[Digikam-devel] [Bug 271323] New: Digikam crashes when building thumbnails of grayscale DNGs

Colin Baker colin at colinbaker.org
Wed Apr 20 00:37:28 BST 2011 

https://bugs.kde.org/show_bug.cgi?id=271323

           Summary: Digikam crashes when building thumbnails of grayscale
                    DNGs
           Product: digikam
           Version: 1.4.0
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: digikam-devel at kde.org
        ReportedBy: colin at colinbaker.org


Application: digikam (1.4.0)
KDE Platform Version: 4.5.5 (KDE 4.5.5)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-28-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:
Opening a folder & waiting for thumbnails to generate.  Also occurs while
opening the file.

- Custom settings of the application:
Crash only seems to occur with grayscale DNG RAW files created by Vuescan
scanner software.  Color files are ok.  I can provide sample files if
necessary.

The crash can be reproduced every time.

-- Backtrace:
Application: digiKam (digikam), signal: Segmentation fault
__poll (fds=0x7fff42a5bae0, nfds=1, timeout=-1) at
../sysdeps/unix/sysv/linux/poll.c:85
    in ../sysdeps/unix/sysv/linux/poll.c
[Current thread is 1 (Thread 0x7f212573b7c0 (LWP 1614))]

Thread 18 (Thread 0x7f2111289700 (LWP 1615)):
#0  0x00007f211cf3e203 in __poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f2119dc9009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f2119dc97b5 in g_main_loop_run () from /lib/libglib-2.0.so.0
#3  0x00007f21119c03c4 in ?? () from /usr/lib/libgio-2.0.so.0
#4  0x00007f2119dee7e4 in ?? () from /lib/libglib-2.0.so.0
#5  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#6  0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7f21008f5700 (LWP 1616)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f211e702e3b in wait (this=<value optimized out>, mutex=0x2bbb740,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2bbb740,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00000000006ee97b in Digikam::ScanController::run (this=0x2bbd610) at
/build/buildd/digikam-1.4.0/digikam/scancontroller.cpp:515
#4  0x00007f211e70227e in QThreadPrivate::start (arg=0x2bbd610) at
thread/qthread_unix.cpp:266
#5  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#6  0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7f21000f4700 (LWP 1618)):
#0  0x00007f211e479665 in __pthread_mutex_lock (mutex=0x2d1e8f8) at
pthread_mutex_lock.c:61
#1  0x00007f2119dc8fc6 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f2119dc945c in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f211e8221e6 in QEventDispatcherGlib::processEvents (this=0x2d1e800,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f211e7f4a02 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f211e7f4dec in QEventLoop::exec (this=0x7f21000f3d90, flags=) at
kernel/qeventloop.cpp:201
#6  0x00007f211e6ff2fd in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:490
#7  0x00007f211e70227e in QThreadPrivate::start (arg=0x2d1df20) at
thread/qthread_unix.cpp:266
#8  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#9  0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7f20ff6e6700 (LWP 1619)):
#0  0x00007f211e47ac9d in __pthread_mutex_unlock_usercnt (mutex=0x7f20f80009a8)
at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x7f20f80009a8) at pthread_mutex_unlock.c:290
#2  0x00007f2119dc9486 in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f211e8221e6 in QEventDispatcherGlib::processEvents
(this=0x7f20f80008b0, flags=<value optimized out>) at
kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f211e7f4a02 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f211e7f4dec in QEventLoop::exec (this=0x7f20ff6e5d90, flags=) at
kernel/qeventloop.cpp:201
#6  0x00007f211e6ff2fd in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:490
#7  0x00007f211e70227e in QThreadPrivate::start (arg=0x2d1e3c0) at
thread/qthread_unix.cpp:266
