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Automatically exported from code.google.com/p/pam-face-authentication
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Segmeneation fault (core image recorded) #26

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?
1. run qt-facetrainer
2. click next

What is the expected output? What do you see instead?

Segmentation fault (core image recorded)

The program is closed.

What version of the product are you using? On what operating system?

pam-face-authentication version 3 - Fedora 12

Please provide any additional information below.

Log:

Feb  8 22:51:45 localhost kernel: qt-facetrainer[3241]: segfault at
10136497e ip 00000039a122f3bb sp 00007fff447fb140 error 4 in
libcv.so.2.0.0[39a1200000+f5000]
Feb  8 22:51:45 localhost abrtd: Directory 'ccpp-1265676705-3241' creation
detected
Feb  8 22:51:45 localhost abrtd: Lock file
'/var/cache/abrt/ccpp-1265676705-3241.lock' is locked by process 3243
Feb  8 22:51:46 localhost abrt: saved core dump of pid 3241 to
/var/cache/abrt/ccpp-1265676705-3241/coredump
Feb  8 22:51:46 localhost abrtd: Executable doesn't belong to any package
Feb  8 22:51:46 localhost abrtd: Corrupted or bad crash, deleting...

Original issue reported on code.google.com by lgom...@gmail.com on 9 Feb 2010 at 12:57

GoogleCodeExporter commented 9 years ago 
i think this has to do with the Webcam API, if its possible try with a 
different webcam

else

can you run qt-facetrainer through gdb

gdb qt-facetrainer
start
continue

when it segfaults

type
bt

paste the output here

Original comment by rohan.a...@gmail.com on 17 Feb 2010 at 5:29

GoogleCodeExporter commented 9 years ago 
The same thing for me. Here is a backtrace:

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff6623ea5 in cvCanny () from /usr/lib64/libcv.so.3
(gdb) bt
#0  0x00007ffff6623ea5 in cvCanny () from /usr/lib64/libcv.so.3
#1  0x00007ffff6691c1c in cvHaarDetectObjects () from /usr/lib64/libcv.so.3
#2  0x000000000041da17 in faceDetector::runFaceDetector(_IplImage*) ()
#3  0x000000000041b8b7 in detector::runDetector(_IplImage*) ()
#4  0x000000000041145a in faceTrainer::timerEvent(QTimerEvent*) ()
#5  0x00007ffff6dac58e in QObject::event(QEvent*) () from 
/usr/lib64/libQtCore.so.4
#6  0x00007ffff72829e4 in QWidget::event(QEvent*) () from 
/usr/lib64/libQtGui.so.4
#7  0x00007ffff75d171b in QMainWindow::event(QEvent*) () from 
/usr/lib64/libQtGui.so.4
#8  0x00007ffff7237b8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) 
()
from /usr/lib64/libQtGui.so.4
#9  0x00007ffff723e27f in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libQtGui.so.4
#10 0x00007ffff6d9e93c in QCoreApplication::notifyInternal(QObject*, QEvent*) 
() from
/usr/lib64/libQtCore.so.4
#11 0x00007ffff6dc3806 in ?? () from /usr/lib64/libQtCore.so.4
#12 0x00007ffff6dc0d68 in ?? () from /usr/lib64/libQtCore.so.4
#13 0x00007ffff4f5461e in g_main_context_dispatch () from 
/lib64/libglib-2.0.so.0
#14 0x00007ffff4f58008 in ?? () from /lib64/libglib-2.0.so.0
#15 0x00007ffff4f5812a in g_main_context_iteration () from 
/lib64/libglib-2.0.so.0
#16 0x00007ffff6dc0a33 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () 
from
/usr/lib64/libQtCore.so.4
#17 0x00007ffff72c8d4e in ?? () from /usr/lib64/libQtGui.so.4
#18 0x00007ffff6d9d562 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQtCore.so.4
#19 0x00007ffff6d9d705 in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQtCore.so.4
#20 0x00007ffff6d9f2cb in QCoreApplication::exec() () from 
/usr/lib64/libQtCore.so.4
#21 0x0000000000412020 in main ()
(gdb)

Original comment by tos...@gmail.com on 10 Mar 2010 at 9:30

GoogleCodeExporter commented 9 years ago 
I was in the process of making rpms for f12 and f13 complies fine but there 
seems to
be an error related to opencv (ps this happens even when there is no camera.)

The dialogue first screen comes up press next then the program crashes.

