[Digikam-devel] [Bug 243074] New: channel mixer hangs on initialize

Johannes Wienke languitar at semipol.de
Mon Jun 28 19:41:04 BST 2010 

https://bugs.kde.org/show_bug.cgi?id=243074

           Summary: channel mixer hangs on initialize
           Product: digikam
           Version: 1.4.0
          Platform: Unlisted Binaries
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: NOR
         Component: Image Editor
        AssignedTo: digikam-devel at kde.org
        ReportedBy: languitar at semipol.de


Version:           1.4.0
OS:                Linux

I started the channel mixer and no initial preview was generated. The progress
bar had appeared and was stuck at 0% percent. So I tried to press cancel but
nothing happened. This is the backtrace for all threads.

Thread 13 (Thread 0x7f5fca4b0710 (LWP 26892)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5fd835772b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQtCore.so.4
#2  0x000000000065bd4c in Digikam::ScanController::run (this=0x24e8170) at
/home/languitar/kde-workspace/digikam-trunk/digikam/scancontroller.cpp:516
#3  0x00007f5fd8356775 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f5fd80c69ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#5  0x00007f5fd73fd6cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7f5fc9caf710 (LWP 27023)):
#0  0x00007f5fd73f0f53 in *__GI___poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5fd3d624a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f5fd3d628fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f5fd8474513 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#4  0x00007f5fd8449992 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#5  0x00007f5fd8449d6c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#6  0x00007f5fd8353d59 in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007f5fd8356775 in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007f5fd80c69ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#9  0x00007f5fd73fd6cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f5fc92a1710 (LWP 27024)):
#0  0x00007f5fd73f0f53 in *__GI___poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5fd3d624a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f5fd3d628fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f5fd8474513 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#4  0x00007f5fd8449992 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#5  0x00007f5fd8449d6c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#6  0x00007f5fd8353d59 in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007f5fd8356775 in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007f5fd80c69ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#9  0x00007f5fd73fd6cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f5fc13ca710 (LWP 27029)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5fd835772b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQtCore.so.4
#2  0x00007f5fdbcf3c78 in Digikam::ParkingThread::run (this=<value optimized
out>)
    at
/home/languitar/kde-workspace/digikam-trunk/libs/threads/threadmanager.cpp:101
#3  0x00007f5fd8356775 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f5fd80c69ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#5  0x00007f5fd73fd6cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f5fc0bc9710 (LWP 27031)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007f5fd73f0f53 in *__GI___poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5fd3d624a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f5fd3d628fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f5fd8474513 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#4  0x00007f5fd8449992 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#5  0x00007f5fd8449d6c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#6  0x00007f5fd8353d59 in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007f5fd8356775 in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007f5fd80c69ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#9  0x00007f5fd73fd6cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f5fc03c8710 (LWP 27032)):
#0  0x00007f5fd73f0f53 in *__GI___poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5fd3d624a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f5fd3d628fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f5fd8474513 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#4  0x00007f5fd8449992 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#5  0x00007f5fd8449d6c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#6  0x00007f5fd8353d59 in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007f5fd8356775 in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007f5fd80c69ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#9  0x00007f5fd73fd6cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f5fb9931710 (LWP 27096)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007f5fbdccf081 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f5fd80c69ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#3  0x00007f5fd73fd6cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f5fb84f5710 (LWP 27129)):
#0  0x00007f5fd73f5fb3 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f5fbdcf82c5 in xine_usec_sleep () from /usr/lib/libxine.so.1
#2  0x00007f5fbdcdcc99 in ?? () from /usr/lib/libxine.so.1
#3  0x00007f5fd80c69ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#4  0x00007f5fd73fd6cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f5fb7cf4710 (LWP 27130)):
