Bug 313559

Summary: K3b crashed at KDE shutdown
Product: [Applications] k3b Reporter: Christopher Yeleighton <giecrilj>
Component: generalAssignee: k3b developers <k3b>
Status: RESOLVED WORKSFORME    
Severity: crash CC: trueg
Priority: NOR    
Version: 2.0.2   
Target Milestone: ---   
Platform: Compiled Sources   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Christopher Yeleighton 2013-01-20 14:18:29 UTC
Application: k3b (2.0.2)
KDE Platform Version: 4.9.00 (Compiled from sources)
Qt Version: 4.8.1
Operating System: Linux 3.4.11-2.16-desktop x86_64
Distribution: "openSUSE 12.2 (x86_64)"

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

K3b opened automatically from the session manager.  I did not touch it at all.  It crashed upon KDE shutdown.

The crash can be reproduced some of the time.

-- Backtrace:
Application: K3b (k3b), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f60e2aef840 (LWP 4213))]

Thread 4 (Thread 0x7f60c920b700 (LWP 4226)):
#0  0x00007f60d63484a1 in g_mutex_unlock (mutex=mutex@entry=0x7f60c40009a0) at gthread-posix.c:227
#1  0x00007f60d630c196 in g_main_context_check (context=context@entry=0x7f60c40009a0, max_priority=2147483647, fds=fds@entry=0x7f60c4002c00, n_fds=n_fds@entry=1) at gmain.c:3021
#2  0x00007f60d630c622 in g_main_context_iterate (context=context@entry=0x7f60c40009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at gmain.c:3143
#3  0x00007f60d630c7a4 in g_main_context_iteration (context=0x7f60c40009a0, may_block=1) at gmain.c:3207
#4  0x00007f60db4ac956 in QEventDispatcherGlib::processEvents (this=0x7f60c40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f60db47d73f in QEventLoop::processEvents (this=this@entry=0x7f60c920ad30, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f60db47d9c8 in QEventLoop::exec (this=0x7f60c920ad30, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f60db381e40 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x00007f60db45e11f in QInotifyFileSystemWatcherEngine::run (this=0x234f050) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f60db384ddb in QThreadPrivate::start (arg=0x234f050) at thread/qthread_unix.cpp:298
#10 0x00007f60db0eee0e in start_thread (arg=0x7f60c920b700) at pthread_create.c:305
#11 0x00007f60d96dd2cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x7f60c2ffd700 (LWP 4406)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
#1  0x00007f60db383a26 in thread_sleep (ti=ti@entry=0x7f60c2ffcd20) at thread/qthread_unix.cpp:435
#2  0x00007f60db3841c6 in QThread::sleep (secs=<optimized out>) at thread/qthread_unix.cpp:449
#3  0x00007f60e23f7815 in K3b::MediaCache::PollThread::run (this=0x242d1e0) at /tmp/kde-krzysztof/arkUMgQ0e/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007f60db384ddb in QThreadPrivate::start (arg=0x242d1e0) at thread/qthread_unix.cpp:298
#5  0x00007f60db0eee0e in start_thread (arg=0x7f60c2ffd700) at pthread_create.c:305
#6  0x00007f60d96dd2cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x7f60c27fc700 (LWP 4407)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
#1  0x00007f60db383a26 in thread_sleep (ti=ti@entry=0x7f60c27fbd20) at thread/qthread_unix.cpp:435
#2  0x00007f60db3841c6 in QThread::sleep (secs=<optimized out>) at thread/qthread_unix.cpp:449
#3  0x00007f60e23f7815 in K3b::MediaCache::PollThread::run (this=0x242d9d0) at /tmp/kde-krzysztof/arkUMgQ0e/k3b-2.0.2/libk3b/tools/k3bmediacache.cpp:106
#4  0x00007f60db384ddb in QThreadPrivate::start (arg=0x242d9d0) at thread/qthread_unix.cpp:298
#5  0x00007f60db0eee0e in start_thread (arg=0x7f60c27fc700) at pthread_create.c:305
#6  0x00007f60d96dd2cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f60e2aef840 (LWP 4213)):
[KCrash Handler]
#6  0x00007f60db386780 in length (this=0x26d3328) at tools/qbytearray.h:356
#7  qstrcmp (str1=..., str2=...) at tools/qbytearray.cpp:344
#8  0x00007f60db8896bb in operator< (k2=..., k1=...) at /home/krzysztof/proj/kdelibs-4.9.0/kdecore/config/kconfigdata.h:122
#9  qMapLessThanKey<KEntryKey> (key2=..., key1=...) at /usr/include/QtCore/qmap.h:107
#10 findNode (akey=..., this=0x2805b40) at /usr/include/QtCore/qmap.h:487
#11 find (akey=..., this=0x2805b40) at /usr/include/QtCore/qmap.h:608
#12 findEntry (flags=..., key=..., group=..., this=0x2805b40) at /home/krzysztof/proj/kdelibs-4.9.0/kdecore/config/kconfigdata.h:205
