi?id=358787
Bug ID: 358787
Summary: deadlock between background parser and code completion
Product: kdevelop
Version: git master
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: grave
Priority: NOR
Component: Language Support: CPP (Clang-based)
Assignee: kdevelop-bugs-n...@kde.org
Reporter: m...@milianw.de
Ouch, this is going to be nasty... The background parser is stuck and code
completion also isn't showing up anymore:
Thread 22 (Thread 0x7f81e8b5e700 (LWP 24145)):
#0 0x00007f8200ec518d in poll () from /usr/lib/libc.so.6
#1 0x00007f81f50f3ae2 in ?? () from /usr/lib/libxcb.so.1
#2 0x00007f81f50f5757 in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3 0x00007f81e9c4f379 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4 0x00007f8201ac4b8e in ?? () from /usr/lib/libQt5Core.so.5
#5 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#6 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 21 (Thread 0x7f81d7544700 (LWP 24156)):
#0 0x00007f81f9e1e07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f8201ac5e2b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#2 0x00007f8201abdee6 in QReadWriteLock::lockForWrite() () from
/usr/lib/libQt5Core.so.5
#3 0x00007f81fee3d6b7 in KDevelop::DUChainPrivate::doMoreCleanup
(this=0x7f81ff6e4518 <KDevelop::(anonymous
namespace)::Q_QGS_sdDUChainPrivate::innerFunction()::holder>, retries=1,
needLockRepository=true) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevplatform/language/duchain/duchain.cpp:718
#4 0x00007f81fee4e3e6 in KDevelop::DUChainPrivate::CleanupThread::run
(this=0x390f770) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevplatform/language/duchain/duchain.cpp:289
#5 0x00007f8201ac4b8e in ?? () from /usr/lib/libQt5Core.so.5
#6 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#7 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 20 (Thread 0x7f81d52cd700 (LWP 24160)):
#0 0x00007f8200ec518d in poll () from /usr/lib/libc.so.6
#1 0x00007f81f7b2efbc in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007f81f7b2f0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3 0x00007f8201cfc54f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007f8201ca357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007f8201abfbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6 0x00007f8201ac4b8e in ?? () from /usr/lib/libQt5Core.so.5
#7 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#8 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 19 (Thread 0x7f81c54e1700 (LWP 24169)):
#0 0x00007f8200ec518d in poll () from /usr/lib/libc.so.6
#1 0x00007f81f7b2efbc in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007f81f7b2f0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3 0x00007f8201cfc56b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007f8201ca357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007f8201abfbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6 0x00007f81fef909e4 in KDevelop::CompletionWorkerThread::run
(this=0x4b86c60) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevplatform/language/codecompletion/codecompletionmodel.cpp:89
#7 0x00007f8201ac4b8e in ?? () from /usr/lib/libQt5Core.so.5
#8 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#9 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 18 (Thread 0x7f81b1ccb700 (LWP 24171)):
#0 0x00007f81f9e1970d in pthread_join () from /usr/lib/libpthread.so.0
#1 0x00007f81b26dfcd0 in llvm::llvm_execute_on_thread(void (*)(void*), void*,
unsigned int) () from /usr/lib/../lib/libLLVM.so.3.7
#2 0x00007f81b2674af0 in
llvm::CrashRecoveryContext::RunSafelyOnThread(llvm::function_ref<void ()>,
unsigned int) () from /usr/lib/../lib/libLLVM.so.3.7
#3 0x00007f81b49f2e47 in ?? () from /usr/lib/libclang.so.3.7
