Bug 299779

Summary: lancelot crashed when open samba config tool
Product: [Unmaintained] plasma4 Reporter: Luis Alberto Arriola <laarriola>
Component: widget-lancelotAssignee: Ivan Čukić <ivan.cukic>
Status: RESOLVED DUPLICATE    
Severity: crash CC: adaptee, laarriola, thijs22nospam
Priority: NOR    
Version: 4.8.2   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:
Attachments: New crash information added by DrKonqi

Description Luis Alberto Arriola 2012-05-10 22:38:14 UTC 
Application: lancelot (1.9.5)
KDE Platform Version: 4.8.2 (4.8.2)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-24-generic-pae i686
Distribution: Ubuntu 12.04 LTS

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

just trying to open system-config- samba (wich did not open).

-- Backtrace:
Application: Lancelot (lancelot), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb18a0b00 (LWP 2916))]

Thread 11 (Thread 0xaeea2b40 (LWP 2917)):
#0  0xb77dd424 in __kernel_vsyscall ()
#1  0xb58f0380 in __GI___poll (fds=0xae502278, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb2a58a3b in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb2a4b06e in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb2a4b1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb5c4e8e7 in QEventDispatcherGlib::processEvents (this=0xae500468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0xb5c1a50d in QEventLoop::processEvents (this=0xaeea2240, flags=...) at kernel/qeventloop.cpp:149
#7  0xb5c1a7a9 in QEventLoop::exec (this=0xaeea2240, flags=...) at kernel/qeventloop.cpp:204
#8  0xb5b0394c in QThread::exec (this=0x9a2dda0) at thread/qthread.cpp:501
#9  0xb5bf7b5d in QInotifyFileSystemWatcherEngine::run (this=0x9a2dda0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0xb5b06de0 in QThreadPrivate::start (arg=0x9a2dda0) at thread/qthread_unix.cpp:298
#11 0xb2b56d4c in start_thread (arg=0xaeea2b40) at pthread_create.c:308
#12 0xb58feace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 10 (Thread 0xae351b40 (LWP 2918)):
#0  0xb2a8a3cb in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb2a4af5f in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb2a4b1c1 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb5c4e8e7 in QEventDispatcherGlib::processEvents (this=0xada00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0xb5c1a50d in QEventLoop::processEvents (this=0xae351240, flags=...) at kernel/qeventloop.cpp:149
#5  0xb5c1a7a9 in QEventLoop::exec (this=0xae351240, flags=...) at kernel/qeventloop.cpp:204
#6  0xb5b0394c in QThread::exec (this=0x9d402e0) at thread/qthread.cpp:501
#7  0xb5bf7b5d in QInotifyFileSystemWatcherEngine::run (this=0x9d402e0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0xb5b06de0 in QThreadPrivate::start (arg=0x9d402e0) at thread/qthread_unix.cpp:298
#9  0xb2b56d4c in start_thread (arg=0xae351b40) at pthread_create.c:308
#10 0xb58feace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 9 (Thread 0xa18e1b40 (LWP 13138)):
#0  0xb77dd424 in __kernel_vsyscall ()
#1  0xb2b5a96b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb590c3dc in __pthread_cond_wait (cond=0x9dbd970, mutex=0x9dbd958) at forward.c:139
#3  0xb5b07350 in wait (time=4294967295, this=0x9dbd958) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9dc1650, mutex=0x9d7e660, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb33b0acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9dc1638, th=0xa80bf68) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb33b395b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d7d230, th=0xa80bf68) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb33b063a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9dc1638, th=0xa80bf68) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb33b3a5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7d230, th=0xa80bf68) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb33b0533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9dc1638, th=0xa80bf68, previous=0xa0b9398) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb33b24e4 in ThreadWeaver::ThreadRunHelper::run (this=0xa18e12a4, parent=0x9dc1638, th=0xa80bf68) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb33b259a in ThreadWeaver::Thread::run (this=0xa80bf68) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5b06de0 in QThreadPrivate::start (arg=0xa80bf68) at thread/qthread_unix.cpp:298
#13 0xb2b56d4c in start_thread (arg=0xa18e1b40) at pthread_create.c:308
#14 0xb58feace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 8 (Thread 0xa10e0b40 (LWP 13139)):
#0  0xb77dd424 in __kernel_vsyscall ()
#1  0xb2b5a96b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb590c3dc in __pthread_cond_wait (cond=0x9dbd970, mutex=0x9dbd958) at forward.c:139