#8  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#9  0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7f20feee5700 (LWP 1620)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f211e702e3b in wait (this=<value optimized out>, mutex=0x2d383f8,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x2d383f8,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f21227225e4 in Digikam::ParkingThread::run (this=0x2d383e0) at
/build/buildd/digikam-1.4.0/libs/threads/threadmanager.cpp:101
#4  0x00007f211e70227e in QThreadPrivate::start (arg=0x2d383e0) at
thread/qthread_unix.cpp:266
#5  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#6  0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7f20fe6e4700 (LWP 1621)):
#0  0x00007f211cf3e203 in __poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f2119dc9009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f2119dc945c in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f211e8221e6 in QEventDispatcherGlib::processEvents (this=0x2d5ba90,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f211e7f4a02 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f211e7f4dec in QEventLoop::exec (this=0x7f20fe6e3d90, flags=) at
kernel/qeventloop.cpp:201
#6  0x00007f211e6ff2fd in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:490
#7  0x00007f211e70227e in QThreadPrivate::start (arg=0x2d59d30) at
thread/qthread_unix.cpp:266
#8  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#9  0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7f20fdee3700 (LWP 1622)):
#0  0x00007f2119dc8a99 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#1  0x00007f2119dc8e78 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f2119dc945c in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f211e8221e6 in QEventDispatcherGlib::processEvents (this=0x2d5f0c0,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f211e7f4a02 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f211e7f4dec in QEventLoop::exec (this=0x7f20fdee2d90, flags=) at
kernel/qeventloop.cpp:201
#6  0x00007f211e6ff2fd in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:490
#7  0x00007f211e70227e in QThreadPrivate::start (arg=0x2d5d030) at
thread/qthread_unix.cpp:266
#8  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#9  0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7f20f10f7700 (LWP 1623)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:212
#1  0x00007f20f6e3c0d1 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#3  0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7f20efebe700 (LWP 1624)):
#0  0x00007f211cf432c3 in select () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f20f6e65385 in xine_usec_sleep () from /usr/lib/libxine.so.1
#2  0x00007f20f6e49d09 in ?? () from /usr/lib/libxine.so.1
#3  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#4  0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7f20ef6bd700 (LWP 1625)):
#0  0x00007f211cf3e203 in __poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f2119dc9009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f2119dc945c in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f211e8221e6 in QEventDispatcherGlib::processEvents (this=0x3296360,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f211e7f4a02 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f211e7f4dec in QEventLoop::exec (this=0x7f20ef6bcd30, flags=) at
kernel/qeventloop.cpp:201
#6  0x00007f211e6ff2fd in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:490
#7  0x00007f20fc08e2b0 in ?? () from
/usr/lib/qt4/plugins/phonon_backend/phonon_xine.so
#8  0x00007f211e70227e in QThreadPrivate::start (arg=0x3295d20) at
thread/qthread_unix.cpp:266
#9  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#10 0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f20eecb7700 (LWP 1626)):
#0  0x00007f211cf3e203 in __poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f211cc4f40f in ?? () from /usr/lib/libpulse.so.0
#2  0x00007f211cc3ed76 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
#3  0x00007f211cc407f9 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#4  0x00007f211cc408b0 in pa_mainloop_run () from /usr/lib/libpulse.so.0
#5  0x00007f211cc4f20b in ?? () from /usr/lib/libpulse.so.0
#6  0x00007f21149e8fb8 in ?? () from /usr/lib/libpulsecommon-0.9.21.so
