'[Bug 239881] New: Kdevelop crashes when trying to recover a file'

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List:       kdevelop-bugs
Subject:    [Bug 239881] New: Kdevelop crashes when trying to recover a file
From:       António Oliveira <tonesenna () gmail ! com>
Date:       2010-05-28 15:20:49
Message-ID: bug-239881-40295 () http ! bugs ! kde ! org/
[Download RAW message or body]

https://bugs.kde.org/show_bug.cgi?id=239881

           Summary: Kdevelop crashes when trying to recover a file
           Product: kdevelop
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kdevelop-bugs@kdevelop.org
        ReportedBy: tonesenna@gmail.com

Application: kdevelop (4.0.0 (using KDevPlatform 1.0.0))
KDE Platform Version: 4.4.2 (KDE 4.4.2)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-22-generic x86_64
Distribution: Ubuntu 10.04 LTS

-- Information about the crash:
While editting a header file, I entered a '.' which might have triggered
autocompletion, then clicked (to open) the Documentation view.
This led to the first crash.

Now, everytime I try to start Kdevelop and answer yes to "recover" the unsaved
header file, kdevelop crashes with a SEGFAULT.

cheers,

The crash can be reproduced every time.

 -- Backtrace:
Application: KDevelop (kdevelop.bin), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fdcdf925760 (LWP 31767))]