#3  0xb5b07350 in wait (time=4294967295, this=0x9dbd958) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9dc1650, mutex=0x9d7e660, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb33b0acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9dc1638, th=0xa80f0e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb33b395b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d7d230, th=0xa80f0e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb33b063a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9dc1638, th=0xa80f0e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb33b3a5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7d230, th=0xa80f0e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb33b0533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9dc1638, th=0xa80f0e0, previous=0x9db5d58) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb33b24e4 in ThreadWeaver::ThreadRunHelper::run (this=0xa10e02a4, parent=0x9dc1638, th=0xa80f0e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb33b259a in ThreadWeaver::Thread::run (this=0xa80f0e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5b06de0 in QThreadPrivate::start (arg=0xa80f0e0) at thread/qthread_unix.cpp:298
#13 0xb2b56d4c in start_thread (arg=0xa10e0b40) at pthread_create.c:308
#14 0xb58feace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 7 (Thread 0xa04ffb40 (LWP 13140)):
#0  0xb77dd424 in __kernel_vsyscall ()
#1  0xb2b5a96b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb590c3dc in __pthread_cond_wait (cond=0x9dbd970, mutex=0x9dbd958) at forward.c:139
#3  0xb5b07350 in wait (time=4294967295, this=0x9dbd958) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9dc1650, mutex=0x9d7e660, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb33b0acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9dc1638, th=0xa21a760) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb33b395b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d7d230, th=0xa21a760) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb33b063a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9dc1638, th=0xa21a760) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb33b3a5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7d230, th=0xa21a760) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb33b0533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9dc1638, th=0xa21a760, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb33b3a78 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7d230, th=0xa21a760) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb33b0533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9dc1638, th=0xa21a760, previous=0xa805180) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb33b24e4 in ThreadWeaver::ThreadRunHelper::run (this=0xa04ff2a4, parent=0x9dc1638, th=0xa21a760) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb33b259a in ThreadWeaver::Thread::run (this=0xa21a760) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb5b06de0 in QThreadPrivate::start (arg=0xa21a760) at thread/qthread_unix.cpp:298
#15 0xb2b56d4c in start_thread (arg=0xa04ffb40) at pthread_create.c:308
#16 0xb58feace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 6 (Thread 0x9fcfeb40 (LWP 13141)):
#0  0xb77dd424 in __kernel_vsyscall ()
#1  0xb2b5a96b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb590c3dc in __pthread_cond_wait (cond=0x9dbd970, mutex=0x9dbd958) at forward.c:139
#3  0xb5b07350 in wait (time=4294967295, this=0x9dbd958) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9dc1650, mutex=0x9d7e660, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb33b0acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9dc1638, th=0x9d8c0c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb33b395b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d7d230, th=0x9d8c0c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb33b063a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9dc1638, th=0x9d8c0c0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb33b3a5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7d230, th=0x9d8c0c0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb33b0533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9dc1638, th=0x9d8c0c0, previous=0x9ce2ab0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb33b24e4 in ThreadWeaver::ThreadRunHelper::run (this=0x9fcfe2a4, parent=0x9dc1638, th=0x9d8c0c0) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb33b259a in ThreadWeaver::Thread::run (this=0x9d8c0c0) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5b06de0 in QThreadPrivate::start (arg=0x9d8c0c0) at thread/qthread_unix.cpp:298
#13 0xb2b56d4c in start_thread (arg=0x9fcfeb40) at pthread_create.c:308
#14 0xb58feace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0x9f2ffb40 (LWP 13142)):
#0  0xb77dd424 in __kernel_vsyscall ()
#1  0xb2b5a96b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb590c3dc in __pthread_cond_wait (cond=0x9dbd970, mutex=0x9dbd958) at forward.c:139
