[Bug 291996] New: Muon crashes (seg.fault) at start-up

ka6ope at free.fr ka6ope at free.fr
Thu Jan 19 21:40:26 GMT 2012 

https://bugs.kde.org/show_bug.cgi?id=291996

           Summary: Muon crashes (seg.fault) at start-up
           Product: kde
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: ka6ope at free.fr


Application: muon-installer (1.2.1 "Caustic Carrionite")
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic x86_64
Distribution: Ubuntu 11.10

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

I started Muon from the application launcher just after starting Kubuntu.
Behaviour is systematic.

The crash can be reproduced every time.

-- Backtrace:
Application: Centre de logiciels Muon (muon-installer), signal: Segmentation
fault
[Current thread is 1 (Thread 0x7f4f0f6e0780 (LWP 2693))]

Thread 2 (Thread 0x7f4efae84700 (LWP 2694)):
#0  0x00007f4f0c2b9773 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f4f08b2ef68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f4f08b2f429 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f4f0e476f3e in QEventDispatcherGlib::processEvents (this=0x833fd0,
flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f4f0e44acf2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f4f0e44aef7 in QEventLoop::exec (this=0x7f4efae83dd0, flags=...) at
kernel/qeventloop.cpp:201
#6  0x00007f4f0e36227f in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:498
#7  0x00007f4f0e42dcbf in QInotifyFileSystemWatcherEngine::run (this=0x8a2e60)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f4f0e364d05 in QThreadPrivate::start (arg=0x8a2e60) at
thread/qthread_unix.cpp:331
#9  0x00007f4f09610efc in start_thread (arg=0x7f4efae84700) at
pthread_create.c:304
#10 0x00007f4f0c2c589d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f4f0f6e0780 (LWP 2693)):
[KCrash Handler]
#6  0x00007f4f0e3b2a5e in QtPrivate::QStringList_contains (that=0x7fffbdde7460,
str=..., cs=Qt::CaseSensitive) at tools/qstringlist.cpp:318
#7  0x000000000042416b in contains (cs=Qt::CaseSensitive, str=...,
this=0x7fffbdde7460) at /usr/include/qt4/QtCore/qstringlist.h:171
#8  ApplicationWindow::populateViews (this=0x811c40) at
/build/buildd/muon-1.2.1/installer/ApplicationWindow.cpp:229
#9  0x000000000042771c in ApplicationWindow::qt_metacall (this=0x811c40,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffbdde7a30) at
/build/buildd/muon-1.2.1/obj-x86_64-linux-gnu/installer/ApplicationWindow.moc:113
#10 0x00007f4f0e45eeba in QMetaObject::activate (sender=0x8be8d0, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#11 0x000000000041c31c in ApplicationBackend::qt_metacall (this=0x8be8d0,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffbdde7b90) at
/build/buildd/muon-1.2.1/obj-x86_64-linux-gnu/installer/moc_ApplicationBackend.cpp:109
#12 0x00007f4f0e45eeba in QMetaObject::activate (sender=0x811c40, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fffbdde7b90) at
kernel/qobject.cpp:3278
#13 0x00007f4f0f2d1e7f in MuonMainWindow::backendReady (this=<optimized out>,
_t1=0x82def0) at
/build/buildd/muon-1.2.1/obj-x86_64-linux-gnu/libmuon/MuonMainWindow.moc:168
#14 0x00007f4f0f2d1f8e in MuonMainWindow::initObject (this=0x811c40) at
/build/buildd/muon-1.2.1/libmuon/MuonMainWindow.cpp:79
#15 0x0000000000422fa0 in ApplicationWindow::initObject (this=0x811c40) at
/build/buildd/muon-1.2.1/installer/ApplicationWindow.cpp:116
#16 0x0000000000427619 in ApplicationWindow::qt_metacall (this=0x811c40,
_c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffbdde7c60) at
/build/buildd/muon-1.2.1/obj-x86_64-linux-gnu/installer/ApplicationWindow.moc:104
#17 0x00007f4f0e45eeba in QMetaObject::activate (sender=0x878c60, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#18 0x00007f4f0e466f7f in QSingleShotTimer::timerEvent (this=0x878c60) at
kernel/qtimer.cpp:308
#19 0x00007f4f0e462789 in QObject::event (this=0x878c60, e=<optimized out>) at
kernel/qobject.cpp:1181
#20 0x00007f4f0ca86424 in notify_helper (e=0x7fffbdde81d0, receiver=0x878c60,
this=0x68eef0) at kernel/qapplication.cpp:4486
#21 QApplicationPrivate::notify_helper (this=0x68eef0, receiver=0x878c60,
e=0x7fffbdde81d0) at kernel/qapplication.cpp:4458
#22 0x00007f4f0ca8b291 in QApplication::notify (this=0x7fffbdde84d0,
receiver=0x878c60, e=0x7fffbdde81d0) at kernel/qapplication.cpp:4365
#23 0x00007f4f0dc6a126 in KApplication::notify (this=0x7fffbdde84d0,
receiver=0x878c60, event=0x7fffbdde81d0) at
../../kdeui/kernel/kapplication.cpp:311
#24 0x00007f4f0e44bafc in QCoreApplication::notifyInternal
(this=0x7fffbdde84d0, receiver=0x878c60, event=0x7fffbdde81d0) at
kernel/qcoreapplication.cpp:787
#25 0x00007f4f0e478d62 in sendEvent (event=0x7fffbdde81d0, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#26 QTimerInfoList::activateTimers (this=0x68c190) at
kernel/qeventdispatcher_unix.cpp:603
#27 0x00007f4f0e476514 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:184
#28 0x00007f4f08b2ea5d in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f4f08b2f258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f4f08b2f429 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f4f0e476ed6 in QEventDispatcherGlib::processEvents (this=0x6676f0,
flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#32 0x00007f4f0cb2e07e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=<optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#33 0x00007f4f0e44acf2 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#34 0x00007f4f0e44aef7 in QEventLoop::exec (this=0x7fffbdde8460, flags=...) at
kernel/qeventloop.cpp:201
#35 0x00007f4f0e44f789 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1064
#36 0x000000000041bd67 in main (argc=5, argv=0x7fffbdde8748) at
/build/buildd/muon-1.2.1/installer/main.cpp:61

This bug may be a duplicate of or related to bug 291262.

Possible duplicates by query: bug 291979, bug 291975, bug 291920, bug 291881,
bug 291852.

Reported using DrKonqi

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