'[Bug 270136] New: Crash after opening project'

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List:       kdevelop-bugs
Subject:    [Bug 270136] New: Crash after opening project
From:       Gunther Piez <gpiez () web ! de>
Date:       2011-04-05 8:45:02
Message-ID: bug-270136-40295 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=270136

           Summary: Crash after opening project
           Product: kdevelop
           Version: 4.2.60
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kdevelop-bugs@kdevelop.org
        ReportedBy: gpiez@web.de

Application: kdevelop (4.2.60)
KDE Platform Version: 4.6.2 (4.6.2) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 2.6.38.2 x86_64
Distribution (Platform): Gentoo Packages

-- Information about the crash:
- What I was doing when the application crashed:

Starting a clean kdevelop without a project. After opening a project, kdevelop
crashes. Happens since update to git head.

The crash can be reproduced every time.

-- Backtrace:
Application: KDevelop (kdevelop), signal: Segmentation fault
pthread_cond_wait () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
    in ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S
[Current thread is 1 (Thread 0x7f9513471780 (LWP 12288))]

Thread 9 (Thread 0x7f950c025700 (LWP 12306)):
#0  pthread_cond_timedwait () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00000030066783dd in wait (this=<value optimized out>, mutex=0xc62710,
time=<value optimized out>) at thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0xc62710,
time=<value optimized out>) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f951374fd6b in KDevelop::DUChainPrivate::CleanupThread::run() ()
from /usr/local/lib64/libkdevplatformlanguage.so.4
#4  0x0000003006677c6e in QThreadPrivate::start (arg=0xc626f0) at
thread/qthread_unix.cpp:320
#5  0x0000003002206a46 in start_thread () from /lib/libpthread.so.0
#6  0x00000030016e10ad in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 8 (Thread 0x7f95087e7700 (LWP 12312)):
#0  0x0000003002209134 in pthread_mutex_lock () from /lib/libpthread.so.0
#1  0x0000003003643e25 in g_main_context_prepare (context=0x10e24a0,
priority=0x7f95087e6cec) at gmain.c:2471
#2  0x0000003003644ea9 in g_main_context_iterate (context=0x10e24a0, block=1,
dispatch=1, self=<value optimized out>) at gmain.c:2760
#3  0x000000300364555d in g_main_context_iteration (context=0x10e24a0,
may_block=1) at gmain.c:2843
#4  0x00000030067a9fe6 in QEventDispatcherGlib::processEvents (this=0x1383a00,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x0000003006778562 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00000030067787a4 in QEventLoop::exec (this=0x7f95087e6e00, flags=...) at
kernel/qeventloop.cpp:201
#7  0x0000003006674264 in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:492
#8  0x0000003006677c6e in QThreadPrivate::start (arg=0xf60e90) at
thread/qthread_unix.cpp:320
#9  0x0000003002206a46 in start_thread () from /lib/libpthread.so.0
#10 0x00000030016e10ad in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 7 (Thread 0x7f9508fe8700 (LWP 12313)):
#0  0x0000003004a012e0 in pthread_getspecific@plt () from
/usr/lib/libgthread-2.0.so.0
#1  0x0000003003672c39 in g_thread_self () at gthread.c:2113
#2  0x0000003003643360 in g_main_context_acquire (context=0x110bcc0) at
gmain.c:2231
#3  0x0000003003644e25 in g_main_context_iterate (context=0x110bcc0, block=1,
dispatch=1, self=<value optimized out>) at gmain.c:2724
#4  0x000000300364555d in g_main_context_iteration (context=0x110bcc0,
may_block=1) at gmain.c:2843