#4 0x00007f81b4a0b253 in clang_codeCompleteAt () from /usr/lib/libclang.so.3.7
#5 0x00007f81b5970f8a in
ClangCodeCompletionContext::ClangCodeCompletionContext (this=0x7f81acde6dd0,
context=..., sessionData=..., url=..., position=..., text=...,
followingText=...) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevelop/languages/clang/codecompletion/context.cpp:767
#6 0x00007f81b596fdff in
QSharedPointer<ClangCodeCompletionContext>::create<KDevelop::DUChainPointer<KDevelop::DUContext>
const&, QExplicitlySharedDataPointer<ParseSessionData> const&, QUrl const&,
KTextEditor::Cursor const&, QString const&, QString const&> (arguments=...,
arguments=..., arguments=..., arguments=..., arguments=..., arguments=...) at
/usr/include/qt/QtCore/qsharedpointer_impl.h:400
#7 0x00007f81b596ed45 in (anonymous
namespace)::ClangCodeCompletionWorker::qt_static_metacall (_o=0x7f81b1cca4e0,
_c=32641, _id=-1311988400, _a=0x6ed8750) at
/home/milian/projects/kf5/build/extragear/kdevelop/kdevelop/languages/clang/codecompletion/model.moc:85
#8 0x00007f81b596decc in (anonymous
namespace)::ClangCodeCompletionWorker::completionRequested (this=0x54f65c0,
url=..., position=..., text=..., followingText=...) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevelop/languages/clang/codecompletion/model.cpp:114
#9 0x00007f81b596f230 in QtPrivate::FunctionPointer<void ((anonymous
namespace)::ClangCodeCompletionWorker::*)(QUrl const&, KTextEditor::Cursor
const&, QString const&, QString const&)>::call<QtPrivate::List<QUrl const&,
KTextEditor::Cursor const&, QString const&, QString const&>, void> (f=(void
((anonymous namespace)::ClangCodeCompletionWorker::*)((anonymous
namespace)::ClangCodeCompletionWorker * const, const QUrl &, const
KTextEditor::Cursor &, const QString &, const QString &)) 0x7f81b596db80
<QObject::connect<void (ClangCodeCompletionModel::*)(QUrl const&,
KTextEditor::Cursor const&, QString const&, QString const&), void ((anonymous
namespace)::ClangCodeCompletionWorker::*)(QUrl const&, KTextEditor::Cursor
const&, QString const&, QString const&)>(QtPrivate::FunctionPointer<void
(ClangCodeCompletionModel::*)(QUrl const&, KTextEditor::Cursor const&, QString
const&, QString const&)>::Object const*, void
(ClangCodeCompletionModel::*)(QUrl const&, KTextEditor::Cursor const&, QString
const&, QString const&), QtPrivate::FunctionPointer<void ((anonymous
namespace)::ClangCodeCompletionWorker::*)(QUrl const&, KTextEditor::Cursor
const&, QString const&, QString const&)>::Object const*, void ((anonymous
namespace)::ClangCodeCompletionWorker::*)(QUrl const&, KTextEditor::Cursor
const&, QString const&, QString const&), Qt::ConnectionType)+256>, o=0x54f65c0,
arg=0xe830610) at /usr/include/qt/QtCore/qobjectdefs_impl.h:520
#10 0x00007f81b596f170 in QtPrivate::QSlotObject<void ((anonymous
namespace)::ClangCodeCompletionWorker::*)(QUrl const&, KTextEditor::Cursor
const&, QString const&, QString const&), QtPrivate::List<QUrl const&,
KTextEditor::Cursor const&, QString const&, QString const&>, void>::impl
(which=0, this_=0x7f81b596db80 <QObject::connect<void
(ClangCodeCompletionModel::*)(QUrl const&, KTextEditor::Cursor const&, QString
const&, QString const&), void ((anonymous
namespace)::ClangCodeCompletionWorker::*)(QUrl const&, KTextEditor::Cursor
const&, QString const&, QString const&)>(QtPrivate::FunctionPointer<void
(ClangCodeCompletionModel::*)(QUrl const&, KTextEditor::Cursor const&, QString
const&, QString const&)>::Object const*, void
(ClangCodeCompletionModel::*)(QUrl const&, KTextEditor::Cursor const&, QString
const&, QString const&), QtPrivate::FunctionPointer<void ((anonymous
namespace)::ClangCodeCompletionWorker::*)(QUrl const&, KTextEditor::Cursor
