[Digikam-devel] Crash when using CIMG image resizing in Digikam SVN

Tue Mar 27 21:19:13 BST 2007

Am Dienstag 27 März 2007 schrieben Sie:
> Thorsten,
>
> I have found the problem. The crash is releavnt of CImg::wait(...) call in
> my Greycstoration interface.
>
> I have removed these call and the valgrind report disapear.
>
> Code is patched to svn. Please checkout, try again, and give me a report.
> Thanks in advance.
>
> Gilles

Hi Gilles,

sorry, but I still have a crash. I tried to collect all useful informations.

Bye

  Thorsten

digikam: GreycstorationIface::Resize: new size: (3764, 2509)
[New Thread -1247376496 (LWP 7635)]
digikam: GreycstorationIface::Initialization...
digikam: GreycstorationIface::Process Computation...
digikam: Resizing image: size 3072 x 2048, value range [0 , 255]
[New Thread -1360770160 (LWP 7654)]
[New Thread -1369162864 (LWP 7655)]
[Thread -1369162864 (LWP 7655) exited]
[New Thread -1584268400 (LWP 7789)]
[New Thread -1744942192 (LWP 7790)]
[Thread -1360770160 (LWP 7654) exited]
[Thread -1744942192 (LWP 7790) exited]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1584268400 (LWP 7789)]
0xb7e9eccb in cimg_library::CImg<float>::greycstoration_thread (arg=0x8c7a1dc) 
at greycstoration.h:144
144               for (unsigned int x=0; x<source.width && !*(p.stop_request); 
x+=p.tile)

(gdb) info threads
* 8 Thread -1584268400 (LWP 7789)  0xb7e9eccb in 
cimg_library::CImg<float>::greycstoration_thread (arg=0x8c7a1dc) at 
greycstoration.h:144
  5 Thread -1247376496 (LWP 7635)  0xb7fa3410 in __kernel_vsyscall ()
  4 Thread -1255769200 (LWP 7628)  0xb7fa3410 in __kernel_vsyscall ()
  1 Thread -1245477200 (LWP 7553)  0xb7fa3410 in __kernel_vsyscall ()

(gdb) bt
#0  0xb7e9eccb in cimg_library::CImg<float>::greycstoration_thread 
(arg=0x8c7a1dc) at greycstoration.h:144
#1  0xb5f494bb in start_thread () from /lib/libpthread.so.0
#2  0xb5d0676e in clone () from /lib/libc.so.6

(gdb) thread 5
[Switching to thread 5 (Thread -1247376496 (LWP 7635))]#0  0xb7fa3410 in 
__kernel_vsyscall ()
(gdb) bt
#0  0xb7fa3410 in __kernel_vsyscall ()
#1  0xb5f4db5c in pthread_cond_timedwait@@GLIBC_2.3.2 () 
from /lib/libpthread.so.0
#2  0xb65224ca in ?? () from /usr/qt/3/lib/libqt-mt.so.3
#3  0xb5a67684 in ?? ()
#4  0xb5a676b4 in ?? ()
#5  0xb5a676f0 in ?? ()
#6  0xb68221b4 in QMutex::unlock () from /usr/qt/3/lib/libqt-mt.so.3
#7  0xb6522567 in QThread::usleep () from /usr/qt/3/lib/libqt-mt.so.3
#8  0xb7e82d12 in Digikam::GreycstorationIface::iterationLoop (this=0x8dcb9f0, 
iter=1) at greycstorationiface.cpp:416
#9  0xb7e832a4 in Digikam::GreycstorationIface::resize (this=0x8dcb9f0) at 
greycstorationiface.cpp:384
#10 0xb7e83d78 in Digikam::GreycstorationIface::filterImage (this=0x8dcb9f0) 
at greycstorationiface.cpp:203
#11 0xb7e57546 in Digikam::DImgThreadedFilter::startComputation 
(this=0x8dcb9f0) at dimgthreadedfilter.cpp:143
#12 0xb7e5059f in Digikam::DImgThreadedFilter::run (this=0x8dcb9f0) 
at ../../../digikam/libs/dimg/filters/dimgthreadedfilter.h:101
#13 0xb65228e3 in QThreadInstance::start () from /usr/qt/3/lib/libqt-mt.so.3
#14 0xb5f494bb in start_thread () from /lib/libpthread.so.0
#15 0xb5d0676e in clone () from /lib/libc.so.6