#5  0x00000030067a9fe6 in QEventDispatcherGlib::processEvents (this=0x1373a00,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#6  0x0000003006778562 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00000030067787a4 in QEventLoop::exec (this=0x7f9508fe7e00, flags=...) at
kernel/qeventloop.cpp:201
#8  0x0000003006674264 in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:492
#9  0x0000003006677c6e in QThreadPrivate::start (arg=0x11132e0) at
thread/qthread_unix.cpp:320
#10 0x0000003002206a46 in start_thread () from /lib/libpthread.so.0
#11 0x00000030016e10ad in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 6 (Thread 0x7f950451f700 (LWP 12318)):
#0  pthread_cond_wait () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000003026db5c94 in scavengerThread (context=0x30270d8140) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x30270d8140) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003002206a46 in start_thread () from /lib/libpthread.so.0
#4  0x00000030016e10ad in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 5 (Thread 0x7f950357e700 (LWP 12324)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f950357db00 in ?? ()
#2  0x00007fff101976e2 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 4 (Thread 0x7f9501c60700 (LWP 12338)):
#0  pthread_cond_wait () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000003030a923e4 in WTF::TCMalloc_PageHeap::runScavengerThread(void*) ()
from /usr/lib64/qt4/libQtWebKit.so.4
#2  0x0000003002206a46 in start_thread () from /lib/libpthread.so.0
#3  0x00000030016e10ad in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x7f94fecda700 (LWP 12537)):
[KCrash Handler]
#6  0x00007f9504d4f728 in QList<Parser::PendingError>::~QList() () from
/usr/local/lib64/libkdev4cppparser.so
#7  0x00007f9504d40cc0 in Parser::~Parser() () from
/usr/local/lib64/libkdev4cppparser.so
#8  0x00007f950504a35d in Cpp::ExpressionParser::evaluateType(QByteArray
const&, KDevelop::DUChainPointer<KDevelop::DUContext>, KDevelop::TopDUContext
const*, bool) () from /usr/local/lib64/libkdev4cppduchain.so
#9  0x00007f9505040c72 in
DelayedTypeResolver::exchange(TypePtr<KDevelop::AbstractType> const&) () from
/usr/local/lib64/libkdev4cppduchain.so
#10 0x00007f950503a7ae in
Cpp::resolveDelayedTypes(TypePtr<KDevelop::AbstractType>, KDevelop::DUContext
const*, KDevelop::TopDUContext const*, QFlags<KDevelop::DUContext::SearchFlag>)
() from /usr/local/lib64/libkdev4cppduchain.so
#11 0x00007f9504fd9c14 in
Cpp::CppDUContext<KDevelop::DUContext>::findDeclarationsInternal(KDevelop::QualifiedIdentifier
 const&, KDevelop::CursorInRevision const&, TypePtr<KDevelop::AbstractType>
const&, KDevVarLengthArray<KDevelop::Declaration*, 40>&, KDevelop::TopDUContext
const*, QFlags<KDevelop::DUContext::SearchFlag>) const () from
/usr/local/lib64/libkdev4cppduchain.so
#12 0x00007f9504fde675 in
Cpp::CppDUContext<KDevelop::DUContext>::findDeclarationsInternal(KDevVarLengthArray<KSharedPtr<KDevelop::DUContext::SearchItem>,
 256> const&, KDevelop::CursorInRevision const&, TypePtr<KDevelop::AbstractType>
const&, KDevVarLengthArray<KDevelop::Declaration*, 40>&, KDevelop::TopDUContext
const*, QFlags<KDevelop::DUContext::SearchFlag>, unsigned int) const () from
/usr/local/lib64/libkdev4cppduchain.so
#13 0x00007f95137575f2 in
KDevelop::DUContext::findDeclarations(KDevelop::QualifiedIdentifier const&,
KDevelop::CursorInRevision const&, TypePtr<KDevelop::AbstractType> const&,
KDevelop::TopDUContext const*, QFlags<KDevelop::DUContext::SearchFlag>) const
() from /usr/local/lib64/libkdevplatformlanguage.so.4
#14 0x00007f950500c42f in TypeBuilder::openTypeFromName(NameAST*, unsigned int,
bool) () from /usr/local/lib64/libkdev4cppduchain.so
#15 0x00007f950500d168 in
