[Digikam-devel] [digikam] [Bug 314117] New: Segmentation fault on launching import from scanner

Andrew Goodbody ajg02 at elfringham.co.uk
Wed Jan 30 09:10:08 GMT 2013 

https://bugs.kde.org/show_bug.cgi?id=314117

            Bug ID: 314117
           Summary: Segmentation fault on launching import from scanner
    Classification: Unclassified
           Product: digikam
           Version: 2.9.0
          Platform: Debian stable
                OS: Linux
            Status: CONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: digikam-devel at kde.org
          Reporter: ajg02 at elfringham.co.uk

Application: digikam (2.9.0)
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.2
Operating System: Linux 3.2.0-4-amd64 x86_64
Distribution: Debian GNU/Linux 7.0 (wheezy)

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

I had used import from scanner once and was launching it for a 2nd time when
the segfault occurred.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe8191b7a00 (LWP 14352))]

Thread 5 (Thread 0x7fe7f0975700 (LWP 14355)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe813f3a20b in wait (time=18446744073709551615, this=0x2a7c190) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2a864c8,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00000000005cef98 in Digikam::ScanController::run (this=0x293ba10) at
/home/ag/src/digikam-2.9.0/core/digikam/database/scancontroller.cpp:698
#4  0x00007fe813f39d0b in QThreadPrivate::start (arg=0x293ba10) at
thread/qthread_unix.cpp:307
#5  0x00007fe812bbdb50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#6  0x00007fe8131eca7d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fe7f0174700 (LWP 14356)):
#0  0x00007fe8131e1e33 in *__GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe80c5ac624 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe80c5ac744 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe814063296 in QEventDispatcherGlib::processEvents (this=0x2a86450,
flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fe8140338af in QEventLoop::processEvents
(this=this at entry=0x7fe7f0173b70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe814033b38 in QEventLoop::exec (this=0x7fe7f0173b70, flags=...) at
kernel/qeventloop.cpp:204
#6  0x00007fe813f36d70 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#7  0x00007fe8140141bf in QInotifyFileSystemWatcherEngine::run (this=0x293a860)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fe813f39d0b in QThreadPrivate::start (arg=0x293a860) at
thread/qthread_unix.cpp:307
#9  0x00007fe812bbdb50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#10 0x00007fe8131eca7d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fe7ef973700 (LWP 14367)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fe813f3a20b in wait (time=18446744073709551615, this=0x2ca3340) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2cc3598,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fe816c9c239 in Digikam::ParkingThread::run (this=0x2cc3580) at
/home/ag/src/digikam-2.9.0/core/libs/threads/threadmanager.cpp:119
#4  0x00007fe813f39d0b in QThreadPrivate::start (arg=0x2cc3580) at
thread/qthread_unix.cpp:307
#5  0x00007fe812bbdb50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#6  0x00007fe8131eca7d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe7d8c58700 (LWP 14511)):
#0  0x00007fe8131e1e33 in *__GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe80c5ac624 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe80c5ac744 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe814063296 in QEventDispatcherGlib::processEvents (this=0x56efce0,
flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fe8140338af in QEventLoop::processEvents
(this=this at entry=0x7fe7d8c57b40, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fe814033b38 in QEventLoop::exec (this=0x7fe7d8c57b40, flags=...) at
kernel/qeventloop.cpp:204
#6  0x00007fe816c9b89b in Digikam::WorkerObjectRunnable::run (this=0x47695b0)
at /home/ag/src/digikam-2.9.0/core/libs/threads/threadmanager.cpp:196
#7  0x00007fe813f2d6bd in QThreadPoolThread::run (this=0x7fe7cc22bb70) at
concurrent/qthreadpool.cpp:107
#8  0x00007fe813f39d0b in QThreadPrivate::start (arg=0x7fe7cc22bb70) at
thread/qthread_unix.cpp:307
#9  0x00007fe812bbdb50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#10 0x00007fe8131eca7d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe8191b7a00 (LWP 14352)):
[KCrash Handler]