#7  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#8  0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f20ea4b5700 (LWP 1627)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f20f6e4ce83 in ?? () from /usr/lib/libxine.so.1
#2  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#3  0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f20e9cb4700 (LWP 1628)):
#0  0x00007f2119dc85c7 in g_main_context_check () from /lib/libglib-2.0.so.0
#1  0x00000000034da440 in ?? ()
#2  0x00007f211a065e60 in ?? () from /lib/libglib-2.0.so.0
#3  0x0000000000000001 in ?? ()
#4  0x00007f211e479630 in ?? () at pthread_mutex_lock.c:201 from
/lib/libpthread.so.0
#5  0x0000000000000001 in ?? ()
#6  0x0000000000000003 in ?? ()
#7  0x00007f2119dc945c in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#8  0x00007f211e8221e6 in QEventDispatcherGlib::processEvents (this=0x34d6130,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#9  0x00007f211e7f4a02 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#10 0x00007f211e7f4dec in QEventLoop::exec (this=0x7f20e9cb3d50, flags=) at
kernel/qeventloop.cpp:201
#11 0x00007f211e6ff2fd in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:490
#12 0x00007f211e7d45f8 in QInotifyFileSystemWatcherEngine::run (this=0x34d5b80)
at io/qfilesystemwatcher_inotify.cpp:248
#13 0x00007f211e70227e in QThreadPrivate::start (arg=0x34d5b80) at
thread/qthread_unix.cpp:266
#14 0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#15 0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#16 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f20e73e1700 (LWP 1635)):
#0  __pthread_mutex_unlock_usercnt (mutex=0x3ac68e8) at
pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x3ac68e8) at pthread_mutex_unlock.c:290
#2  0x00007f2119dc8a05 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#3  0x00007f2119dc8e78 in ?? () from /lib/libglib-2.0.so.0
#4  0x00007f2119dc945c in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#5  0x00007f211e8221e6 in QEventDispatcherGlib::processEvents (this=0x3ac4870,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#6  0x00007f211e7f4a02 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#7  0x00007f211e7f4dec in QEventLoop::exec (this=0x7f20e73e0d50, flags=) at
kernel/qeventloop.cpp:201
#8  0x00007f211e6ff2fd in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:490
#9  0x00007f211e7d45f8 in QInotifyFileSystemWatcherEngine::run (this=0x3ac3a40)
at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f211e70227e in QThreadPrivate::start (arg=0x3ac3a40) at
thread/qthread_unix.cpp:266
#11 0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#12 0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f20df7fe700 (LWP 1889)):
#0  0x00007f211cf3e203 in __poll (fds=<value optimized out>, nfds=<value
optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f2119dc9009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f2119dc945c in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#3  0x00007f211e8221e6 in QEventDispatcherGlib::processEvents (this=0x6803240,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f211e7f4a02 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f211e7f4dec in QEventLoop::exec (this=0x7f20df7fdd50, flags=) at
kernel/qeventloop.cpp:201
#6  0x00007f211e6ff2fd in QThread::exec (this=<value optimized out>) at
thread/qthread.cpp:490
#7  0x00007f211e7d45f8 in QInotifyFileSystemWatcherEngine::run (this=0x6802430)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f211e70227e in QThreadPrivate::start (arg=0x6802430) at
thread/qthread_unix.cpp:266
#9  0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#10 0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f20c3c4e700 (LWP 2256)):
#0  deref (this=0x65dc258, other=...) at
../../include/QtCore/../../src/corelib/arch/qatomic_x86_64.h:133
#1  QString::operator= (this=0x65dc258, other=...) at tools/qstring.cpp:1324
#2  0x00007f21236eb338 in QSqlResult::savePrepare (this=0x3bfdfc0, query=...)
at kernel/qsqlresult.cpp:589
#3  0x00007f21236dcdfb in QSqlQuery::prepare (this=0x7f20c3c4d548, query=...)