TypeBuilder::visitSimpleTypeSpecifier(SimpleTypeSpecifierAST*) () from
/usr/local/lib64/libkdev4cppduchain.so
#16 0x00007f9504d3593e in DefaultVisitor::visitTypeId(TypeIdAST*) () from
/usr/local/lib64/libkdev4cppparser.so
#17 0x00007f9504fdec98 in DeclarationBuilder::visitTypeId(TypeIdAST*) () from
/usr/local/lib64/libkdev4cppduchain.so
#18 0x00007f9504d35ec3 in DefaultVisitor::visitTypeParameter(TypeParameterAST*)
() from /usr/local/lib64/libkdev4cppparser.so
#19 0x00007f9504d358ae in
DefaultVisitor::visitTemplateParameter(TemplateParameterAST*) () from
/usr/local/lib64/libkdev4cppparser.so
#20 0x00007f950500bd0f in
TypeBuilder::visitTemplateParameter(TemplateParameterAST*) () from
/usr/local/lib64/libkdev4cppduchain.so
#21 0x00007f9504fe7073 in
DeclarationBuilder::visitTemplateParameter(TemplateParameterAST*) () from
/usr/local/lib64/libkdev4cppduchain.so
#22 0x00007f9504fd42ae in void visitNodes<TemplateParameterAST*>(Visitor*,
ListNode<TemplateParameterAST*> const*) () from
/usr/local/lib64/libkdev4cppduchain.so
#23 0x00007f9504fd1626 in
ContextBuilder::visitTemplateDeclaration(TemplateDeclarationAST*) () from
/usr/local/lib64/libkdev4cppduchain.so
#24 0x00007f9504d3608e in void visitNodes<DeclarationAST*>(Visitor*,
ListNode<DeclarationAST*> const*) () from /usr/local/lib64/libkdev4cppparser.so
#25 0x00007f9504fcefc2 in ContextBuilder::visitNamespace(NamespaceAST*) () from
/usr/local/lib64/libkdev4cppduchain.so
#26 0x00007f9504fe4c57 in DeclarationBuilder::visitNamespace(NamespaceAST*) ()
from /usr/local/lib64/libkdev4cppduchain.so
#27 0x00007f9504d3608e in void visitNodes<DeclarationAST*>(Visitor*,
ListNode<DeclarationAST*> const*) () from /usr/local/lib64/libkdev4cppparser.so
#28 0x00007f9504fd37e1 in KDevelop::AbstractContextBuilder<AST,
NameAST>::supportBuild(AST*, KDevelop::DUContext*) () from
/usr/local/lib64/libkdev4cppduchain.so
#29 0x00007f9504fd2ead in
ContextBuilder::buildContexts(KSharedPtr<Cpp::EnvironmentFile>, AST*,
QList<LineContextPair>*, KDevelop::ReferencedTopDUContext const&, bool) () from
/usr/local/lib64/libkdev4cppduchain.so
#30 0x00007f9504fdf6b1 in
DeclarationBuilder::buildDeclarations(KSharedPtr<Cpp::EnvironmentFile>, AST*,
QList<LineContextPair>*, KDevelop::ReferencedTopDUContext const&, bool) () from
/usr/local/lib64/libkdev4cppduchain.so
#31 0x00007f9505507985 in CPPInternalParseJob::run() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#32 0x00007f950550d6a7 in PreprocessJob::sourceNeeded(QString&,
rpp::Preprocessor::IncludeType, int, bool) () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#33 0x00007f95052c07c5 in rpp::pp::handle_include(bool, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#34 0x00007f95052c331b in rpp::pp::handle_directive(unsigned int, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#35 0x00007f95052c3aaf in rpp::pp::operator()(rpp::Stream&, rpp::Stream&) ()
from /usr/local/lib64/libkdev4cpprpp.so
#36 0x00007f95052c3cce in rpp::pp::processFileInternal(QString const&,
QByteArray const&, QVector<unsigned int>&) () from
/usr/local/lib64/libkdev4cpprpp.so
#37 0x00007f95052c3d55 in rpp::pp::processFile(QString const&, QByteArray
const&) () from /usr/local/lib64/libkdev4cpprpp.so
#38 0x00007f950550f7cb in PreprocessJob::run() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#39 0x00007f9505504e7e in CPPParseJob::parseForeground() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#40 0x00007f950550d6a7 in PreprocessJob::sourceNeeded(QString&,
