[Digikam-devel] [Bug 282781] New: Digikam crashes when reopening configuration dialog after disabling kipi plugin

[Gert Kello]

https://bugs.kde.org/show_bug.cgi?id=282781

           Summary: Digikam crashes when reopening configuration dialog
                    after disabling kipi plugin
           Product: digikam
           Version: 2.2.0
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel at kde.org
        ReportedBy: gert.kello at gmail.com


Application: digikam (2.2.0)
KDE Platform Version: 4.7.1 (4.7.1)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-11-generic i686
Distribution: Ubuntu 11.04

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

Enable "AquireImages" & close configuration dialog.
Disbale "AquireImages" & close configuration dialog.
Try to reopen configuration dialog, crash appears.

Digikam, kipi-plugins & libkipi are compiled from git master.

The crash can be reproduced every time.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
[Current thread is 1 (Thread 0xb64d88b0 (LWP 5738))]

Thread 5 (Thread 0xb6256b70 (LWP 5739)):
#0  0x00950416 in __kernel_vsyscall ()
#1  0x08e27f76 in poll () from /lib/i386-linux-gnu/libc.so.6
#2  0x0616c84b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0615c1af in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0615c92b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x041aa304 in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#6  0x061852df in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x007b1e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x08e3673e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 4 (Thread 0xb4740b70 (LWP 5741)):
#0  0x00950416 in __kernel_vsyscall ()
#1  0x007b648c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/i386-linux-gnu/libpthread.so.0
#2  0x08e443fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x0635b467 in wait (this=0x9d4cf84, mutex=0x9d4cf80, time=4294967295) at
thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9d4cf84, mutex=0x9d4cf80, time=4294967295) at
thread/qwaitcondition_unix.cpp:160
#5  0x081ebd49 in _start ()

Thread 3 (Thread 0xb3f3fb70 (LWP 5742)):
#0  0x01aedd41 in clock_gettime () from /lib/i386-linux-gnu/librt.so.1
#1  0x063b0dd8 in do_gettime () at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x0647d4f2 in updateCurrentTime (this=0x9d52234, tm=...) at
kernel/qeventdispatcher_unix.cpp:339
#4  QTimerInfoList::timerWait (this=0x9d52234, tm=...) at
kernel/qeventdispatcher_unix.cpp:442
#5  0x0647bd32 in timerSourcePrepareHelper (src=<value optimized out>,
timeout=0xb3f3ef3c) at kernel/qeventdispatcher_glib.cpp:136
#6  0x0647bdcd in timerSourcePrepare (source=0x9d52200, timeout=<value
optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x0615afd4 in g_main_context_prepare () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x0615be63 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x0615c524 in g_main_context_iteration () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x0647c577 in QEventDispatcherGlib::processEvents (this=0x9d50b98,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#11 0x0644e289 in QEventLoop::processEvents (this=0xb3f3f0f0, flags=...) at
kernel/qeventloop.cpp:149
#12 0x0644e522 in QEventLoop::exec (this=0xb3f3f0f0, flags=...) at
kernel/qeventloop.cpp:201
#13 0x063582a0 in QThread::exec (this=0x9d4eed8) at thread/qthread.cpp:492
#14 0x0642ffdb in QInotifyFileSystemWatcherEngine::run (this=0x9d4eed8) at
io/qfilesystemwatcher_inotify.cpp:248
#15 0x0635ada2 in QThreadPrivate::start (arg=0x9d4eed8) at
thread/qthread_unix.cpp:320
#16 0x007b1e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#17 0x08e3673e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 2 (Thread 0xb373eb70 (LWP 5744)):
#0  0x00950416 in __kernel_vsyscall ()
#1  0x007b648c in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/i386-linux-gnu/libpthread.so.0
#2  0x08e443fd in pthread_cond_wait () from /lib/i386-linux-gnu/libc.so.6
#3  0x0635b467 in wait (this=0x9e37c38, mutex=0x9e37c34, time=4294967295) at
thread/qwaitcondition_unix.cpp:88
#4  QWaitCondition::wait (this=0x9e37c38, mutex=0x9e37c34, time=4294967295) at
thread/qwaitcondition_unix.cpp:160
#5  0x0178929a in Digikam::ParkingThread::run (this=0x9e37c28) at
/home/gert/devel/digikam/core/libs/threads/threadmanager.cpp:119
#6  0x0635ada2 in QThreadPrivate::start (arg=0x9e37c28) at
thread/qthread_unix.cpp:320
#7  0x007b1e99 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#8  0x08e3673e in clone () from /lib/i386-linux-gnu/libc.so.6

Thread 1 (Thread 0xb64d88b0 (LWP 5738)):
[KCrash Handler]
#7  0x021cf3e9 in QIcon::QIcon (this=0xbfd99da4, other=...) at
image/qicon.cpp:538
#8  0x0210e91f in QAction::icon (this=0xb019440) at kernel/qaction.cpp:737
#9  0x00664178 in KIPI::PluginLoader::Info::icon (this=0xa2d8440) at
/home/gert/devel/digikam/extra/libkipi/libkipi/pluginloader.cpp:192
#10 0x00664476 in PluginCheckBox (this=0xaefc078, parent=0xaefaea8) at
/home/gert/devel/digikam/extra/libkipi/libkipi/pluginloader.cpp:393
#11 KIPI::ConfigWidget::ConfigWidget (this=0xaefc078, parent=0xaefaea8) at
/home/gert/devel/digikam/extra/libkipi/libkipi/pluginloader.cpp:421
#12 0x00664594 in KIPI::PluginLoader::configWidget (this=0xa368d18,
parent=0xaefaea8) at
/home/gert/devel/digikam/extra/libkipi/libkipi/pluginloader.cpp:380
#13 0x0810aa50 in _start ()

Possible duplicates by query: bug 281250, bug 277669, bug 268242, bug 262050,
bug 255733.

Reported using DrKonqi

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