at kernel/qsqlquery.cpp:923
#4  0x00007f21226d2092 in Digikam::SqlQuery::prepare (this=0x7f20c3c4d540,
query=...) at /build/buildd/digikam-1.4.0/libs/database/sqlquery.cpp:52
#5  0x00007f21226bf8be in Digikam::DatabaseCoreBackend::prepareQuery
(this=0x2be6c80, sql=...) at
/build/buildd/digikam-1.4.0/libs/database/databasecorebackend.cpp:1075
#6  0x00007f21226c1e5a in Digikam::DatabaseCoreBackend::execQuery
(this=0x7f20c3c4d710, sql=..., boundValue1=..., boundValue2=...,
boundValue3=..., boundValue4=...) at
/build/buildd/digikam-1.4.0/libs/database/databasecorebackend.cpp:798
#7  0x00007f21226c1f49 in Digikam::DatabaseCoreBackend::execSql
(this=0x2be6c80, sql=<value optimized out>, boundValue1=<value optimized out>,
boundValue2=<value optimized out>, boundValue3=<value optimized out>,
boundValue4=<value optimized out>, values=0x0, lastInsertId=0x7f20c3c4d700) at
/build/buildd/digikam-1.4.0/libs/database/databasecorebackend.cpp:744
#8  0x00007f21226cafd8 in Digikam::ThumbnailDB::insertThumbnail
(this=0x2be32f0, info=<value optimized out>, lastInsertId=<value optimized
out>) at /build/buildd/digikam-1.4.0/libs/database/thumbnaildb.cpp:187
#9  0x00007f21226fca3a in Digikam::ThumbnailCreator::storeInDatabase (this=0x2,
info=..., image=<value optimized out>) at
/build/buildd/digikam-1.4.0/libs/threadimageio/thumbnailcreator.cpp:592
#10 0x00007f21226fec06 in Digikam::ThumbnailCreator::load (this=0x2d51ce0,
path=...) at
/build/buildd/digikam-1.4.0/libs/threadimageio/thumbnailcreator.cpp:201
#11 0x00007f212270604b in Digikam::ThumbnailLoadingTask::execute
(this=0x2d6edb0) at
/build/buildd/digikam-1.4.0/libs/threadimageio/thumbnailtask.cpp:133
#12 0x00007f21226e47f6 in Digikam::LoadSaveThread::run (this=0x2d34970) at
/build/buildd/digikam-1.4.0/libs/threadimageio/loadsavethread.cpp:116
#13 0x00007f21227238d6 in Digikam::DynamicThreadPriv::run (this=0x2d52920) at
/build/buildd/digikam-1.4.0/libs/threads/dynamicthread.cpp:237
#14 0x00007f211e6f7d02 in QThreadPoolThread::run (this=0x7eee780) at
concurrent/qthreadpool.cpp:106
#15 0x00007f211e70227e in QThreadPrivate::start (arg=0x7eee780) at
thread/qthread_unix.cpp:266
#16 0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#17 0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#18 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f20d5c2e700 (LWP 2268)):
[KCrash Handler]
#6  Digikam::RAWLoader::loadedFromDcraw (this=0x7f20d5c2cc60, data=<value
optimized out>, width=3427, height=2320, rgbmax=<value optimized out>,
observer=0x2d4f4e0) at
/build/buildd/digikam-1.4.0/libs/dimg/loaders/rawloader.cpp:219
#7  0x00007f21225b0048 in Digikam::RAWLoader::load (this=0x7f20d5c2cc60,
filePath=..., observer=0x2d4f4e0) at
/build/buildd/digikam-1.4.0/libs/dimg/loaders/rawloader.cpp:105
#8  0x00007f2122596bc8 in Digikam::DImg::load (this=0x7f20d5c2d5a0,
filePath=..., loadFlagsInt=<value optimized out>, observer=<value optimized
out>, rawDecodingSettings=<value optimized out>) at
/build/buildd/digikam-1.4.0/libs/dimg/dimg.cpp:436
#9  0x00007f21225985e0 in Digikam::DImg::load (this=0x7f20d5c2d5a0,
filePath=..., loadMetadata=<value optimized out>, loadICCData=<value optimized
out>, loadUniqueHash=<value optimized out>, observer=0x2d4f4e0,
rawDecodingSettings=...) at /build/buildd/digikam-1.4.0/libs/dimg/dimg.cpp:351