const&, QString const&, QString const&)>::Object const*, void ((anonymous
namespace)::ClangCodeCompletionWorker::*)(QUrl const&, KTextEditor::Cursor
const&, QString const&, QString const&), Qt::ConnectionType)+256>, r=0x0,
a=0x7f81b596db80 <QObject::connect<void (ClangCodeCompletionModel::*)(QUrl
const&, KTextEditor::Cursor const&, QString const&, QString const&), void
((anonymous namespace)::ClangCodeCompletionWorker::*)(QUrl const&,
KTextEditor::Cursor const&, QString const&, QString
const&)>(QtPrivate::FunctionPointer<void (ClangCodeCompletionModel::*)(QUrl
const&, KTextEditor::Cursor const&, QString const&, QString const&)>::Object
const*, void (ClangCodeCompletionModel::*)(QUrl const&, KTextEditor::Cursor
const&, QString const&, QString const&), QtPrivate::FunctionPointer<void
((anonymous namespace)::ClangCodeCompletionWorker::*)(QUrl const&,
KTextEditor::Cursor const&, QString const&, QString const&)>::Object const*,
void ((anonymous namespace)::ClangCodeCompletionWorker::*)(QUrl const&,
KTextEditor::Cursor const&, QString const&, QString const&),
Qt::ConnectionType)+256>, ret=0x54f65c0) at
/usr/include/qt/QtCore/qobject_impl.h:143
#11 0x00007f81b596f0a6 in QtPrivate::QSlotObject<void ((anonymous
namespace)::ClangCodeCompletionWorker::*)(QUrl const&, KTextEditor::Cursor
const&, QString const&, QString const&), QtPrivate::List<QUrl const&,
KTextEditor::Cursor const&, QString const&, QString const&>, void>::QSlotObject
(this=0x54f65c0, f=NULL) at /usr/include/qt/QtCore/qobject_impl.h:152
#12 0x00007f8201cd51e1 in QObject::event(QEvent*) () from
/usr/lib/libQt5Core.so.5
#13 0x00007f82025989ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#14 0x00007f820259de86 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#15 0x00007f8201ca5bab in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#16 0x00007f8201ca7fa6 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#17 0x00007f8201cfc143 in ?? () from /usr/lib/libQt5Core.so.5
#18 0x00007f81f7b2edc7 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#19 0x00007f81f7b2f020 in ?? () from /usr/lib/libglib-2.0.so.0
#20 0x00007f81f7b2f0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#21 0x00007f8201cfc54f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#22 0x00007f8201ca357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#23 0x00007f8201abfbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#24 0x00007f81fef909e4 in KDevelop::CompletionWorkerThread::run
(this=0x54f3e60) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevplatform/language/codecompletion/codecompletionmodel.cpp:89
#25 0x00007f8201ac4b8e in ?? () from /usr/lib/libQt5Core.so.5
#26 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#27 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 17 (Thread 0x7f81a9429700 (LWP 24202)):
#0 0x00007f8200ec518d in poll () from /usr/lib/libc.so.6
#1 0x00007f81f7b2efbc in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007f81f7b2f0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3 0x00007f8201cfc54f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007f8201ca357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007f8201abfbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6 0x00007f82071c9055 in ?? () from /usr/lib/libQt5Qml.so.5
#7 0x00007f8201ac4b8e in ?? () from /usr/lib/libQt5Core.so.5
#8 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#9 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 16 (Thread 0x7f819bfff700 (LWP 24432)):
#0 0x00007f81f9e1e07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f8201ac5e2b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#2 0x00007f8201abd2c7 in QReadWriteLock::lockForRead() () from
/usr/lib/libQt5Core.so.5