Thread 9 (Thread 0x7fdccbb92710 (LWP 31768)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007fdcde0ca692 in QWaitConditionPrivate::wait (this=<value optimized
out>, mutex=0x31256d0, time=200000) at thread/qwaitcondition_unix.cpp:85
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x31256d0,
time=200000) at thread/qwaitcondition_unix.cpp:159
#3  0x00007fdcd9b5206e in KDevelop::DUChainPrivate::CleanupThread::run
(this=0x31256b0) at ../../language/duchain/duchain.cpp:286
#4  0x00007fdcde0c9775 in QThreadPrivate::start (arg=0x31256b0) at
thread/qthread_unix.cpp:248
#5  0x00007fdcdcb0c9ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#6  0x00007fdcdce096cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7fdcca692710 (LWP 31769)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007fdcca691aa0 in ?? ()
#2  0x00007fff447ff852 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 7 (Thread 0x7fdcb9184710 (LWP 31771)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007fdcb9183aa0 in ?? ()
#2  0x00007fff447ff852 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 6 (Thread 0x7fdcb6d4b710 (LWP 31792)):
#0  0x00007fdcd74ed28d in ?? () from /lib/libglib-2.0.so.0
#1  0x00007fdcd74ed8fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#2  0x00007fdcde1e7566 in QEventDispatcherGlib::processEvents (this=0x42d51f0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#3  0x00007fdcde1bc992 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#4  0x00007fdcde1bcd6c in QEventLoop::exec (this=0x7fdcb6d4adf0, flags=) at
kernel/qeventloop.cpp:201
#5  0x00007fdcde0c6d59 in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:487
#6  0x00007fdcde0c9775 in QThreadPrivate::start (arg=0x402a170) at
thread/qthread_unix.cpp:248
#7  0x00007fdcdcb0c9ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#8  0x00007fdcdce096cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fdcb754c710 (LWP 31793)):
#0  0x00007fdcdcdfcf53 in *__GI___poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fdcd74ed4a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fdcd74ed8fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007fdcde1e7566 in QEventDispatcherGlib::processEvents (this=0x4201bc0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:414
#4  0x00007fdcde1bc992 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fdcde1bcd6c in QEventLoop::exec (this=0x7fdcb754bdf0, flags=) at
kernel/qeventloop.cpp:201
#6  0x00007fdcde0c6d59 in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:487
#7  0x00007fdcde0c9775 in QThreadPrivate::start (arg=0x41cb2e0) at
thread/qthread_unix.cpp:248
#8  0x00007fdcdcb0c9ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#9  0x00007fdcdce096cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fdcb5523710 (LWP 31794)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007fdcde0c90e5 in thread_sleep (ti=0x7fdcb5522db0) at
thread/qthread_unix.cpp:398
#2  0x00007fdcde0c9250 in QThread::msleep (msecs=<value optimized out>) at
thread/qthread_unix.cpp:424
#3  0x00007fdcb5cebf41 in ?? () from /usr/lib/kde4/kdevcpplanguagesupport.so
#4  0x00007fdcde0c9775 in QThreadPrivate::start (arg=0x7fdcc40deb60) at
thread/qthread_unix.cpp:248
#5  0x00007fdcdcb0c9ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#6  0x00007fdcdce096cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fdcb3e0d710 (LWP 31802)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fdcde0ca72b in QWaitConditionPrivate::wait (this=<value optimized
out>, mutex=0x2df05a0, time=18446744073709551615) at
thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2df05a0,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007fdcd4f89026 in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x304a6e0,
th=0x4011700) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fdcd4f8b6ab in ThreadWeaver::WorkingHardState::applyForWork
(this=0x3047b70, th=0x4011700) at
../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fdcd4f8b6c4 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x3047b70, th=0x4011700) at
../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fdcd4f89bff in ThreadWeaver::ThreadRunHelper::run
(this=0x7fdcb3e0ce00, parent=0x304a6e0, th=0x4011700) at
../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007fdcd4f8a168 in ThreadWeaver::Thread::run (this=0x4011700) at
../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007fdcde0c9775 in QThreadPrivate::start (arg=0x4011700) at
thread/qthread_unix.cpp:248