#10 0x00007f21226fadf4 in Digikam::ThumbnailCreator::loadWithDImg
(this=0x7f20f8002440, path=<value optimized out>, profile=0x7f20d5c2d860) at
/build/buildd/digikam-1.4.0/libs/threadimageio/thumbnailcreator.cpp:411
#11 0x00007f21226fda5a in Digikam::ThumbnailCreator::createThumbnail
(this=0x7f20f8002440, info=<value optimized out>) at
/build/buildd/digikam-1.4.0/libs/threadimageio/thumbnailcreator.cpp:361
#12 0x00007f21226fe7bd in Digikam::ThumbnailCreator::load (this=0x7f20f8002440,
path=...) at
/build/buildd/digikam-1.4.0/libs/threadimageio/thumbnailcreator.cpp:195
#13 0x00007f212270604b in Digikam::ThumbnailLoadingTask::execute
(this=0x2d4f4d0) at
/build/buildd/digikam-1.4.0/libs/threadimageio/thumbnailtask.cpp:133
#14 0x00007f21226e47f6 in Digikam::LoadSaveThread::run (this=0x2d1ff90) at
/build/buildd/digikam-1.4.0/libs/threadimageio/loadsavethread.cpp:116
#15 0x00007f21227238d6 in Digikam::DynamicThreadPriv::run (this=0x2d36c50) at
/build/buildd/digikam-1.4.0/libs/threads/dynamicthread.cpp:237
#16 0x00007f211e6f7d02 in QThreadPoolThread::run (this=0x65e7140) at
concurrent/qthreadpool.cpp:106
#17 0x00007f211e70227e in QThreadPrivate::start (arg=0x65e7140) at
thread/qthread_unix.cpp:266
#18 0x00007f211e477971 in start_thread (arg=<value optimized out>) at
pthread_create.c:304
#19 0x00007f211cf4a92d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#20 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f212573b7c0 (LWP 1614)):
#0  __poll (fds=0x7fff42a5bae0, nfds=1, timeout=-1) at
../sysdeps/unix/sysv/linux/poll.c:85
#1  0x00007f2114c072da in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f2114c08f4c in xcb_wait_for_reply () from /usr/lib/libxcb.so.1
#3  0x00007f211b861993 in _XReply () from /usr/lib/libX11.so.6
#4  0x00007f211b83da95 in XGetImage () from /usr/lib/libX11.so.6
#5  0x00007f211f508e80 in QX11PixmapData::toImage (this=0x7f20e01ed620,
rect=...) at image/qpixmap_x11.cpp:1546
#6  0x00007f211f50256a in QX11PixmapData::toImage (this=0x1) at
image/qpixmap_x11.cpp:1577
#7  0x00007f211f4ef030 in QPixmap::toImage (this=0x7fff42a5be00) at
image/qpixmap.cpp:487
#8  0x00007f211f50377d in QX11PixmapData::setAlphaChannel (this=0x7f20e0256f60,
alpha=...) at image/qpixmap_x11.cpp:1300
#9  0x00000000006ec3e6 in Digikam::RatingWidget::applyFading (this=<value
optimized out>, pix=...) at
/build/buildd/digikam-1.4.0/digikam/ratingwidget.cpp:374
#10 0x00000000006ec5d6 in Digikam::RatingWidget::paintEvent (this=0x2d58890) at
/build/buildd/digikam-1.4.0/digikam/ratingwidget.cpp:357
#11 0x00007f211f45dc2e in QWidget::event (this=0x2d58890, event=0x7fff42a5c700)
at kernel/qwidget.cpp:8333
#12 0x00007f211f407fdc in QApplicationPrivate::notify_helper (this=0x29756f0,
receiver=0x2d58890, e=0x7fff42a5c700) at kernel/qapplication.cpp:4396
#13 0x00007f211f40daed in QApplication::notify (this=0x7fff42a5f740,
receiver=0x2d58890, e=0x7fff42a5c700) at kernel/qapplication.cpp:4277
#14 0x00007f212015b586 in KApplication::notify (this=0x7fff42a5f740,
receiver=0x2d58890, event=0x7fff42a5c700) at
../../kdeui/kernel/kapplication.cpp:310
#15 0x00007f211e7f5cdc in QCoreApplication::notifyInternal
(this=0x7fff42a5f740, receiver=0x2d58890, event=0x7fff42a5c700) at
kernel/qcoreapplication.cpp:732
#16 0x00007f211f46467d in sendSpontaneousEvent (this=0x2d588d0, pdev=<value