#3 0x00007f81b58b44a4 in KTextEditor::operator>= (c1=..., c2=...) at
/home/milian/projects/compiled/kf5/include/KF5/KTextEditor/ktexteditor/cursor.h:303
#4 0x00007f81b58b1b8d in ?? () at /usr/include/qt/QtCore/qlist.h:797 from
/home/milian/projects/compiled/kf5/lib64/plugins/kdevplatform/24/kdevclangsupport.so
#5 0x00007f819bffe4b0 in ?? ()
#6 0x00007f819bffe8e8 in ?? ()
#7 0x00000000054f3530 in ?? ()
#8 0x00007f819bffe8e8 in ?? ()
#9 0x00007f819bffe900 in ?? ()
#10 0x00007f81b58af692 in (anonymous namespace)::trackerForUrl (url=...) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevelop/languages/clang/clangparsejob.cpp:157
Backtrace stopped: frame did not save the PC
Thread 15 (Thread 0x7f81e24dc700 (LWP 24433)):
#0 0x00007f81f9e1e07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f8201ac5e2b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#2 0x00007f8201abd2c7 in QReadWriteLock::lockForRead() () from
/usr/lib/libQt5Core.so.5
#3 0x00007f81b58b44a4 in KTextEditor::operator>= (c1=..., c2=...) at
/home/milian/projects/compiled/kf5/include/KF5/KTextEditor/ktexteditor/cursor.h:303
#4 0x00007f81b58b1b8d in ?? () at /usr/include/qt/QtCore/qlist.h:797 from
/home/milian/projects/compiled/kf5/lib64/plugins/kdevplatform/24/kdevclangsupport.so
#5 0x00007f81e24db4b0 in ?? ()
#6 0x00007f81e24db8e8 in ?? ()
#7 0x00000000054f3530 in ?? ()
#8 0x00007f81e24db8e8 in ?? ()
#9 0x00007f81e24db900 in ?? ()
#10 0x00007f81b58af692 in (anonymous namespace)::trackerForUrl (url=...) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevelop/languages/clang/clangparsejob.cpp:157
Backtrace stopped: frame did not save the PC
Thread 14 (Thread 0x7f81aabc0700 (LWP 24434)):
#0 0x00007f81f9e1e07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f8201ac5e2b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#2 0x00007f8201abd2c7 in QReadWriteLock::lockForRead() () from
/usr/lib/libQt5Core.so.5
#3 0x00007f81b58b44a4 in KTextEditor::operator>= (c1=..., c2=...) at
/home/milian/projects/compiled/kf5/include/KF5/KTextEditor/ktexteditor/cursor.h:303
#4 0x00007f81b58b1b8d in ?? () at /usr/include/qt/QtCore/qlist.h:797 from
/home/milian/projects/compiled/kf5/lib64/plugins/kdevplatform/24/kdevclangsupport.so
#5 0x00007f81aabbf4b0 in ?? ()
#6 0x00007f81aabbf8e8 in ?? ()
#7 0x00000000054f3530 in ?? ()
#8 0x00007f81aabbf8e8 in ?? ()
#9 0x00007f81aabbf900 in ?? ()
#10 0x00007f81b58af692 in (anonymous namespace)::trackerForUrl (url=...) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevelop/languages/clang/clangparsejob.cpp:157
Backtrace stopped: frame did not save the PC
Thread 13 (Thread 0x7f81ab3c1700 (LWP 24435)):
#0 0x00007f8200ec9cf9 in syscall () from /usr/lib/libc.so.6
#1 0x00007f8201abcc58 in QBasicMutex::lockInternal() () from
/usr/lib/libQt5Core.so.5
#2 0x00007f81b58c1c96 in ParseSession::ParseSession (this=0x7f81ab3c0810,
data=...) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevelop/languages/clang/duchain/parsesession.cpp:299
#3 0x00007f81b58afbde in ClangParseJob::run (this=0x6a28e10) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevelop/languages/clang/clangparsejob.cpp:263
#4 0x00007f81b58b0bac in (anonymous namespace)::parsingEnvironmentFile
(context=0x6a28e20) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevelop/languages/clang/clangparsejob.cpp:152
#5 0x00007f81fe187b85 in ThreadWeaver::IdDecorator::run (this=0xa7d7a20,
self=..., thread=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/iddecorator.cpp:69
#6 0x00007f81fe188ae2 in ThreadWeaver::Executor::run (this=0x7f81fe3a5db8
<ThreadWeaver::Private::defaultExecutor>, job=..., thread=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/executor.cpp:52
#7 0x00007f81fe187680 in ThreadWeaver::Private::DefaultExecutor::execute