rpp::Preprocessor::IncludeType, int, bool) () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#41 0x00007f95052c07c5 in rpp::pp::handle_include(bool, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#42 0x00007f95052c331b in rpp::pp::handle_directive(unsigned int, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#43 0x00007f95052c3aaf in rpp::pp::operator()(rpp::Stream&, rpp::Stream&) ()
from /usr/local/lib64/libkdev4cpprpp.so
#44 0x00007f95052c3cce in rpp::pp::processFileInternal(QString const&,
QByteArray const&, QVector<unsigned int>&) () from
/usr/local/lib64/libkdev4cpprpp.so
#45 0x00007f95052c3d55 in rpp::pp::processFile(QString const&, QByteArray
const&) () from /usr/local/lib64/libkdev4cpprpp.so
#46 0x00007f950550f7cb in PreprocessJob::run() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#47 0x00007f9505504e7e in CPPParseJob::parseForeground() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#48 0x00007f950550d6a7 in PreprocessJob::sourceNeeded(QString&,
rpp::Preprocessor::IncludeType, int, bool) () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#49 0x00007f95052c07c5 in rpp::pp::handle_include(bool, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#50 0x00007f95052c331b in rpp::pp::handle_directive(unsigned int, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#51 0x00007f95052c3aaf in rpp::pp::operator()(rpp::Stream&, rpp::Stream&) ()
from /usr/local/lib64/libkdev4cpprpp.so
#52 0x00007f95052c3cce in rpp::pp::processFileInternal(QString const&,
QByteArray const&, QVector<unsigned int>&) () from
/usr/local/lib64/libkdev4cpprpp.so
#53 0x00007f95052c3d55 in rpp::pp::processFile(QString const&, QByteArray
const&) () from /usr/local/lib64/libkdev4cpprpp.so
#54 0x00007f950550f7cb in PreprocessJob::run() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#55 0x00007f9505504e7e in CPPParseJob::parseForeground() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#56 0x00007f950550d6a7 in PreprocessJob::sourceNeeded(QString&,
rpp::Preprocessor::IncludeType, int, bool) () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#57 0x00007f95052c07c5 in rpp::pp::handle_include(bool, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#58 0x00007f95052c331b in rpp::pp::handle_directive(unsigned int, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#59 0x00007f95052c3aaf in rpp::pp::operator()(rpp::Stream&, rpp::Stream&) ()
from /usr/local/lib64/libkdev4cpprpp.so
#60 0x00007f95052c3cce in rpp::pp::processFileInternal(QString const&,
QByteArray const&, QVector<unsigned int>&) () from
/usr/local/lib64/libkdev4cpprpp.so
#61 0x00007f95052c3d55 in rpp::pp::processFile(QString const&, QByteArray
const&) () from /usr/local/lib64/libkdev4cpprpp.so
#62 0x00007f950550f7cb in PreprocessJob::run() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#63 0x00007f9505504e7e in CPPParseJob::parseForeground() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#64 0x00007f950550d6a7 in PreprocessJob::sourceNeeded(QString&,
rpp::Preprocessor::IncludeType, int, bool) () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#65 0x00007f95052c07c5 in rpp::pp::handle_include(bool, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#66 0x00007f95052c331b in rpp::pp::handle_directive(unsigned int, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#67 0x00007f95052c3aaf in rpp::pp::operator()(rpp::Stream&, rpp::Stream&) ()
from /usr/local/lib64/libkdev4cpprpp.so
#68 0x00007f95052c3cce in rpp::pp::processFileInternal(QString const&,
QByteArray const&, QVector<unsigned int>&) () from
/usr/local/lib64/libkdev4cpprpp.so
#69 0x00007f95052c3d55 in rpp::pp::processFile(QString const&, QByteArray
const&) () from /usr/local/lib64/libkdev4cpprpp.so
#70 0x00007f950550f7cb in PreprocessJob::run() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#71 0x00007f9505504e7e in CPPParseJob::parseForeground() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#72 0x00007f950550d6a7 in PreprocessJob::sourceNeeded(QString&,