optimized out>, rgn=..., offset=<value optimized out>, flags=<value optimized
out>, sharedPainter=0x0, backingStore=0x2cb2910) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#17 QWidgetPrivate::drawWidget (this=0x2d588d0, pdev=<value optimized out>,
rgn=..., offset=<value optimized out>, flags=<value optimized out>,
sharedPainter=0x0, backingStore=0x2cb2910) at kernel/qwidget.cpp:5420
#18 0x00007f211f465328 in QWidgetPrivate::paintSiblingsRecursive (this=<value
optimized out>, pdev=<value optimized out>, siblings=..., index=3, rgn=<value
optimized out>, offset=<value optimized out>, flags=4, sharedPainter=0x0,
backingStore=0x2cb2910) at kernel/qwidget.cpp:5627
#19 0x00007f211f4643da in QWidgetPrivate::drawWidget (this=0x2d1b220,
pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value
optimized out>, sharedPainter=0x0, backingStore=0x2cb2910) at
kernel/qwidget.cpp:5473
#20 0x00007f211f465328 in QWidgetPrivate::paintSiblingsRecursive (this=<value
optimized out>, pdev=<value optimized out>, siblings=..., index=0, rgn=<value
optimized out>, offset=<value optimized out>, flags=4, sharedPainter=0x0,
backingStore=0x2cb2910) at kernel/qwidget.cpp:5627
#21 0x00007f211f4643da in QWidgetPrivate::drawWidget (this=0x2d1ade0,
pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value
optimized out>, sharedPainter=0x0, backingStore=0x2cb2910) at
kernel/qwidget.cpp:5473
#22 0x00007f211f465328 in QWidgetPrivate::paintSiblingsRecursive (this=<value
optimized out>, pdev=<value optimized out>, siblings=..., index=8, rgn=<value
optimized out>, offset=<value optimized out>, flags=4, sharedPainter=0x0,
backingStore=0x2cb2910) at kernel/qwidget.cpp:5627
#23 0x00007f211f4643da in QWidgetPrivate::drawWidget (this=0x2d1aba0,
pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value
optimized out>, sharedPainter=0x0, backingStore=0x2cb2910) at
kernel/qwidget.cpp:5473
#24 0x00007f211f465328 in QWidgetPrivate::paintSiblingsRecursive (this=<value
optimized out>, pdev=<value optimized out>, siblings=..., index=2, rgn=<value
optimized out>, offset=<value optimized out>, flags=4, sharedPainter=0x0,
backingStore=0x2cb2910) at kernel/qwidget.cpp:5627
#25 0x00007f211f4643da in QWidgetPrivate::drawWidget (this=0x2c73960,
pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value
optimized out>, sharedPainter=0x0, backingStore=0x2cb2910) at
kernel/qwidget.cpp:5473
#26 0x00007f211f465328 in QWidgetPrivate::paintSiblingsRecursive (this=<value
optimized out>, pdev=<value optimized out>, siblings=..., index=1, rgn=<value
optimized out>, offset=<value optimized out>, flags=4, sharedPainter=0x0,
backingStore=0x2cb2910) at kernel/qwidget.cpp:5627
#27 0x00007f211f4643da in QWidgetPrivate::drawWidget (this=0x2c72870,
pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value
optimized out>, sharedPainter=0x0, backingStore=0x2cb2910) at
kernel/qwidget.cpp:5473
#28 0x00007f211f465328 in QWidgetPrivate::paintSiblingsRecursive (this=<value
optimized out>, pdev=<value optimized out>, siblings=..., index=5, rgn=<value
optimized out>, offset=<value optimized out>, flags=4, sharedPainter=0x0,
backingStore=0x2cb2910) at kernel/qwidget.cpp:5627
#29 0x00007f211f4643da in QWidgetPrivate::drawWidget (this=0x2b528f0,
pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value