(gdb) thread 4
[Switching to thread 4 (Thread -1255769200 (LWP 7628))]#0  0xb7fa3410 in 
__kernel_vsyscall ()
(gdb) bt
#0  0xb7fa3410 in __kernel_vsyscall ()
#1  0xb5f4db5c in pthread_cond_timedwait@@GLIBC_2.3.2 () 
from /lib/libpthread.so.0
#2  0xb68232b9 in QWaitCondition::wait () from /usr/qt/3/lib/libqt-mt.so.3
#3  0xb7e7b53c in Digikam::LoadSaveThread::run (this=0xb5f4140) at 
loadsavethread.cpp:115
#4  0xb65228e3 in QThreadInstance::start () from /usr/qt/3/lib/libqt-mt.so.3
#5  0xb5f494bb in start_thread () from /lib/libpthread.so.0
#6  0xb5d0676e in clone () from /lib/libc.so.6

(gdb) thread 1
[Switching to thread 1 (Thread -1245477200 (LWP 7553))]#0  0xb7fa3410 in 
__kernel_vsyscall ()
(gdb) bt
#0  0xb7fa3410 in __kernel_vsyscall ()
#1  0xb5d000e1 in select () from /lib/libc.so.6
#2  0xb64d9618 in QEventLoop::processEvents () 
from /usr/qt/3/lib/libqt-mt.so.3
#3  0xb65404a1 in QEventLoop::enterLoop () from /usr/qt/3/lib/libqt-mt.so.3
#4  0xb652936f in QApplication::enter_loop () from /usr/qt/3/lib/libqt-mt.so.3
#5  0xb670db16 in QDialog::exec () from /usr/qt/3/lib/libqt-mt.so.3
#6  0xb7eff94e in Digikam::EditorWindow::slotResize (this=0x8c78528) at 
editorwindow.cpp:593
#7  0xb7f041f3 in Digikam::EditorWindow::qt_invoke (this=0x8c78528, _id=76, 
_o=0xbfa34a58) at editorwindow.moc:229
#8  0xb7f0b210 in Digikam::ImageWindow::qt_invoke (this=0x8c78528, _id=76, 
_o=0xbfa34be8) at imagewindow.moc:232
#9  0xb6588b49 in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#10 0xb658979d in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#11 0xb6dd3f8c in KAction::activated (this=0x8d56818) at kaction.moc:176
#12 0xb6dd47a1 in KAction::slotActivated (this=0xbfa34be8) at kaction.cpp:1102
#13 0xb6dd49eb in KAction::slotPopupActivated (this=0x8d56818) at 
kaction.cpp:1137
#14 0xb6dd4d1c in KAction::qt_invoke (this=0x8d56818, _id=16, _o=0xbfa34d24) 
at kaction.moc:219
#15 0xb6588b49 in QObject::activate_signal () from /usr/qt/3/lib/libqt-mt.so.3
#16 0xb68c172e in QSignal::signal () from /usr/qt/3/lib/libqt-mt.so.3
#17 0xb65a4b05 in QSignal::activate () from /usr/qt/3/lib/libqt-mt.so.3
#18 0xb668dec9 in QPopupMenu::mouseReleaseEvent () 
from /usr/qt/3/lib/libqt-mt.so.3
#19 0xb6dc30a0 in KPopupMenu::mouseReleaseEvent (this=0x8d680a8, e=0xbfa3512c) 
at kpopupmenu.cpp:508
#20 0xb65c18be in QWidget::event () from /usr/qt/3/lib/libqt-mt.so.3
#21 0xb6529977 in QApplication::internalNotify () 
from /usr/qt/3/lib/libqt-mt.so.3
#22 0xb652a748 in QApplication::notify () from /usr/qt/3/lib/libqt-mt.so.3
#23 0xb6b3d86b in KApplication::notify (this=0xbfa355c0, receiver=0x8d680a8, 
event=0xbfa3512c) at kapplication.cpp:550
#24 0xb64ca996 in QETWidget::translateMouseEvent () 
from /usr/qt/3/lib/libqt-mt.so.3
---Type <return> to continue, or q <return> to quit---
#25 0xb64c9940 in QApplication::x11ProcessEvent () 
from /usr/qt/3/lib/libqt-mt.so.3
#26 0xb64d9831 in QEventLoop::processEvents () 
from /usr/qt/3/lib/libqt-mt.so.3
#27 0xb65404a1 in QEventLoop::enterLoop () from /usr/qt/3/lib/libqt-mt.so.3
#28 0xb6540326 in QEventLoop::exec () from /usr/qt/3/lib/libqt-mt.so.3
#29 0xb65293ff in QApplication::exec () from /usr/qt/3/lib/libqt-mt.so.3
#30 0x0804b1d0 in main (argc=-1079814060, argv=0xb7fb24a9) at main.cpp:321