#13 getEntry (expand=0x7ffff44c5cbf, flags=..., defaultValue=..., key=..., group=..., this=0x2805b40) at /home/krzysztof/proj/kdelibs-4.9.0/kdecore/config/kconfigdata.h:346
#14 KConfigPrivate::lookupData (this=0x2805b10, group=..., key=<optimized out>, flags=..., expand=0x7ffff44c5cbf) at /home/krzysztof/proj/kdelibs-4.9.0/kdecore/config/kconfig.cpp:881
#15 0x00007f60db892c2a in KConfigGroup::readPathEntry (this=this@entry=0x7ffff44c5f80, key=0x286b108 "3 url", aDefault=...) at /home/krzysztof/proj/kdelibs-4.9.0/kdecore/config/kconfiggroup.cpp:793
#16 0x00007f60db892e2d in KConfigGroup::readPathEntry (this=0x7ffff44c5f80, pKey=..., aDefault=...) at /home/krzysztof/proj/kdelibs-4.9.0/kdecore/config/kconfiggroup.cpp:783
#17 0x00000000004ffb8a in K3b::MainWindow::readProperties (this=<optimized out>, grp=...) at /tmp/kde-krzysztof/arkUMgQ0e/k3b-2.0.2/src/k3b.cpp:832
#18 0x00007f60dc522179 in KMainWindow::readPropertiesInternal (this=this@entry=0x2436ae0, config=0x267d830, number=number@entry=1) at /home/krzysztof/proj/kdelibs-4.9.0/kdeui/widgets/kmainwindow.cpp:739
#19 0x00007f60dc52232a in KMainWindow::restore (this=0x2436ae0, number=1, show=true) at /home/krzysztof/proj/kdelibs-4.9.0/kdeui/widgets/kmainwindow.cpp:539
#20 0x00000000004f2587 in K3b::Application::init (this=0x7ffff44c6c00) at /tmp/kde-krzysztof/arkUMgQ0e/k3b-2.0.2/src/k3bapplication.cpp:129
#21 0x00007f60db4930ae in QObject::event (this=0x7ffff44c6c00, e=<optimized out>) at kernel/qobject.cpp:1204
#22 0x00007f60da393904 in QApplication::event (this=0x7ffff44c6c00, e=0x234e5e0) at kernel/qapplication.cpp:2536
#23 0x00007f60da39174c in QApplicationPrivate::notify_helper (this=this@entry=0x21e9cb0, receiver=receiver@entry=0x7ffff44c6c00, e=e@entry=0x234e5e0) at kernel/qapplication.cpp:4554
#24 0x00007f60da395c7a in QApplication::notify (this=0x7ffff44c6c00, receiver=0x7ffff44c6c00, e=0x234e5e0) at kernel/qapplication.cpp:4415
#25 0x00007f60dc46d816 in KApplication::notify (this=0x7ffff44c6c00, receiver=0x7ffff44c6c00, event=0x234e5e0) at /home/krzysztof/proj/kdelibs-4.9.0/kdeui/kernel/kapplication.cpp:311
#26 0x00007f60db47e73e in QCoreApplication::notifyInternal (this=0x7ffff44c6c00, receiver=receiver@entry=0x7ffff44c6c00, event=event@entry=0x234e5e0) at kernel/qcoreapplication.cpp:876
#27 0x00007f60db482091 in sendEvent (event=0x234e5e0, receiver=0x7ffff44c6c00) at kernel/qcoreapplication.h:231
#28 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x2165370) at kernel/qcoreapplication.cpp:1500
#29 0x00007f60db4ac7a3 in sendPostedEvents () at kernel/qcoreapplication.h:236
#30 postEventSourceDispatch (s=s@entry=0x21f4cf0) at kernel/qeventdispatcher_glib.cpp:279
#31 0x00007f60d630c3b5 in g_main_dispatch (context=0x21f4140) at gmain.c:2539
#32 g_main_context_dispatch (context=context@entry=0x21f4140) at gmain.c:3075
#33 0x00007f60d630c6e8 in g_main_context_iterate (context=context@entry=0x21f4140, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at gmain.c:3146
#34 0x00007f60d630c7a4 in g_main_context_iteration (context=0x21f4140, may_block=1) at gmain.c:3207
#35 0x00007f60db4ac936 in QEventDispatcherGlib::processEvents (this=0x216abf0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#36 0x00007f60da4318ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#37 0x00007f60db47d73f in QEventLoop::processEvents (this=this@entry=0x7ffff44c6a90, flags=...) at kernel/qeventloop.cpp:149
#38 0x00007f60db47d9c8 in QEventLoop::exec (this=0x7ffff44c6a90, flags=...) at kernel/qeventloop.cpp:204
#39 0x00007f60db4823a8 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1148
#40 0x000000000044731b in main (argc=3, argv=0x7ffff44c6d48) at /tmp/kde-krzysztof/arkUMgQ0e/k3b-2.0.2/src/main.cpp:151

This bug may be a duplicate of or related to bug 279834.

Possible duplicates by query: bug 279834.

Reported using DrKonqi
Comment 1 Andrew Crouthamel 2018-10-31 04:01:23 UTC
Dear Bug Submitter,

This bug has been stagnant for a long time. Could you help us out and re-test if the bug is valid in the latest version? I am setting the status to NEEDSINFO pending your response, please change the Status back to REPORTED when you respond.

Thank you for helping us make KDE software even better for everyone!
Comment 2 Bug Janitor Service 2018-11-15 10:39:39 UTC
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 3 Bug Janitor Service 2018-11-30 03:52:27 UTC
This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!