optimized out>, sharedPainter=0x0, backingStore=0x2cb2910) at
kernel/qwidget.cpp:5473
#30 0x00007f211f465328 in QWidgetPrivate::paintSiblingsRecursive (this=<value
optimized out>, pdev=<value optimized out>, siblings=..., index=11, rgn=<value
optimized out>, offset=<value optimized out>, flags=4, sharedPainter=0x0,
backingStore=0x2cb2910) at kernel/qwidget.cpp:5627
#31 0x00007f211f4643da in QWidgetPrivate::drawWidget (this=0x2be0370,
pdev=<value optimized out>, rgn=..., offset=<value optimized out>, flags=<value
optimized out>, sharedPainter=0x0, backingStore=0x2cb2910) at
kernel/qwidget.cpp:5473
#32 0x00007f211f638408 in QWidgetBackingStore::sync (this=0x2cb2910) at
painting/qbackingstore.cpp:1328
#33 0x00007f211f457730 in QWidgetPrivate::syncBackingStore (this=0x2be0370) at
kernel/qwidget.cpp:1805
#34 0x00007f211f45e2f5 in QWidget::event (this=0x2c16b60, event=0x35afd80) at
kernel/qwidget.cpp:8480
#35 0x00007f211f84541b in QMainWindow::event (this=0x2c16b60, event=0x35afd80)
at widgets/qmainwindow.cpp:1417
#36 0x00007f2120278c93 in KXmlGuiWindow::event (this=0x7fff42a5bae0, ev=0x1) at
../../kdeui/xmlgui/kxmlguiwindow.cpp:132
#37 0x00007f211f407fdc in QApplicationPrivate::notify_helper (this=0x29756f0,
receiver=0x2c16b60, e=0x35afd80) at kernel/qapplication.cpp:4396
#38 0x00007f211f40daed in QApplication::notify (this=0x7fff42a5f740,
receiver=0x2c16b60, e=0x35afd80) at kernel/qapplication.cpp:4277
#39 0x00007f212015b586 in KApplication::notify (this=0x7fff42a5f740,
receiver=0x2c16b60, event=0x35afd80) at ../../kdeui/kernel/kapplication.cpp:310
#40 0x00007f211e7f5cdc in QCoreApplication::notifyInternal
(this=0x7fff42a5f740, receiver=0x2c16b60, event=0x35afd80) at
kernel/qcoreapplication.cpp:732
#41 0x00007f211e7f8c22 in sendEvent (receiver=0x0, event_type=<value optimized
out>, data=0x2936b90) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#42 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=<value
optimized out>, data=0x2936b90) at kernel/qcoreapplication.cpp:1373
#43 0x00007f211e822653 in sendPostedEvents (s=0x2977a60) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#44 postEventSourceDispatch (s=0x2977a60) at
kernel/qeventdispatcher_glib.cpp:277
#45 0x00007f2119dc5342 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#46 0x00007f2119dc92a8 in ?? () from /lib/libglib-2.0.so.0
#47 0x00007f2119dc945c in g_main_context_iteration () from
/lib/libglib-2.0.so.0
#48 0x00007f211e822193 in QEventDispatcherGlib::processEvents (this=0x2936280,
flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#49 0x00007f211f4baa4e in QGuiEventDispatcherGlib::processEvents
(this=0x7fff42a5bae0, flags=<value optimized out>) at
kernel/qguieventdispatcher_glib.cpp:204
#50 0x00007f211e7f4a02 in QEventLoop::processEvents (this=<value optimized
out>, flags=) at kernel/qeventloop.cpp:149
#51 0x00007f211e7f4dec in QEventLoop::exec (this=0x7fff42a5f5b0, flags=) at
kernel/qeventloop.cpp:201
#52 0x00007f211e7f8ebb in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1009
#53 0x000000000077cc1d in main (argc=<value optimized out>, argv=<value
optimized out>) at /build/buildd/digikam-1.4.0/digikam/main.cpp:195

Possible duplicates by query: bug 248430.

Reported using DrKonqi

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