rpp::Preprocessor::IncludeType, int, bool) () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#73 0x00007f95052c07c5 in rpp::pp::handle_include(bool, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#74 0x00007f95052c331b in rpp::pp::handle_directive(unsigned int, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#75 0x00007f95052c3aaf in rpp::pp::operator()(rpp::Stream&, rpp::Stream&) ()
from /usr/local/lib64/libkdev4cpprpp.so
#76 0x00007f95052c3cce in rpp::pp::processFileInternal(QString const&,
QByteArray const&, QVector<unsigned int>&) () from
/usr/local/lib64/libkdev4cpprpp.so
#77 0x00007f95052c3d55 in rpp::pp::processFile(QString const&, QByteArray
const&) () from /usr/local/lib64/libkdev4cpprpp.so
#78 0x00007f950550f7cb in PreprocessJob::run() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#79 0x00007f9505504e7e in CPPParseJob::parseForeground() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#80 0x00007f950550d6a7 in PreprocessJob::sourceNeeded(QString&,
rpp::Preprocessor::IncludeType, int, bool) () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#81 0x00007f95052c07c5 in rpp::pp::handle_include(bool, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#82 0x00007f95052c331b in rpp::pp::handle_directive(unsigned int, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#83 0x00007f95052c3aaf in rpp::pp::operator()(rpp::Stream&, rpp::Stream&) ()
from /usr/local/lib64/libkdev4cpprpp.so
#84 0x00007f95052c3cce in rpp::pp::processFileInternal(QString const&,
QByteArray const&, QVector<unsigned int>&) () from
/usr/local/lib64/libkdev4cpprpp.so
#85 0x00007f95052c3d55 in rpp::pp::processFile(QString const&, QByteArray
const&) () from /usr/local/lib64/libkdev4cpprpp.so
#86 0x00007f950550f7cb in PreprocessJob::run() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#87 0x000000302820c6b2 in ThreadWeaver::JobRunHelper::runTheJob
(this=0x7f94fecd9d10, th=0x179d0f0, job=0x2b6e5d0) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/threadweaver/Weaver/Job.cpp:106
 #88 0x000000302820c82b in ThreadWeaver::Job::execute (this=0x2b6e5d0,
th=0x179d0f0) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/threadweaver/Weaver/Job.cpp:135
 #89 0x000000302820d853 in ThreadWeaver::JobCollectionJobRunner::execute
(this=<value optimized out>, t=0x179d0f0) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/threadweaver/Weaver/JobCollection.cpp:82
 #90 0x000000302820b9f4 in ThreadWeaver::ThreadRunHelper::run
(this=0x7f94fecd9e10, parent=0xacc140, th=0x179d0f0) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/threadweaver/Weaver/Thread.cpp:95
 #91 0x000000302820baf0 in ThreadWeaver::Thread::run (this=0x179d0f0) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/threadweaver/Weaver/Thread.cpp:142
 #92 0x0000003006677c6e in QThreadPrivate::start (arg=0x179d0f0) at
thread/qthread_unix.cpp:320
#93 0x0000003002206a46 in start_thread () from /lib/libpthread.so.0
#94 0x00000030016e10ad in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f94fe4d9700 (LWP 12538)):
#0  0x00000030016a8b2d in nanosleep () at ../sysdeps/unix/syscall-template.S:82
#1  0x00000030016d9884 in usleep () from /lib/libc.so.6
#2  0x00007f951378ea5c in KDevelop::DUChainLock::lockForWrite(unsigned int) ()
from /usr/local/lib64/libkdevplatformlanguage.so.4
#3  0x00007f951378ec24 in KDevelop::DUChainWriteLocker::lock() () from
/usr/local/lib64/libkdevplatformlanguage.so.4