#6  0x00007fe814a6daea in parent (this=0x7fe7cc09a230) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:273
#7  parentWidget (this=0x7fe7cc09a230) at
../../include/QtGui/../../src/gui/kernel/qwidget.h:1033
#8  QLayout::addChildWidget (this=<optimized out>, w=0x7fe7cc09a230) at
kernel/qlayout.cpp:992
#9  0x00007fe814a51156 in QBoxLayout::insertWidget (this=0x7fe7cc150610,
index=index at entry=-1, widget=0x7fe7cc09a230, stretch=0, alignment=...) at
kernel/qboxlayout.cpp:1032
#10 0x00007fe814a513bb in QBoxLayout::addWidget (this=<optimized out>,
widget=<optimized out>, stretch=<optimized out>, alignment=...) at
kernel/qboxlayout.cpp:1112
#11 0x00007fe7de1db51e in ?? () from /usr/lib/libksane.so.0
#12 0x00007fe7de1d75fa in KSaneIface::KSaneWidget::openDevice(QString const&)
() from /usr/lib/libksane.so.0
#13 0x00007fe7de47f26d in
KIPIAcquireImagesPlugin::Plugin_AcquireImages::slotActivate (this=0x4535fd0) at
/home/ag/src/digikam-2.9.0/extra/kipi-plugins/acquireimages/plugin_acquireimages.cpp:115
#14 0x00007fe81404a54f in QMetaObject::activate (sender=0x454ff80, m=<optimized
out>, local_signal_index=<optimized out>, argv=0x7fff56ab8010) at
kernel/qobject.cpp:3547
#15 0x00007fe814a3e502 in QAction::triggered (this=this at entry=0x454ff80,
_t1=false) at .moc/release-shared/moc_qaction.cpp:277
#16 0x00007fe814a3e6f0 in QAction::activate (this=0x454ff80, event=<optimized
out>) at kernel/qaction.cpp:1257
#17 0x00007fe814e78413 in QMenuPrivate::activateCausedStack
(this=this at entry=0x7fe7e81a1bc0, causedStack=...,
action=action at entry=0x454ff80, action_e=action_e at entry=QAction::Trigger,
self=self at entry=true) at widgets/qmenu.cpp:1028
#18 0x00007fe814e7e729 in QMenuPrivate::activateAction (this=0x7fe7e81a1bc0,
action=0x454ff80, action_e=QAction::Trigger, self=true) at
widgets/qmenu.cpp:1120
#19 0x00007fe815830340 in KMenu::mouseReleaseEvent (this=0x7fe7e82860d0,
e=0x7fff56ab8bb0) at ../../kdeui/widgets/kmenu.cpp:464
#20 0x00007fe814a93e10 in QWidget::event (this=0x7fe7e82860d0,
event=0x7fff56ab8bb0) at kernel/qwidget.cpp:8371
#21 0x00007fe814e7f9db in QMenu::event (this=0x7fe7e82860d0, e=0x7fff56ab8bb0)
at widgets/qmenu.cpp:2469
#22 0x00007fe814a4470c in QApplicationPrivate::notify_helper
(this=this at entry=0x27424e0, receiver=receiver at entry=0x7fe7e82860d0,
e=e at entry=0x7fff56ab8bb0) at kernel/qapplication.cpp:4556
#23 0x00007fe814a493eb in QApplication::notify (this=<optimized out>,
receiver=0x7fe7e82860d0, e=0x7fff56ab8bb0) at kernel/qapplication.cpp:4099
#24 0x00007fe815777886 in KApplication::notify (this=0x7fff56ab9ce0,
receiver=0x7fe7e82860d0, event=0x7fff56ab8bb0) at
../../kdeui/kernel/kapplication.cpp:311
#25 0x00007fe814034b5e in QCoreApplication::notifyInternal
(this=0x7fff56ab9ce0, receiver=0x7fe7e82860d0, event=0x7fff56ab8bb0) at
kernel/qcoreapplication.cpp:915
#26 0x00007fe814a4554b in sendEvent (event=<optimized out>, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#27 QApplicationPrivate::sendMouseEvent (receiver=0x7fe7e82860d0,
event=0x7fff56ab8bb0, alienWidget=0x0, nativeWidget=0x7fe7e82860d0,
buttonDown=0x7fe81551a2a8, lastMouseReceiver=..., spontaneous=true) at
kernel/qapplication.cpp:3167
#28 0x00007fe814abfe8c in QETWidget::translateMouseEvent
(this=this at entry=0x7fe7e82860d0, event=event at entry=0x7fff56ab9320) at
kernel/qapplication_x11.cpp:4457
#29 0x00007fe814abed51 in QApplication::x11ProcessEvent (this=0x7fff56ab9ce0,
event=0x7fff56ab9320) at kernel/qapplication_x11.cpp:3646
#30 0x00007fe814ae5bc2 in x11EventSourceDispatch (s=0x2743700, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#31 0x00007fe80c5ac355 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007fe80c5ac688 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007fe80c5ac744 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fe814063276 in QEventDispatcherGlib::processEvents (this=0x26e0be0,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#35 0x00007fe814ae583e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#36 0x00007fe8140338af in QEventLoop::processEvents
(this=this at entry=0x7fff56ab96f0, flags=...) at kernel/qeventloop.cpp:149
#37 0x00007fe814033b38 in QEventLoop::exec (this=0x7fff56ab96f0, flags=...) at
kernel/qeventloop.cpp:204
#38 0x00007fe814038cf8 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1187
#39 0x000000000069f74e in main (argc=5, argv=0x7fff56ab9f18) at
/home/ag/src/digikam-2.9.0/core/digikam/main/main.cpp:232

Possible duplicates by query: bug 306144.

Reported using DrKonqi

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