(this=0x7f81fe3a5db8 <ThreadWeaver::Private::defaultExecutor>, job=...,
thread=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/job_p.cpp:70
#8 0x00007f81fe188d8f in ThreadWeaver::ExecuteWrapper::executeWrapped
(this=0xde64ff8, job=..., thread=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/executewrapper.cpp:64
#9 0x00007f81fe1875cc in ThreadWeaver::Private::DebugExecuteWrapper::execute
(this=0xde64ff8, job=..., th=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/job_p.cpp:58
#10 0x00007f81fe188d8f in ThreadWeaver::ExecuteWrapper::executeWrapped
(this=0xde65020, job=..., thread=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/executewrapper.cpp:64
#11 0x00007f81fe188d15 in ThreadWeaver::ExecuteWrapper::execute
(this=0xde65020, job=..., thread=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/executewrapper.cpp:57
#12 0x00007f81fe188d8f in ThreadWeaver::ExecuteWrapper::executeWrapped
(this=0xeb0c490, job=..., thread=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/executewrapper.cpp:64
#13 0x00007f81fe188d15 in ThreadWeaver::ExecuteWrapper::execute
(this=0xeb0c490, job=..., thread=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/executewrapper.cpp:57
#14 0x00007f81fe185ce5 in ThreadWeaver::Job::execute (this=0x6a28e20, self=...,
th=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/job.cpp:83
#15 0x00007f81fe18b5d0 in ThreadWeaver::Collection::execute (this=0x6a28e20,
job=..., thread=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/collection.cpp:151
#16 0x00007f81fe188389 in ThreadWeaver::IdDecorator::execute (this=0xa7d7a20,
self=..., thread=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/iddecorator.cpp:177
#17 0x00007f81fe18530e in ThreadWeaver::Thread::run (this=0x7f819c1c7da0) at
/home/milian/projects/kf5/src/frameworks/threadweaver/src/thread.cpp:114
#18 0x00007f8201ac4b8e in ?? () from /usr/lib/libQt5Core.so.5
#19 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#20 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 12 (Thread 0x7f81a8c28700 (LWP 24436)):
#0 0x00007f81f9e1e07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f8201ac5e2b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQt5Core.so.5
#2 0x00007f8201abd2c7 in QReadWriteLock::lockForRead() () from
/usr/lib/libQt5Core.so.5
#3 0x00007f81b58b44a4 in KTextEditor::operator>= (c1=..., c2=...) at
/home/milian/projects/compiled/kf5/include/KF5/KTextEditor/ktexteditor/cursor.h:303
#4 0x00007f81b58b1b8d in ?? () at /usr/include/qt/QtCore/qlist.h:797 from
/home/milian/projects/compiled/kf5/lib64/plugins/kdevplatform/24/kdevclangsupport.so
#5 0x00007f81a8c274b0 in ?? ()
#6 0x00007f81a8c278e8 in ?? ()
#7 0x00000000054f3530 in ?? ()
#8 0x00007f81a8c278e8 in ?? ()
#9 0x00007f81a8c27900 in ?? ()
#10 0x00007f81b58af692 in (anonymous namespace)::trackerForUrl (url=...) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevelop/languages/clang/clangparsejob.cpp:157
Backtrace stopped: frame did not save the PC
Thread 11 (Thread 0x7f818f7fe700 (LWP 24440)):
#0 0x00007f8200ec518d in poll () from /usr/lib/libc.so.6
#1 0x00007f81f7b2efbc in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007f81f7b2f0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3 0x00007f8201cfc56b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007f8201ca357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007f8201abfbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6 0x00007f81fef909e4 in KDevelop::CompletionWorkerThread::run
(this=0x1f60d50) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevplatform/language/codecompletion/codecompletionmodel.cpp:89
#7 0x00007f8201ac4b8e in ?? () from /usr/lib/libQt5Core.so.5