#9  0x00007fdcdcb0c9ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#10 0x00007fdcdce096cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fdcb360c710 (LWP 31803)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007fdcde0ca692 in QWaitConditionPrivate::wait (this=<value optimized
out>, mutex=0x41be048, time=1000) at thread/qwaitcondition_unix.cpp:85
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x41be048,
time=1000) at thread/qwaitcondition_unix.cpp:159
#3  0x00007fdcb5cf7fe5 in ?? () from /usr/lib/kde4/kdevcpplanguagesupport.so
#4  0x00007fdcb5cf8266 in ?? () from /usr/lib/kde4/kdevcpplanguagesupport.so
#5  0x00007fdcb5d05302 in ?? () from /usr/lib/kde4/kdevcpplanguagesupport.so
#6  0x00007fdcd4f8a8dd in ThreadWeaver::JobRunHelper::runTheJob
(this=0x7fdcb360bd50, th=0x50d4200, job=0x42d19e0) at
../../../threadweaver/Weaver/Job.cpp:106
#7  0x00007fdcd4f8abde in ThreadWeaver::Job::execute (this=0x42d19e0,
th=0x50d4200) at ../../../threadweaver/Weaver/Job.cpp:135
#8  0x00007fdcd4f8c003 in ThreadWeaver::JobCollectionJobRunner::execute
(this=0x6385570, t=0x50d4200) at
../../../threadweaver/Weaver/JobCollection.cpp:82
#9  0x00007fdcd4f89bcf in ThreadWeaver::ThreadRunHelper::run
(this=0x7fdcb360be00, parent=0x304a6e0, th=0x50d4200) at
../../../threadweaver/Weaver/Thread.cpp:95
#10 0x00007fdcd4f8a168 in ThreadWeaver::Thread::run (this=0x50d4200) at
../../../threadweaver/Weaver/Thread.cpp:142
#11 0x00007fdcde0c9775 in QThreadPrivate::start (arg=0x50d4200) at
thread/qthread_unix.cpp:248
#12 0x00007fdcdcb0c9ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#13 0x00007fdcdce096cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fdcdf925760 (LWP 31767)):
[KCrash Handler]
#5  0x00007fdcdedf0ccc in KDevelop::DocumentController::openDocumentFromText
(this=<value optimized out>, data=...) at
../../shell/documentcontroller.cpp:534
#6  0x00007fdcdee0c341 in KDevelop::SessionControllerPrivate::performRecovery()
() from /usr/lib/libkdevplatformshell.so.1
#7  0x00007fdcdee07c2e in KDevelop::SessionControllerPrivate::qt_metacall
(this=0x2df04a0, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=<value optimized
out>) at ./sessioncontroller.moc:75
#8  0x00007fdcde1cdd49 in QObject::event (this=0x2df04a0, e=0x42ad710) at
kernel/qobject.cpp:1248
#9  0x00007fdcdd57722c in QApplicationPrivate::notify_helper (this=0x24bd690,
receiver=0x2df04a0, e=0x42ad710) at kernel/qapplication.cpp:4300
#10 0x00007fdcdd57d6fb in QApplication::notify (this=0x7fff447f5020,
receiver=0x2df04a0, e=0x42ad710) at kernel/qapplication.cpp:4183
#11 0x00007fdcde705526 in KApplication::notify (this=0x7fff447f5020,
receiver=0x2df04a0, event=0x42ad710) at ../../kdeui/kernel/kapplication.cpp:302
#12 0x00007fdcde1be06c in QCoreApplication::notifyInternal
(this=0x7fff447f5020, receiver=0x2df04a0, event=0x42ad710) at
kernel/qcoreapplication.cpp:704
#13 0x00007fdcde1c07e7 in QCoreApplication::sendEvent (receiver=0x0,
event_type=<value optimized out>, data=0x2472420) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#14 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value
optimized out>, data=0x2472420) at kernel/qcoreapplication.cpp:1345
#15 0x00007fdcde1e79d3 in QCoreApplication::sendPostedEvents (s=<value
optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#16 postEventSourceDispatch (s=<value optimized out>) at
kernel/qeventdispatcher_glib.cpp:276
#17 0x00007fdcd74e98c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#18 0x00007fdcd74ed748 in ?? () from /lib/libglib-2.0.so.0
#19 0x00007fdcd74ed8fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#20 0x00007fdcde1e7513 in QEventDispatcherGlib::processEvents (this=0x2471b80,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#21 0x00007fdcdd62746e in QGuiEventDispatcherGlib::processEvents
(this=0x3b107d0, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#22 0x00007fdcde1bc992 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#23 0x00007fdcde1bcd6c in QEventLoop::exec (this=0x7fff447f2c60, flags=) at
kernel/qeventloop.cpp:201
#24 0x00007fdcdda4109e in QDialog::exec (this=0x5300630) at
dialogs/qdialog.cpp:546
#25 0x00007fdcde6878a5 in KMessageBox::createKMessageBox (dialog=<value
optimized out>, icon=<value optimized out>, text=<value optimized out>,
strlist=<value optimized out>, 
    ask=<value optimized out>, checkboxReturn=<value optimized out>, options=)
at ../../kdeui/dialogs/kmessagebox.cpp:333
#26 0x00007fdcde688b50 in KMessageBox::createKMessageBox (dialog=<value
optimized out>, icon=QMessageBox::Information, text=<value optimized out>,
