Bug 279254

Summary: Crash when opening dragon player 2.0 with the phonon-vlc backend
Product: [Frameworks and Libraries] phonon-backend-vlc Reporter: janow49420
Component: generalAssignee: Unassigned bugs <unassigned-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: crash CC: aakashrajdahal, bcooksley, fabo, jb, martin.sandsmark, myriam
Priority: NOR    
Version First Reported In: 0.4.0   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description janow49420 2011-08-03 05:06:38 UTC 
Application: dragon (2.0)
KDE Platform Version: 4.7.00 (4.7.0)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-10-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
- What I was doing when the application crashed:
Opening a MP4 file using the vlc phonon backed I noticed it doesn't occur when using an MKV file.

The crash can be reproduced every time.

-- Backtrace:
Application: Dragon Player (dragon), signal: Aborted
__lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
	in ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S
[Current thread is 1 (Thread 0x7ffd93f61780 (LWP 3894))]

Thread 9 (Thread 0x7ffd4b0a4700 (LWP 3899)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffd823a2a30 in LoopRequest (data=0x17325f0) at playlist/thread.c:539
#2  Thread (data=0x17325f0) at playlist/thread.c:586
#3  0x00007ffd7ebad853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#4  0x00007ffd8e1a2d8c in start_thread (arg=0x7ffd4b0a4700) at pthread_create.c:304
#5  0x00007ffd90c8e04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7ffd49490700 (LWP 3901)):
#0  0x00007ffd90c80f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffd8dcd7104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffd8dcd7639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffd9164d446 in QEventDispatcherGlib::processEvents (this=0x1c4bfe0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007ffd91621882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007ffd91621abc in QEventLoop::exec (this=0x7ffd4948fd10, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007ffd91538924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007ffd91603c2f in QInotifyFileSystemWatcherEngine::run (this=0x1c67220) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007ffd9153b175 in QThreadPrivate::start (arg=0x1c67220) at thread/qthread_unix.cpp:320
#9  0x00007ffd7ebad853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007ffd8e1a2d8c in start_thread (arg=0x7ffd49490700) at pthread_create.c:304
#11 0x00007ffd90c8e04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7ffd4afa3700 (LWP 3908)):
#0  0x00007ffd8e1a406d in pthread_join (threadid=140725813909248, thread_return=0x0) at pthread_join.c:89
#1  0x00007ffd82402bdf in vlc_thread_join (p_this=0x7ffd3801ad80) at misc/threads.c:194
#2  0x00007ffd823b78cf in input_DecoderDelete (p_dec=0x7ffd3801ad80) at input/decoder.c:334
#3  0x00007ffd823b9c01 in EsDestroyDecoder (out=<value optimized out>, p_es=<value optimized out>) at input/es_out.c:1612
#4  0x00007ffd823bc108 in EsUnselect (out=0x7ffd452969a0, es=0x7ffd3811df20, b_update=true) at input/es_out.c:1723
#5  0x00007ffd823bdaac in EsOutControlLocked (out=0x7ffd452969a0, i_query=<value optimized out>, args=0x7ffd4afa2960) at input/es_out.c:2145
#6  EsOutControl (out=0x7ffd452969a0, i_query=<value optimized out>, args=0x7ffd4afa2960) at input/es_out.c:2702
#7  0x00007ffd823c0899 in es_out_vaControl (out=<value optimized out>, i_query=<value optimized out>) at ../include/vlc_es_out.h:126
#8  es_out_Control (out=<value optimized out>, i_query=<value optimized out>) at ../include/vlc_es_out.h:135
#9  0x00007ffd823c207e in ControlLocked (p_out=<value optimized out>, i_query=<value optimized out>, args=<value optimized out>) at input/es_out_timeshift.c:620
#10 Control (p_out=<value optimized out>, i_query=<value optimized out>, args=<value optimized out>) at input/es_out_timeshift.c:718