#8 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#9 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 10 (Thread 0x7f818d995700 (LWP 3989)):
#0 0x00007f81f9e1e07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f81f9d03934 in ?? () from /usr/lib/libQt5Script.so.5
#2 0x00007f81f9d03979 in ?? () from /usr/lib/libQt5Script.so.5
#3 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#4 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 9 (Thread 0x7f818ffff700 (LWP 4184)):
#0 0x00007f8200ec518d in poll () from /usr/lib/libc.so.6
#1 0x00007f81f7b2efbc in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007f81f7b2f0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3 0x00007f8201cfc54f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007f8201ca357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007f8201abfbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6 0x00007f82071c9055 in ?? () from /usr/lib/libQt5Qml.so.5
#7 0x00007f8201ac4b8e in ?? () from /usr/lib/libQt5Core.so.5
#8 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#9 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 8 (Thread 0x7f818e7fc700 (LWP 12833)):
#0 0x00007f81f9e1e07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f81fc59548b in ?? () from /usr/lib/libQt5WebKit.so.5
#2 0x00007f81fc5954c9 in ?? () from /usr/lib/libQt5WebKit.so.5
#3 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#4 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 7 (Thread 0x7f818effd700 (LWP 12834)):
#0 0x00007f8200ec518d in poll () from /usr/lib/libc.so.6
#1 0x00007f81f7b2efbc in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007f81f7b2f0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3 0x00007f8201cfc54f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007f8201ca357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007f8201abfbe4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6 0x00007f8201ac4b8e in ?? () from /usr/lib/libQt5Core.so.5
#7 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#8 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 6 (Thread 0x7f8177fff700 (LWP 12835)):
#0 0x00007f81f9e1e07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f81fc294644 in ?? () from /usr/lib/libQt5WebKit.so.5
#2 0x00007f81fc5c5101 in ?? () from /usr/lib/libQt5WebKit.so.5
#3 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#4 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 5 (Thread 0x7f8175106700 (LWP 12836)):
#0 0x00007f81f9e1e07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f81fc2956b3 in ?? () from /usr/lib/libQt5WebKit.so.5
#2 0x00007f81fc5c5101 in ?? () from /usr/lib/libQt5WebKit.so.5
#3 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#4 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 4 (Thread 0x7f8174905700 (LWP 12837)):
#0 0x00007f81f9e1e07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f81fc2956b3 in ?? () from /usr/lib/libQt5WebKit.so.5
#2 0x00007f81fc5c5101 in ?? () from /usr/lib/libQt5WebKit.so.5
#3 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#4 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 3 (Thread 0x7f8174104700 (LWP 12838)):
#0 0x00007f81f9e1e07f in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1 0x00007f81fc2956b3 in ?? () from /usr/lib/libQt5WebKit.so.5
#2 0x00007f81fc5c5101 in ?? () from /usr/lib/libQt5WebKit.so.5
#3 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#4 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 2 (Thread 0x7f8173903700 (LWP 13145)):
#0 0x00007f81b4f66b99 in ?? () from /usr/lib/libclang.so.3.7
#1 0x00007f81b4f6fb46 in ?? () from /usr/lib/libclang.so.3.7
#2 0x00007f81b4d2fe4e in ?? () from /usr/lib/libclang.so.3.7
#3 0x00007f81b4d30307 in ?? () from /usr/lib/libclang.so.3.7