#3  0xb5b07350 in wait (time=4294967295, this=0x9dbd958) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9dc1650, mutex=0x9d7e660, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb33b0acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9dc1638, th=0xa7e36a8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb33b395b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d7d230, th=0xa7e36a8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb33b063a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9dc1638, th=0xa7e36a8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb33b3a5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7d230, th=0xa7e36a8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb33b0533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9dc1638, th=0xa7e36a8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb33b3a78 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7d230, th=0xa7e36a8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb33b0533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9dc1638, th=0xa7e36a8, previous=0x9d63cb0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb33b24e4 in ThreadWeaver::ThreadRunHelper::run (this=0x9f2ff2a4, parent=0x9dc1638, th=0xa7e36a8) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb33b259a in ThreadWeaver::Thread::run (this=0xa7e36a8) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb5b06de0 in QThreadPrivate::start (arg=0xa7e36a8) at thread/qthread_unix.cpp:298
#15 0xb2b56d4c in start_thread (arg=0x9f2ffb40) at pthread_create.c:308
#16 0xb58feace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0x9eafeb40 (LWP 13143)):
#0  0xb77dd424 in __kernel_vsyscall ()
#1  0xb2b5a96b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb590c3dc in __pthread_cond_wait (cond=0x9dbd970, mutex=0x9dbd958) at forward.c:139
#3  0xb5b07350 in wait (time=4294967295, this=0x9dbd958) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9dc1650, mutex=0x9d7e660, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb33b0acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9dc1638, th=0xa49e8a8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb33b395b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d7d230, th=0xa49e8a8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb33b063a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9dc1638, th=0xa49e8a8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb33b3a5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7d230, th=0xa49e8a8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb33b0533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9dc1638, th=0xa49e8a8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb33b3a78 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7d230, th=0xa49e8a8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb33b0533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9dc1638, th=0xa49e8a8, previous=0x9d0e3c8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb33b24e4 in ThreadWeaver::ThreadRunHelper::run (this=0x9eafe2a4, parent=0x9dc1638, th=0xa49e8a8) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb33b259a in ThreadWeaver::Thread::run (this=0xa49e8a8) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb5b06de0 in QThreadPrivate::start (arg=0xa49e8a8) at thread/qthread_unix.cpp:298
#15 0xb2b56d4c in start_thread (arg=0x9eafeb40) at pthread_create.c:308
#16 0xb58feace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0x9e2fdb40 (LWP 13144)):
#0  0xb77dd424 in __kernel_vsyscall ()
#1  0xb2b5a96b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb590c3dc in __pthread_cond_wait (cond=0x9dbd970, mutex=0x9dbd958) at forward.c:139
#3  0xb5b07350 in wait (time=4294967295, this=0x9dbd958) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9dc1650, mutex=0x9d7e660, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb33b0acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9dc1638, th=0xa813600) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb33b395b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d7d230, th=0xa813600) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb33b063a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9dc1638, th=0xa813600) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb33b3a5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7d230, th=0xa813600) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb33b0533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9dc1638, th=0xa813600, previous=0xa559ee8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb33b24e4 in ThreadWeaver::ThreadRunHelper::run (this=0x9e2fd2a4, parent=0x9dc1638, th=0xa813600) at ../../../threadweaver/Weaver/Thread.cpp:87
#11 0xb33b259a in ThreadWeaver::Thread::run (this=0xa813600) at ../../../threadweaver/Weaver/Thread.cpp:142
#12 0xb5b06de0 in QThreadPrivate::start (arg=0xa813600) at thread/qthread_unix.cpp:298
#13 0xb2b56d4c in start_thread (arg=0x9e2fdb40) at pthread_create.c:308
#14 0xb58feace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0x9dafcb40 (LWP 13145)):
#0  0xb77dd424 in __kernel_vsyscall ()
#1  0xb2b5a96b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0xb590c3dc in __pthread_cond_wait (cond=0x9dbd970, mutex=0x9dbd958) at forward.c:139
#3  0xb5b07350 in wait (time=4294967295, this=0x9dbd958) at thread/qwaitcondition_unix.cpp:86
#4  QWaitCondition::wait (this=0x9dc1650, mutex=0x9d7e660, time=4294967295) at thread/qwaitcondition_unix.cpp:158