#11 0x00007ffd78da30c9 in es_out_vaControl (out=<value optimized out>, i_query=<value optimized out>) at ../../../include/vlc_es_out.h:126
#12 es_out_Control (out=<value optimized out>, i_query=<value optimized out>) at ../../../include/vlc_es_out.h:135
#13 0x00007ffd78da3e25 in MP4_TrackUnselect (p_demux=<value optimized out>, p_track=0x1d4b3e0) at mp4.c:2447
#14 0x00007ffd78da778a in MP4_TrackNextSample (p_demux=0x7ffd45297f30) at mp4.c:2625
#15 Demux (p_demux=0x7ffd45297f30) at mp4.c:734
#16 0x00007ffd823c9f98 in demux_Demux (p_input=0x7ffd44002170, b_interactive=<value optimized out>) at input/demux.h:48
#17 MainLoopDemux (p_input=0x7ffd44002170, b_interactive=<value optimized out>) at input/input.c:584
#18 MainLoop (p_input=0x7ffd44002170, b_interactive=<value optimized out>) at input/input.c:757
#19 0x00007ffd823ca6d5 in Run (p_this=0x7ffd44002170) at input/input.c:546
#20 0x00007ffd82402924 in thread_entry (data=<value optimized out>) at misc/threads.c:58
#21 0x00007ffd7ebad853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#22 0x00007ffd8e1a2d8c in start_thread (arg=0x7ffd4afa3700) at pthread_create.c:304
#23 0x00007ffd90c8e04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#24 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7ffd48261700 (LWP 3909)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x00007ffd8e1a55b4 in _L_lock_944 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007ffd8e1a53ca in __pthread_mutex_lock (mutex=0x1d47b60) at pthread_mutex_lock.c:61
#3  0x00007ffd8241c311 in sout_InputSendBuffer (p_input=0x7ffd45296ee0, p_buffer=0x7ffd4524d6b0) at stream_output/stream_output.c:282
#4  0x00007ffd823b5eac in DecoderPlaySout (p_dec=0x7ffd3801ad80, p_block=<value optimized out>) at input/decoder.c:1660
#5  DecoderProcessSout (p_dec=0x7ffd3801ad80, p_block=<value optimized out>) at input/decoder.c:1784
#6  DecoderProcess (p_dec=0x7ffd3801ad80, p_block=<value optimized out>) at input/decoder.c:1984
#7  0x00007ffd823b68ab in DecoderThread (p_this=0x7ffd3801ad80) at input/decoder.c:892
#8  0x00007ffd82402924 in thread_entry (data=<value optimized out>) at misc/threads.c:58
#9  0x00007ffd7ebad853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007ffd8e1a2d8c in start_thread (arg=0x7ffd48261700) at pthread_create.c:304
#11 0x00007ffd90c8e04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7ffd48362700 (LWP 3910)):
[KCrash Handler]
#6  0x00007ffd90bdbd05 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007ffd90bdfab6 in abort () at abort.c:92
#8  0x00007ffd90c14d7b in __libc_message (do_abort=2, fmt=0x7ffd90cfd400 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007ffd90c20a8f in malloc_printerr (av=<value optimized out>, p=0x7ffd383ea6a0) at malloc.c:6283
#10 _int_free (av=<value optimized out>, p=0x7ffd383ea6a0) at malloc.c:4795
#11 0x00007ffd90c248e3 in __libc_free (mem=<value optimized out>) at malloc.c:3738
#12 0x00007ffd7e90d8eb in ?? () from /usr/lib/nvidia-current/tls/libnvidia-tls.so.270.41.06
#13 0x00007ffd645c8304 in block_Release (p_stream=0x1d48520, id=0x1d45540, in=0x7ffd383efcd0, out=0x7ffd48361bb8) at ../../../include/vlc_block.h:165
#14 transcode_audio_process (p_stream=0x1d48520, id=0x1d45540, in=0x7ffd383efcd0, out=0x7ffd48361bb8) at audio.c:396
#15 0x00007ffd645c5c9d in Send (p_stream=0x1d48520, id=0x1d45540, p_buffer=<value optimized out>) at transcode.c:688
#16 0x00007ffd62d8ffd1 in sout_StreamIdSend (p_stream=<value optimized out>, id=0x1cf2e50, p_buffer=<value optimized out>) at ../../include/vlc_sout.h:239
#17 Send (p_stream=<value optimized out>, id=0x1cf2e50, p_buffer=<value optimized out>) at duplicate.c:295
#18 0x00007ffd8241c322 in sout_InputSendBuffer (p_input=0x2d50120, p_buffer=0x7ffd383efcd0) at stream_output/stream_output.c:283
#19 0x00007ffd823b5eac in DecoderPlaySout (p_dec=0x7ffd3801bad0, p_block=<value optimized out>) at input/decoder.c:1660
#20 DecoderProcessSout (p_dec=0x7ffd3801bad0, p_block=<value optimized out>) at input/decoder.c:1784