#4 0x00007f81b4d4bd71 in ?? () from /usr/lib/libclang.so.3.7
#5 0x00007f81b4d4be98 in ?? () from /usr/lib/libclang.so.3.7
#6 0x00007f81b4d4caf4 in ?? () from /usr/lib/libclang.so.3.7
#7 0x00007f81b51e99ba in ?? () from /usr/lib/libclang.so.3.7
#8 0x00007f81b51e36bb in ?? () from /usr/lib/libclang.so.3.7
#9 0x00007f81b51e630d in ?? () from /usr/lib/libclang.so.3.7
#10 0x00007f81b51e639f in ?? () from /usr/lib/libclang.so.3.7
#11 0x00007f81b51e6419 in ?? () from /usr/lib/libclang.so.3.7
#12 0x00007f81b51eea66 in ?? () from /usr/lib/libclang.so.3.7
#13 0x00007f81b521fcc6 in ?? () from /usr/lib/libclang.so.3.7
#14 0x00007f81b5224cd3 in ?? () from /usr/lib/libclang.so.3.7
#15 0x00007f81b52212bb in ?? () from /usr/lib/libclang.so.3.7
#16 0x00007f81b522187b in ?? () from /usr/lib/libclang.so.3.7
#17 0x00007f81b522639e in ?? () from /usr/lib/libclang.so.3.7
#18 0x00007f81b5226a9e in ?? () from /usr/lib/libclang.so.3.7
#19 0x00007f81b5226ad2 in ?? () from /usr/lib/libclang.so.3.7
#20 0x00007f81b5221422 in ?? () from /usr/lib/libclang.so.3.7
#21 0x00007f81b522187b in ?? () from /usr/lib/libclang.so.3.7
#22 0x00007f81b522199a in ?? () from /usr/lib/libclang.so.3.7
#23 0x00007f81b522217c in ?? () from /usr/lib/libclang.so.3.7
#24 0x00007f81b52212eb in ?? () from /usr/lib/libclang.so.3.7
#25 0x00007f81b522187b in ?? () from /usr/lib/libclang.so.3.7
#26 0x00007f81b522639e in ?? () from /usr/lib/libclang.so.3.7
#27 0x00007f81b5228b26 in ?? () from /usr/lib/libclang.so.3.7
#28 0x00007f81b51afce2 in ?? () from /usr/lib/libclang.so.3.7
#29 0x00007f81b51c8f8d in ?? () from /usr/lib/libclang.so.3.7
#30 0x00007f81b51ac052 in ?? () from /usr/lib/libclang.so.3.7
#31 0x00007f81b51ac6c9 in ?? () from /usr/lib/libclang.so.3.7
#32 0x00007f81b51ac6ff in ?? () from /usr/lib/libclang.so.3.7
#33 0x00007f81b51b2e8f in ?? () from /usr/lib/libclang.so.3.7
#34 0x00007f81b51d8265 in ?? () from /usr/lib/libclang.so.3.7
#35 0x00007f81b51d8d3c in ?? () from /usr/lib/libclang.so.3.7
#36 0x00007f81b51cbd9d in ?? () from /usr/lib/libclang.so.3.7
#37 0x00007f81b51b2eb1 in ?? () from /usr/lib/libclang.so.3.7
#38 0x00007f81b51b3869 in ?? () from /usr/lib/libclang.so.3.7
#39 0x00007f81b51a7a53 in ?? () from /usr/lib/libclang.so.3.7
#40 0x00007f81b4c4f096 in ?? () from /usr/lib/libclang.so.3.7
#41 0x00007f81b4c17592 in ?? () from /usr/lib/libclang.so.3.7
#42 0x00007f81b4a0a9a2 in ?? () from /usr/lib/libclang.so.3.7
#43 0x00007f81b2674a2c in
llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) () from
/usr/lib/../lib/libLLVM.so.3.7
#44 0x00007f81b2674a84 in ?? () from /usr/lib/../lib/libLLVM.so.3.7
#45 0x00007f81b26dfc4d in ?? () from /usr/lib/../lib/libLLVM.so.3.7
#46 0x00007f81f9e184a4 in start_thread () from /usr/lib/libpthread.so.0
#47 0x00007f8200ece13d in clone () from /usr/lib/libc.so.6
Thread 1 (Thread 0x7f81ea044880 (LWP 24137)):
#0 0x00007f8200ec518d in poll () from /usr/lib/libc.so.6
#1 0x00007f81f7b2efbc in ?? () from /usr/lib/libglib-2.0.so.0
#2 0x00007f81f7b2f0cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3 0x00007f8201cfc54f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4 0x00007f8201ca357a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5 0x00007f8201cab53c in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#6 0x000000000040e7f5 in main (argc=3, argv=0x7ffea3987fa8) at
/home/milian/projects/kf5/src/extragear/kdevelop/kdevelop/app/main.cpp:655
quit
Detaching from program: /home/milian/projects/compiled/kf5/bin/kdevelop,
process 24137
Reproducible: Couldn't Reproduce
Steps to Reproduce:
not sure how to reproduce it, first time I hit this
Actual Results:
deadlock
Expected Results:
no deadlock
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