#0  0x00007f5fd73f0f53 in *__GI___poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5fd3d624a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f5fd3d628fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f5fd8474513 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#4  0x00007f5fd8449992 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#5  0x00007f5fd8449d6c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
---Type <return> to continue, or q <return> to quit---
#6  0x00007f5fd8353d59 in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007f5fbdf2b440 in ?? () from
/usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#8  0x00007f5fd8356775 in ?? () from /usr/lib/libQtCore.so.4
#9  0x00007f5fd80c69ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#10 0x00007f5fd73fd6cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f5fb2397710 (LWP 27192)):
#0  0x00007f5fd73f0f53 in *__GI___poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=333) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5fb72ee915 in ?? () from
/usr/lib/xine/plugins/1.27/xineplug_ao_out_alsa.so
#2  0x00007f5fd80c69ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#3  0x00007f5fd73fd6cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f5fb6192710 (LWP 27193)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5fbdcdfe23 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f5fd80c69ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#3  0x00007f5fd73fd6cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5fb1395710 (LWP 27384)):
#0  0x00007f5fd73f0f53 in *__GI___poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5fd3d624a9 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f5fd3d628fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f5fd8474513 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#4  0x00007f5fd8449992 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#5  0x00007f5fd8449d6c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#6  0x00007f5fd8353d59 in QThread::exec() () from /usr/lib/libQtCore.so.4
#7  0x00007f5fd842a178 in ?? () from /usr/lib/libQtCore.so.4
#8  0x00007f5fd8356775 in ?? () from /usr/lib/libQtCore.so.4
#9  0x00007f5fd80c69ca in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#10 0x00007f5fd73fd6cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5fdec807e0 (LWP 26599)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f5fd835772b in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQtCore.so.4
#2  0x00007f5fdbcf4954 in Digikam::DynamicThread::wait (this=0xdf3b9b0,
locker=<value optimized out>)
    at
/home/languitar/kde-workspace/digikam-trunk/libs/threads/dynamicthread.cpp:248
#3  0x00007f5fdbcf4a0c in Digikam::DynamicThread::wait (this=0xdf3b9b0) at
/home/languitar/kde-workspace/digikam-trunk/libs/threads/dynamicthread.cpp:150
#4  0x00007f5fdbbdf2cf in Digikam::DImgThreadedFilter::cancelFilter
(this=0xdf3b9b0)
    at
/home/languitar/kde-workspace/digikam-trunk/libs/dimg/filters/dimgthreadedfilter.cpp:175
#5  0x00007f5fdbdae5fa in Digikam::EditorToolThreaded::slotAbort
(this=0x4a61bb0)
    at
/home/languitar/kde-workspace/digikam-trunk/utilities/imageeditor/editor/editortool.cpp:374
#6  0x00007f5fdbdb0aac in Digikam::EditorToolIface::qt_metacall
(this=0x4a655a0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, 
    _a=<value optimized out>) at
/home/languitar/kde-workspace/build/digikam-trunk/digikam/editortooliface.moc:80
---Type <return> to continue, or q <return> to quit---
#7  0x00007f5fd845de3f in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib/libQtCore.so.4
#8  0x00007f5fdbd3ad8c in Digikam::StatusProgressBar::qt_metacall
(this=0x56c3e80, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, 
    _a=0x7fffa7e49140) at
/home/languitar/kde-workspace/build/digikam-trunk/digikam/statusprogressbar.moc:80
#9  0x00007f5fd845de3f in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib/libQtCore.so.4
#10 0x00007f5fd99d05f2 in QAbstractButton::clicked(bool) () from
/usr/lib/libQtGui.so.4
#11 0x00007f5fd96ea86b in ?? () from /usr/lib/libQtGui.so.4
#12 0x00007f5fd96eb70b in ?? () from /usr/lib/libQtGui.so.4
#13 0x00007f5fd96eb97c in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
from /usr/lib/libQtGui.so.4
#14 0x00007f5fd938b582 in QWidget::event(QEvent*) () from
/usr/lib/libQtGui.so.4
#15 0x00007f5fd933522c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQtGui.so.4
#16 0x00007f5fd933becb in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQtGui.so.4
#17 0x00007f5fda29b526 in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdeui.so.5
#18 0x00007f5fd844b06c in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/libQtCore.so.4
#19 0x00007f5fd933b0ae in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) ()
   from /usr/lib/libQtGui.so.4
#20 0x00007f5fd93baf65 in ?? () from /usr/lib/libQtGui.so.4
#21 0x00007f5fd93b98ac in QApplication::x11ProcessEvent(_XEvent*) () from
/usr/lib/libQtGui.so.4
#22 0x00007f5fd93e5882 in ?? () from /usr/lib/libQtGui.so.4
#23 0x00007f5fd3d5e8c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#24 0x00007f5fd3d62748 in ?? () from /lib/libglib-2.0.so.0
#25 0x00007f5fd3d628fc in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#26 0x00007f5fd8474513 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#27 0x00007f5fd93e546e in ?? () from /usr/lib/libQtGui.so.4
#28 0x00007f5fd8449992 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#29 0x00007f5fd8449d6c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#30 0x00007f5fd844daab in QCoreApplication::exec() () from
/usr/lib/libQtCore.so.4
#31 0x00000000006bbe7a in main (argc=<value optimized out>, argv=<value
optimized out>) at
/home/languitar/kde-workspace/digikam-trunk/digikam/main.cpp:195


Reproducible: Sometimes




current trunk

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