Here is the output

(<unknown>:4986): GStreamer-CRITICAL **: 
Trying to dispose element appsink1, but it is in READY instead of the NULL 
state.
You need to explicitly set elements to the NULL state before
dropping the final reference, to allow them to clean up.
This problem may also be caused by a refcounting bug in the
application or some element.

(<unknown>:4986): GStreamer-CRITICAL **: 
Trying to dispose element ffmpegcsp1, but it is in READY instead of the NULL 
state.
You need to explicitly set elements to the NULL state before
dropping the final reference, to allow them to clean up.
This problem may also be caused by a refcounting bug in the
application or some element.

(<unknown>:4986): GStreamer-CRITICAL **: 
Trying to dispose element fakesink, but it is in READY instead of the NULL 
state.
You need to explicitly set elements to the NULL state before
dropping the final reference, to allow them to clean up.
This problem may also be caused by a refcounting bug in the
application or some element.

(<unknown>:4986): GStreamer-CRITICAL **: 
Trying to dispose element typefind, but it is in READY instead of the NULL 
state.
You need to explicitly set elements to the NULL state before
dropping the final reference, to allow them to clean up.
This problem may also be caused by a refcounting bug in the
application or some element.

(<unknown>:4986): GStreamer-CRITICAL **: 
Trying to dispose element decodebin1, but it is in READY instead of the NULL 
state.
You need to explicitly set elements to the NULL state before
dropping the final reference, to allow them to clean up.
This problem may also be caused by a refcounting bug in the
application or some element.

(<unknown>:4986): GStreamer-CRITICAL **: 
Trying to dispose element capsfilter0, but it is in READY instead of the NULL 
state.
You need to explicitly set elements to the NULL state before
dropping the final reference, to allow them to clean up.
This problem may also be caused by a refcounting bug in the
application or some element.

(<unknown>:4986): GStreamer-CRITICAL **: 
Trying to dispose element appsink2, but it is in READY instead of the NULL 
state.
You need to explicitly set elements to the NULL state before
dropping the final reference, to allow them to clean up.
This problem may also be caused by a refcounting bug in the
application or some element.

(<unknown>:4986): GStreamer-CRITICAL **: 
Trying to dispose element ffmpegcsp2, but it is in READY instead of the NULL 
state.
You need to explicitly set elements to the NULL state before
dropping the final reference, to allow them to clean up.
This problem may also be caused by a refcounting bug in the
application or some element.

(<unknown>:4986): GStreamer-CRITICAL **: 
Trying to dispose element fakesink, but it is in READY instead of the NULL 
state.
You need to explicitly set elements to the NULL state before
dropping the final reference, to allow them to clean up.
This problem may also be caused by a refcounting bug in the
application or some element.

(<unknown>:4986): GStreamer-CRITICAL **: 
Trying to dispose element typefind, but it is in READY instead of the NULL 
state.
You need to explicitly set elements to the NULL state before
dropping the final reference, to allow them to clean up.
This problem may also be caused by a refcounting bug in the
application or some element.

(<unknown>:4986): GStreamer-CRITICAL **: 
Trying to dispose element decodebin2, but it is in READY instead of the NULL 
state.
You need to explicitly set elements to the NULL state before
dropping the final reference, to allow them to clean up.
This problem may also be caused by a refcounting bug in the
application or some element.

OpenCV ERROR: Unspecified error (unicap: failed to get info for device
)
    in function CvCapture_Unicap::initDevice, cvcap_unicap.cpp(138)
Terminating the application...
Segmentation fault (core dumped)

Also in F12 I got a seg fault when trying to authenticate.

Am testing in F13 if it works there I'll give you the opencv versions.

Steven

Original comment by stevenj...@gmail.com on 11 May 2010 at 12:47

GoogleCodeExporter commented 9 years ago 
I have solved the problem - work around only.

It is to do with the fact that most distributions have upgraded opencv to 
version 2.
According to opencv wikii major version numbers indicate a change in api 
structure. 

For fedora i have made a compatible rpm for opencv that only installs the 
libraries. 

So to work properly pam-face-authentication need to be complied against
opencv-devel-1.0.0

Original comment by stevenj...@gmail.com on 13 May 2010 at 9:41

GoogleCodeExporter commented 9 years ago 
see http://forums.fedoraforum.org/showthread.php?p=1359447#post1359447 

for updated install details

Steven

Original comment by stevenj...@gmail.com on 13 May 2010 at 9:42

GoogleCodeExporter commented 9 years ago 
These are being marked as duplicates of 106. Please see/track that bug for 
Issues

Original comment by armadefu...@gmail.com on 8 Mar 2013 at 9:07