strlist=<value optimized out>, ask=..., 
    checkboxReturn=0x7fff447f333f, options=..., details=...) at
../../kdeui/dialogs/kmessagebox.cpp:151
#27 0x00007fdcde68a294 in KMessageBox::informationListWId (parent_id=0,
text=<value optimized out>, strlist=..., caption=..., dontShowAgainName=...,
options=)
    at ../../kdeui/dialogs/kmessagebox.cpp:1000
#28 0x00007fdcde68a40f in KMessageBox::informationList (parent=<value optimized
out>, text=..., strlist=..., caption=..., dontShowAgainName=..., options=<value
optimized out>)
    at ../../kdeui/dialogs/kmessagebox.cpp:970
#29 0x00007fdcde68a460 in KMessageBox::information (parent=0x3b107d0, text=...,
caption=<value optimized out>, dontShowAgainName=<value optimized out>,
options=<value optimized out>)
    at ../../kdeui/dialogs/kmessagebox.cpp:957
#30 0x00007fdcb49a4020 in KateDocument::openFile (this=0x5327b10) at
../../kate/document/katedocument.cpp:2186
#31 0x00007fdcdba6a117 in KParts::ReadOnlyPart::openUrl (this=0x5327b10,
url=<value optimized out>) at ../../kparts/part.cpp:557
#32 0x00007fdcdedecc2d in KDevelop::TextDocument::createViewWidget
(this=0x3fb7f40, parent=0x4287190) at ../../shell/textdocument.cpp:261
#33 0x00007fdcdedec417 in KDevelop::TextView::createWidget (this=0x405d440,
parent=0x4287190) at ../../shell/textdocument.cpp:531
#34 0x00007fdcd9874c06 in Sublime::View::widget(QWidget*) () from
/usr/lib/libsublime.so.1
#35 0x00007fdcd986eda0 in ?? () from /usr/lib/libsublime.so.1
#36 0x00007fdcd98741b8 in Sublime::Area::WalkerMode
Sublime::Area::walkViewsInternal<Sublime::MainWindowPrivate::ViewCreator>(Sublime::MainWindowPrivate::ViewCreator&,
 Sublime::AreaIndex*) ()
   from /usr/lib/libsublime.so.1
#37 0x00007fdcd98724c7 in ?? () from /usr/lib/libsublime.so.1
#38 0x00007fdcd98696a0 in Sublime::MainWindow::setArea(Sublime::Area*) () from
/usr/lib/libsublime.so.1
#39 0x00007fdcdedbe533 in KDevelop::WorkingSet::loadToArea (this=<value
optimized out>, area=0x2eb68d0, areaIndex=<value optimized out>, clear=<value
optimized out>)
    at ../../shell/workingsetcontroller.cpp:346
#40 0x00007fdcdedbea10 in KDevelop::WorkingSet::changedWorkingSet
(this=0x3c19090, area=0x2eb68d0, from=<value optimized out>, to=) at
../../shell/workingsetcontroller.cpp:648
#41 0x00007fdcdedbf39f in KDevelop::WorkingSet::qt_metacall (this=0x3c19090,
_c=<value optimized out>, _id=<value optimized out>, _a=0x3c1e730) at
./workingsetcontroller.moc:90
#42 0x00007fdcde1cdd49 in QObject::event (this=0x3c19090, e=0x3c1e060) at
kernel/qobject.cpp:1248
#43 0x00007fdcdd57722c in QApplicationPrivate::notify_helper (this=0x24bd690,
receiver=0x3c19090, e=0x3c1e060) at kernel/qapplication.cpp:4300
#44 0x00007fdcdd57d6fb in QApplication::notify (this=0x7fff447f5020,
receiver=0x3c19090, e=0x3c1e060) at kernel/qapplication.cpp:4183
#45 0x00007fdcde705526 in KApplication::notify (this=0x7fff447f5020,
receiver=0x3c19090, event=0x3c1e060) at ../../kdeui/kernel/kapplication.cpp:302
#46 0x00007fdcde1be06c in QCoreApplication::notifyInternal
(this=0x7fff447f5020, receiver=0x3c19090, event=0x3c1e060) at
kernel/qcoreapplication.cpp:704
#47 0x00007fdcde1c07e7 in QCoreApplication::sendEvent (receiver=0x0,
event_type=<value optimized out>, data=0x2472420) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#48 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value
optimized out>, data=0x2472420) at kernel/qcoreapplication.cpp:1345
#49 0x00007fdcde1e79d3 in QCoreApplication::sendPostedEvents (s=<value
optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#50 postEventSourceDispatch (s=<value optimized out>) at
kernel/qeventdispatcher_glib.cpp:276
#51 0x00007fdcd74e98c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#52 0x00007fdcd74ed748 in ?? () from /lib/libglib-2.0.so.0
#53 0x00007fdcd74ed8fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#54 0x00007fdcde1e7513 in QEventDispatcherGlib::processEvents (this=0x2471b80,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#55 0x00007fdcdd62746e in QGuiEventDispatcherGlib::processEvents
(this=0x3b107d0, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#56 0x00007fdcde1bc992 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#57 0x00007fdcde1bcd6c in QEventLoop::exec (this=0x7fff447f4e50, flags=) at
kernel/qeventloop.cpp:201
#58 0x00007fdcde1c0aab in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:981
#59 0x00000000004088cf in _start ()

Reported using DrKonqi

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