#21 DecoderProcess (p_dec=0x7ffd3801bad0, p_block=<value optimized out>) at input/decoder.c:1984
#22 0x00007ffd823b68ab in DecoderThread (p_this=0x7ffd3801bad0) at input/decoder.c:892
#23 0x00007ffd82402924 in thread_entry (data=<value optimized out>) at misc/threads.c:58
#24 0x00007ffd7ebad853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#25 0x00007ffd8e1a2d8c in start_thread (arg=0x7ffd48362700) at pthread_create.c:304
#26 0x00007ffd90c8e04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#27 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7ffd3fff6700 (LWP 3911)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffd823fa346 in block_FifoGet (p_fifo=0x7ffd45247400) at misc/block.c:625
#2  0x00007ffd823b6855 in DecoderThread (p_this=0x7ffd45297620) at input/decoder.c:879
#3  0x00007ffd82402924 in thread_entry (data=<value optimized out>) at misc/threads.c:58
#4  0x00007ffd7ebad853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#5  0x00007ffd8e1a2d8c in start_thread (arg=0x7ffd3fff6700) at pthread_create.c:304
#6  0x00007ffd90c8e04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ffd48463700 (LWP 3912)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:140
#1  0x00007ffd8ea2e950 in pa_threaded_mainloop_wait () from /usr/lib/libpulse.so.0
#2  0x00007ffd6e248dd4 in stream_wait (obj=0x150d250) at pulse.c:159
#3  Open (obj=0x150d250) at pulse.c:453
#4  0x00007ffd823fd6b5 in module_need (p_this=<value optimized out>, psz_capability=0x7ffd82435a96 "audio output", psz_name=<value optimized out>, b_strict=false) at modules/modules.c:559
#5  0x00007ffd823ebbc8 in aout_OutputNew (p_aout=0x150d250, p_format=0x7ffd484629f0) at audio_output/output.c:57
#6  0x00007ffd823e74d9 in DecNew (p_this=<value optimized out>, pp_aout=<value optimized out>, p_format=0x7ffd484629f0, p_replay_gain=<value optimized out>, p_request_video=0x7ffd48462a20) at audio_output/dec.c:121
#7  __aout_DecNew (p_this=<value optimized out>, pp_aout=<value optimized out>, p_format=0x7ffd484629f0, p_replay_gain=<value optimized out>, p_request_video=0x7ffd48462a20) at audio_output/dec.c:189
#8  0x00007ffd823b4b9f in aout_new_buffer (p_dec=0x2977e60, i_samples=1024) at input/decoder.c:2225
#9  0x00007ffd54020323 in DecodeBlock (p_dec=0x2977e60, pp_block=<value optimized out>) at faad.c:423
#10 0x00007ffd823b58df in DecoderDecodeAudio (p_dec=0x2977e60, p_block=0x7ffd38019cc0) at input/decoder.c:1237
#11 0x00007ffd823b6598 in DecoderProcessAudio (p_dec=0x2977e60, p_block=<value optimized out>) at input/decoder.c:1867
#12 DecoderProcess (p_dec=0x2977e60, p_block=<value optimized out>) at input/decoder.c:2003
#13 0x00007ffd823b68ab in DecoderThread (p_this=0x2977e60) at input/decoder.c:892
#14 0x00007ffd82402924 in thread_entry (data=<value optimized out>) at misc/threads.c:58
#15 0x00007ffd7ebad853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#16 0x00007ffd8e1a2d8c in start_thread (arg=0x7ffd48463700) at pthread_create.c:304
#17 0x00007ffd90c8e04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#18 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ffd3feed700 (LWP 3913)):
#0  0x00007ffd90c80f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffd8ea2e32f in ?? () from /usr/lib/libpulse.so.0
#2  0x00007ffd8ea20116 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
#3  0x00007ffd8ea20749 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#4  0x00007ffd8ea20800 in pa_mainloop_run () from /usr/lib/libpulse.so.0
#5  0x00007ffd8ea2e2df in ?? () from /usr/lib/libpulse.so.0
#6  0x00007ffd8a798a88 in ?? () from /usr/lib/libpulsecommon-0.9.22.so
#7  0x00007ffd7ebad853 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#8  0x00007ffd8e1a2d8c in start_thread (arg=0x7ffd3feed700) at pthread_create.c:304
#9  0x00007ffd90c8e04d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffd93f61780 (LWP 3894)):