#5  0xb33b0acc in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x9dc1638, th=0xa8191e8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#6  0xb33b395b in ThreadWeaver::WorkingHardState::waitForAvailableJob (this=0x9d7d230, th=0xa8191e8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:80
#7  0xb33b063a in ThreadWeaver::WeaverImpl::waitForAvailableJob (this=0x9dc1638, th=0xa8191e8) at ../../../threadweaver/Weaver/WeaverImpl.cpp:356
#8  0xb33b3a5c in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7d230, th=0xa8191e8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#9  0xb33b0533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9dc1638, th=0xa8191e8, previous=0x0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#10 0xb33b3a78 in ThreadWeaver::WorkingHardState::applyForWork (this=0x9d7d230, th=0xa8191e8) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#11 0xb33b0533 in ThreadWeaver::WeaverImpl::applyForWork (this=0x9dc1638, th=0xa8191e8, previous=0x9d8f0a0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:351
#12 0xb33b24e4 in ThreadWeaver::ThreadRunHelper::run (this=0x9dafc2a4, parent=0x9dc1638, th=0xa8191e8) at ../../../threadweaver/Weaver/Thread.cpp:87
#13 0xb33b259a in ThreadWeaver::Thread::run (this=0xa8191e8) at ../../../threadweaver/Weaver/Thread.cpp:142
#14 0xb5b06de0 in QThreadPrivate::start (arg=0xa8191e8) at thread/qthread_unix.cpp:298
#15 0xb2b56d4c in start_thread (arg=0x9dafcb40) at pthread_create.c:308
#16 0xb58feace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb18a0b00 (LWP 2916)):
[KCrash Handler]
#7  ref (this=0x6e0c80) at /usr/include/qt4/QtCore/qatomic_i386.h:120
#8  QSharedDataPointer (o=..., this=0xbfea83ac) at /usr/include/qt4/QtCore/qshareddata.h:93
#9  Plasma::QueryMatch::QueryMatch (this=0xbfea83ac, other=...) at ../../plasma/querymatch.cpp:96
#10 0xb738861f in Plasma::RunnerContext::match (this=0x9d7a0f0, id=...) at ../../plasma/runnercontext.cpp:501
#11 0xb738f18c in Plasma::RunnerManager::run (this=0x9a2e510, id=...) at ../../plasma/runnermanager.cpp:590
#12 0xb7150041 in Lancelot::Models::Runner::activate(int) () from /usr/lib/liblancelot-datamodels.so.1
#13 0xb71c14ce in Lancelot::ActionListModel::activated(int) () from /usr/lib/liblancelot.so.2
#14 0xb71a7437 in ?? () from /usr/lib/liblancelot.so.2
#15 0xb71a9129 in ?? () from /usr/lib/liblancelot.so.2
#16 0xb718fee0 in ?? () from /usr/lib/liblancelot.so.2
#17 0xb5c326b1 in QMetaObject::activate (sender=0xa1da740, m=0xb71db930, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3547
#18 0xb718f2b5 in Lancelot::ExtenderButton::activated() () from /usr/lib/liblancelot.so.2
#19 0xb719b70d in Lancelot::ExtenderButton::activate() () from /usr/lib/liblancelot.so.2
#20 0xb718f3b8 in ?? () from /usr/lib/liblancelot.so.2
#21 0xb5c326b1 in QMetaObject::activate (sender=0xa1da740, m=0xb71dbbc4, local_signal_index=2, argv=0x0) at kernel/qobject.cpp:3547
#22 0xb7195b05 in Lancelot::Widget::clicked() () from /usr/lib/liblancelot.so.2
#23 0xb7195ec3 in Lancelot::Widget::mouseReleaseEvent(QGraphicsSceneMouseEvent*) () from /usr/lib/liblancelot.so.2
#24 0xb65b9aef in QGraphicsItem::sceneEvent (this=0xa1da748, event=0xbfea8d98) at graphicsview/qgraphicsitem.cpp:6741
#25 0xb6617196 in QGraphicsWidget::sceneEvent (this=0xa1da740, event=0xbfea8d98) at graphicsview/qgraphicswidget.cpp:1229
#26 0xb65e330e in sendEvent (event=0xbfea8d98, item=0xa1da748, this=<optimized out>) at graphicsview/qgraphicsscene.cpp:1221
#27 QGraphicsScenePrivate::sendEvent (this=0x9b18f60, item=0xa1da748, event=0xbfea8d98) at graphicsview/qgraphicsscene.cpp:1197
#28 0xb65e3f43 in QGraphicsScenePrivate::sendMouseEvent (this=0x9b18f60, mouseEvent=0xbfea8d98) at graphicsview/qgraphicsscene.cpp:1295
#29 0xb65e49a7 in QGraphicsScene::mouseReleaseEvent (this=0x9acecd0, mouseEvent=0xbfea8d98) at graphicsview/qgraphicsscene.cpp:4128
#30 0xb65f335c in QGraphicsScene::event (this=0x9acecd0, event=0xbfea8d98) at graphicsview/qgraphicsscene.cpp:3458
#31 0xb5f36ed4 in notify_helper (e=0xbfea8d98, receiver=0x9acecd0, this=0x99d4d18) at kernel/qapplication.cpp:4559
#32 QApplicationPrivate::notify_helper (this=0x99d4d18, receiver=0x9acecd0, e=0xbfea8d98) at kernel/qapplication.cpp:4531
#33 0xb5f3c30d in QApplication::notify (this=0xbfea8d98, receiver=0x9acecd0, e=0xbfea8d98) at kernel/qapplication.cpp:4288
#34 0xb6d88b21 in KApplication::notify (this=0x99bebb8, receiver=0x9acecd0, event=0xbfea8d98) at ../../kdeui/kernel/kapplication.cpp:311
#35 0xb5c1b97e in QCoreApplication::notifyInternal (this=0x99bebb8, receiver=0x9acecd0, event=0xbfea8d98) at kernel/qcoreapplication.cpp:876
#36 0xb5f34ced in sendSpontaneousEvent (event=0xbfea8d98, receiver=0x9acecd0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#37 qt_sendSpontaneousEvent (receiver=0x9acecd0, event=0xbfea8d98) at kernel/qapplication.cpp:5557
#38 0xb66123d8 in QGraphicsView::mouseReleaseEvent (this=0x9acb680, event=0xbfea9504) at graphicsview/qgraphicsview.cpp:3338
#39 0x080538fd in _start ()

