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List:       kdevelop-bugs
Subject:    [Bug 172701] New: Dequeue Crash on Exit
From:       Aaron Nixon <aaron.nixon () gmail ! com>
Date:       2008-10-13 7:18:57
Message-ID: bug-172701-40295 () http ! bugs ! kde ! org/
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http://bugs.kde.org/show_bug.cgi?id=172701

           Summary: Dequeue Crash on Exit
           Product: kdevelop
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: kdevelop-bugs@kdevelop.org
        ReportedBy: aaron.nixon@gmail.com


Version:           4 (using Devel)
Compiler:          g++ (GCC) 4.1.2 (Gentoo 4.1.2 p1.1) 
OS:                Linux
Installed from:    Compiled sources

Happens every time the application closes, been happening for a while with
current SVN builds.

Not really running anything wonky, built all sources with full debug (As you'll
see below), running KDE-SVN (KDE-4.2) as my WM, have been for a while.

Application: KDevelop (kdevelop), signal SIGSEGV
Using host libthread_db library "/lib/libthread_db.so.1".
0x00007f8f2d87e7e1 in nanosleep () from /lib64/libc.so.6
[Current thread is 0 (LWP 765)]

Thread 3 (Thread 0x41a7e950 (LWP 767)):
#0  0x00007f8f2d8a60c2 in select () from /lib64/libc.so.6
#1  0x00007f8f34da275e in QProcessManager::run (this=0x66ba90) at
io/qprocess_unix.cpp:307
#2  0x00007f8f34ce31a2 in QThreadPrivate::start (arg=0x66ba90) at
thread/qthread_unix.cpp:191
#3  0x00007f8f34a71047 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f8f2d8ac28d in clone () from /lib64/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x4227f950 (LWP 772)):
#0  0x00007f8f34a756a6 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f8f34ce3675 in QWaitCondition::wait (this=<value optimized out>,
mutex=0x7b5640, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  0x00007f8f2fb2caf3 in
ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x7b51e0,
th=0xc35bd0)
    at
/usr/src/debug/kde-base/kdelibs-9999/kdelibs-9999/threadweaver/Weaver/WeaverImpl.cpp:365
 #3  0x00007f8f2fb2f4dc in ThreadWeaver::SuspendedState::applyForWork
(this=0x7b57a0, th=0xc35bd0, previous=0x0)
    at
/usr/src/debug/kde-base/kdelibs-9999/kdelibs-9999/threadweaver/Weaver/SuspendedState.cpp:48
 #4  0x00007f8f2fb2f269 in ThreadWeaver::WorkingHardState::applyForWork
(this=0x7b5720, th=0xc35bd0) at
/usr/src/debug/kde-base/kdelibs-9999/kdelibs-9999/threadweaver/Weaver/WorkingHardState.cpp:74
 #5  0x00007f8f2fb2d61b in ThreadWeaver::ThreadRunHelper::run (this=0x4227f0d0,
parent=0x7b51e0, th=0xc35bd0) at
/usr/src/debug/kde-base/kdelibs-9999/kdelibs-9999/threadweaver/Weaver/Thread.cpp:87
#6  0x00007f8f2fb2da8e in ThreadWeaver::Thread::run (this=0xc35bd0) at
/usr/src/debug/kde-base/kdelibs-9999/kdelibs-9999/threadweaver/Weaver/Thread.cpp:142
#7  0x00007f8f34ce31a2 in QThreadPrivate::start (arg=0xc35bd0) at
thread/qthread_unix.cpp:191
#8  0x00007f8f34a71047 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f8f2d8ac28d in clone () from /lib64/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f8f35280700 (LWP 765)):
[KCrash Handler]
#5  0x000000000001aaa9 in ?? ()
#6  0x00007f8f2fb2cf80 in ThreadWeaver::WeaverImpl::dequeue (this=0x7b51e0) at
/usr/src/debug/kde-base/kdelibs-9999/kdelibs-9999/threadweaver/Weaver/WeaverImpl.cpp:267
 #7  0x00007f8f2c28e5b5 in ~BackgroundParserPrivate (this=0x7b4f80) at
/usr/src/debug/kde-base/kdevplatform-9999/kdevplatform-9999/language/backgroundparser/backgroundparser.cpp:82
 #8  0x00007f8f2c28b9ad in ~BackgroundParser (this=0x73b050) at
/usr/src/debug/kde-base/kdevplatform-9999/kdevplatform-9999/language/backgroundparser/backgroundparser.cpp:263
 #9  0x00007f8f34dcf247 in QObjectPrivate::deleteChildren (this=0x7b4cd0) at
kernel/qobject.cpp:1881
#10 0x00007f8f34dd5a73 in ~QObject (this=0x7b4ca0) at kernel/qobject.cpp:890
#11 0x00007f8f333e1083 in ~LanguageController (this=0x7b4ca0) at
/usr/src/debug/kde-base/kdevplatform-9999/kdevplatform-9999/interfaces/ilanguagecontroller.h:34
 #12 0x00007f8f333ca550 in ~Core (this=0x72bc70) at
/usr/src/debug/kde-base/kdevplatform-9999/kdevplatform-9999/shell/core.cpp:101
#13 0x00007f8f34dd0037 in QObject::event (this=0x72bc70, e=0x7b51e0) at
kernel/qobject.cpp:1136
#14 0x00007f8f2e4493be in QApplicationPrivate::notify_helper (this=0x668000,
receiver=0x72bc70, e=0x8ca780) at kernel/qapplication.cpp:3809
#15 0x00007f8f2e44dede in QApplication::notify (this=0x7fff3d2c3110,
receiver=0x72bc70, e=0x8ca780) at kernel/qapplication.cpp:3774
#16 0x00007f8f32fbf6ab in KApplication::notify (this=0x7fff3d2c3110,
receiver=0x72bc70, event=0x8ca780) at
/usr/src/debug/kde-base/kdelibs-9999/kdelibs-9999/kdeui/kernel/kapplication.cpp:307
#17 0x00007f8f34dc0818 in QCoreApplication::notifyInternal
(this=0x7fff3d2c3110, receiver=0x72bc70, event=0x8ca780) at
kernel/qcoreapplication.cpp:593
#18 0x00007f8f34dc179d in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=52, data=0x60e380) at kernel/qcoreapplication.h:215
#19 0x00007f8f34dc1b6a in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:856
#20 0x0000000000407597 in main (argc=1, argv=0x7fff3d2c40e8) at
/usr/src/debug/dev-util/kdevelop-9999/kdevelop-9999/src/main.cpp:194


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