#4  0x00007f950550fae9 in PreprocessJob::run() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#5  0x00007f9505504e7e in CPPParseJob::parseForeground() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#6  0x00007f950550d6a7 in PreprocessJob::sourceNeeded(QString&,
rpp::Preprocessor::IncludeType, int, bool) () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#7  0x00007f95052c07c5 in rpp::pp::handle_include(bool, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#8  0x00007f95052c331b in rpp::pp::handle_directive(unsigned int, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#9  0x00007f95052c3aaf in rpp::pp::operator()(rpp::Stream&, rpp::Stream&) ()
from /usr/local/lib64/libkdev4cpprpp.so
#10 0x00007f95052c3cce in rpp::pp::processFileInternal(QString const&,
QByteArray const&, QVector<unsigned int>&) () from
/usr/local/lib64/libkdev4cpprpp.so
#11 0x00007f95052c3d55 in rpp::pp::processFile(QString const&, QByteArray
const&) () from /usr/local/lib64/libkdev4cpprpp.so
#12 0x00007f950550f7cb in PreprocessJob::run() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#13 0x00007f9505504e7e in CPPParseJob::parseForeground() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#14 0x00007f950550d6a7 in PreprocessJob::sourceNeeded(QString&,
rpp::Preprocessor::IncludeType, int, bool) () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#15 0x00007f95052c07c5 in rpp::pp::handle_include(bool, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#16 0x00007f95052c331b in rpp::pp::handle_directive(unsigned int, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#17 0x00007f95052c3aaf in rpp::pp::operator()(rpp::Stream&, rpp::Stream&) ()
from /usr/local/lib64/libkdev4cpprpp.so
#18 0x00007f95052c3cce in rpp::pp::processFileInternal(QString const&,
QByteArray const&, QVector<unsigned int>&) () from
/usr/local/lib64/libkdev4cpprpp.so
#19 0x00007f95052c3d55 in rpp::pp::processFile(QString const&, QByteArray
const&) () from /usr/local/lib64/libkdev4cpprpp.so
#20 0x00007f950550f7cb in PreprocessJob::run() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#21 0x00007f9505504e7e in CPPParseJob::parseForeground() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#22 0x00007f950550d6a7 in PreprocessJob::sourceNeeded(QString&,
rpp::Preprocessor::IncludeType, int, bool) () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#23 0x00007f95052c07c5 in rpp::pp::handle_include(bool, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#24 0x00007f95052c331b in rpp::pp::handle_directive(unsigned int, rpp::Stream&,
rpp::Stream&) () from /usr/local/lib64/libkdev4cpprpp.so
#25 0x00007f95052c3aaf in rpp::pp::operator()(rpp::Stream&, rpp::Stream&) ()
from /usr/local/lib64/libkdev4cpprpp.so
#26 0x00007f95052c3cce in rpp::pp::processFileInternal(QString const&,
QByteArray const&, QVector<unsigned int>&) () from
/usr/local/lib64/libkdev4cpprpp.so
#27 0x00007f95052c3d55 in rpp::pp::processFile(QString const&, QByteArray
const&) () from /usr/local/lib64/libkdev4cpprpp.so
#28 0x00007f950550f7cb in PreprocessJob::run() () from
/usr/local/lib64/kde4/kdevcpplanguagesupport.so
#29 0x000000302820c6b2 in ThreadWeaver::JobRunHelper::runTheJob
(this=0x7f94fe4d8d10, th=0x312b220, job=0x3134fb0) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/threadweaver/Weaver/Job.cpp:106
 #30 0x000000302820c82b in ThreadWeaver::Job::execute (this=0x3134fb0,
th=0x312b220) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/threadweaver/Weaver/Job.cpp:135
 #31 0x000000302820d853 in ThreadWeaver::JobCollectionJobRunner::execute
(this=<value optimized out>, t=0x312b220) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/threadweaver/Weaver/JobCollection.cpp:82
 #32 0x000000302820b9f4 in ThreadWeaver::ThreadRunHelper::run