Possible duplicates by query: bug 293484, bug 283182, bug 274742.

Reported using DrKonqi
Comment 1 Luis Alberto Arriola 2012-06-11 22:26:27 UTC 
Created attachment 71747 [details]
New crash information added by DrKonqi

lancelot (1.9.5) on KDE Platform 4.8.3 (4.8.3) using Qt 4.8.1

- What I was doing when the application crashed:

just clicked on USB tool, then lancelot crashed

-- Backtrace (Reduced):
#8  QSharedDataPointer (o=..., this=0xbfe97b6c) at /usr/include/qt4/QtCore/qshareddata.h:93
#9  Plasma::QueryMatch::QueryMatch (this=0xbfe97b6c, other=...) at ../../plasma/querymatch.cpp:96
#10 0xb72b261f in Plasma::RunnerContext::match (this=0x997a0b8, id=...) at ../../plasma/runnercontext.cpp:501
#11 0xb72b918c in Plasma::RunnerManager::run (this=0x991c1c0, id=...) at ../../plasma/runnermanager.cpp:590
#12 0xb707a041 in Lancelot::Models::Runner::activate (this=0x95e40b0, index=3) at ../../../libs/lancelot-datamodels/Runner.cpp:210
Comment 2 Thijs 2012-06-22 16:59:23 UTC 

*** This bug has been marked as a duplicate of bug 302315 ***