(this=0x7f94fe4d8e10, parent=0xacc140, th=0x312b220) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/threadweaver/Weaver/Thread.cpp:95
 #33 0x000000302820baf0 in ThreadWeaver::Thread::run (this=0x312b220) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/threadweaver/Weaver/Thread.cpp:142
 #34 0x0000003006677c6e in QThreadPrivate::start (arg=0x312b220) at
thread/qthread_unix.cpp:320
#35 0x0000003002206a46 in start_thread () from /lib/libpthread.so.0
#36 0x00000030016e10ad in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f9513471780 (LWP 12288)):
#0  pthread_cond_wait () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x000000300667860f in wait (this=<value optimized out>, mutex=0x1c5c970,
time=<value optimized out>) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1c5c970,
time=<value optimized out>) at thread/qwaitcondition_unix.cpp:160
#3  0x00000030066772f1 in QThread::wait (this=<value optimized out>,
time=18446744073709551615) at thread/qthread_unix.cpp:722
#4  0x0000003006747ef0 in QFileSystemWatcher::~QFileSystemWatcher (this=<value
optimized out>, __in_chrg=<value optimized out>) at
io/qfilesystemwatcher.cpp:446
#5  0x0000003006747fc9 in QFileSystemWatcher::~QFileSystemWatcher
(this=0x1c53950, __in_chrg=<value optimized out>) at
io/qfilesystemwatcher.cpp:462
#6  0x000000300679099f in QObjectPrivate::deleteChildren (this=0x1c5c5e0) at
kernel/qobject.cpp:1955
#7  0x0000003006794832 in QObject::~QObject (this=0x1c5c8b0, __in_chrg=<value
optimized out>) at kernel/qobject.cpp:946
#8  0x0000003019ac2376 in ~FstabWatcher (this=0x1c5c8b0, __in_chrg=<value
optimized out>) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/solid/solid/backends/fstab/fstabwatcher.cpp:48
 #9  Solid::Backends::Fstab::FstabWatcher::~FstabWatcher (this=0x1c5c8b0,
__in_chrg=<value optimized out>) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/solid/solid/backends/fstab/fstabwatcher.cpp:51
 #10 0x00000030016373d1 in exit () from /lib/libc.so.6
#11 0x000000300822ccb8 in qt_xio_errhandler () at
kernel/qapplication_x11.cpp:772
#12 0x000000301406be58 in KApplication::xioErrhandler (this=0x7fff10134050,
dpy=0x665d10) at
/var/tmp/portage/kde-base/kdelibs-4.6.2/work/kdelibs-4.6.2/kdeui/kernel/kapplication.cpp:419
 #13 0x00000030046498fe in _XIOError (dpy=0x665d10) at XlibInt.c:1604
#14 0x0000003004646f5d in _XEventsQueued (dpy=0x665d10, mode=<value optimized
out>) at xcb_io.c:307
#15 0x0000003004636d0f in XEventsQueued (dpy=0x665d10, mode=2) at Pending.c:43
#16 0x000000300826da0c in x11EventSourceCheck (s=0x647830) at
kernel/qguieventdispatcher_glib.cpp:85
#17 0x000000300364458a in g_main_context_check (context=0x646920,
max_priority=2147483647, fds=<value optimized out>, n_fds=<value optimized
out>) at gmain.c:2658
#18 0x000000300364503a in g_main_context_iterate (context=0x646920, block=1,
dispatch=1, self=<value optimized out>) at gmain.c:2777
#19 0x000000300364555d in g_main_context_iteration (context=0x646920,
may_block=1) at gmain.c:2843
#20 0x00000030067a9f8f in QEventDispatcherGlib::processEvents (this=0x642ee0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#21 0x000000300826dbce in QGuiEventDispatcherGlib::processEvents (this=<value
optimized out>, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#22 0x0000003006778562 in QEventLoop::processEvents (this=<value optimized
out>, flags=...) at kernel/qeventloop.cpp:149
#23 0x00000030067787a4 in QEventLoop::exec (this=0x7fff10133d00, flags=...) at
kernel/qeventloop.cpp:201
#24 0x000000300677d3bb in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1008
#25 0x000000000040be7d in main ()

Reported using DrKonqi

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