#0  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007ffd90c2680f in _L_lock_12013 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007ffd90c248d8 in __libc_free (mem=0x7ffd38000020) at malloc.c:3736
#3  0x00007ffd7e90d8eb in ?? () from /usr/lib/nvidia-current/tls/libnvidia-tls.so.270.41.06
#4  0x00007ffd924a29a9 in QTextEngine::LayoutData::~LayoutData (this=0x7ffd383eff20, __in_chrg=<value optimized out>) at text/qtextengine.cpp:2119
#5  0x00007ffd924aa951 in QTextEngine::freeMemory (this=0x1600800) at text/qtextengine.cpp:2194
#6  0x00007ffd924b3dee in QTextLayout::draw (this=0x2e770e0, p=0x7fffde58ae00, pos=<value optimized out>, selections=..., clip=...) at text/qtextlayout.cpp:1289
#7  0x00007ffd924eadb8 in QTextDocumentLayoutPrivate::drawBlock (this=0x15929c0, offset=..., painter=0x7fffde58ae00, context=..., bl=..., inRootFrame=<value optimized out>) at text/qtextdocumentlayout.cpp:1318
#8  0x00007ffd924ed34a in QTextDocumentLayoutPrivate::drawFlow (this=0x15929c0, offset=..., painter=0x7fffde58ae00, context=..., it=..., floats=..., cursorBlockNeedingRepaint=0x7fffde5895c0) at text/qtextdocumentlayout.cpp:1216
#9  0x00007ffd924eeeb6 in QTextDocumentLayoutPrivate::drawFrame (this=0x15929c0, offset=<value optimized out>, painter=0x7fffde58ae00, context=..., frame=<value optimized out>) at text/qtextdocumentlayout.cpp:1067
#10 0x00007ffd924f7866 in QTextDocumentLayout::draw (this=<value optimized out>, painter=0x7fffde58ae00, context=...) at text/qtextdocumentlayout.cpp:2799
#11 0x00007ffd9249ee60 in QTextControl::drawContents (this=0x1c22fc0, p=0x7fffde58ae00, rect=..., widget=0x0) at text/qtextcontrol.cpp:2926
#12 0x00007ffd9281cc73 in QGraphicsTextItem::paint (this=0x1c42270, painter=0x7fffde58ae00, option=0x1c419e8, widget=<value optimized out>) at graphicsview/qgraphicsitem.cpp:10053
#13 0x00007ffd9285a16b in QGraphicsScenePrivate::draw (this=0x1c417c0, item=0x1c42280, painter=0x7fffde58ae00, viewTransform=0x0, transformPtr=0x1c42350, exposedRegion=0x1c26a80, widget=0x1c40390, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=true, drawItem=true) at graphicsview/qgraphicsscene.cpp:4960
#14 0x00007ffd9285ac55 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x1c417c0, item=0x1c42280, painter=0x7fffde58ae00, viewTransform=0x0, exposedRegion=0x1c26a80, widget=0x1c40390, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#15 0x00007ffd92859e20 in QGraphicsScenePrivate::draw (this=0x1c417c0, item=0x1592960, painter=0x7fffde58ae00, viewTransform=0x0, transformPtr=0x1c411f0, exposedRegion=0x1c26a80, widget=0x1c40390, opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=true, drawItem=true) at graphicsview/qgraphicsscene.cpp:4979
#16 0x00007ffd9285ac55 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x1c417c0, item=0x1592960, painter=0x7fffde58ae00, viewTransform=0x0, exposedRegion=0x1c26a80, widget=0x1c40390, parentOpacity=<value optimized out>, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4853
#17 0x00007ffd9285b484 in QGraphicsScenePrivate::drawItems (this=0x1c417c0, painter=0x7fffde58ae00, viewTransform=0x0, exposedRegion=0x1c26a80, widget=0x1c40390) at graphicsview/qgraphicsscene.cpp:4735
#18 0x00007ffd928782c2 in QGraphicsView::paintEvent (this=<value optimized out>, event=<value optimized out>) at graphicsview/qgraphicsview.cpp:3469
#19 0x00007ffd922a4c7a in QWidget::event (this=0x1c23ca0, event=0x7fffde58b720) at kernel/qwidget.cpp:8405
#20 0x00007ffd92657156 in QFrame::event (this=0x1c23ca0, e=0x7fffde58b720) at widgets/qframe.cpp:557
#21 0x00007ffd9287957b in QGraphicsView::viewportEvent (this=0x1c23ca0, event=0x7fffde58b720) at graphicsview/qgraphicsview.cpp:2864
#22 0x00007ffd91622627 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x1c40390, event=0x7fffde58b720) at kernel/qcoreapplication.cpp:846
#23 0x00007ffd922539c1 in QApplicationPrivate::notify_helper (this=0x14264c0, receiver=0x1c40390, e=0x7fffde58b720) at kernel/qapplication.cpp:4458
#24 0x00007ffd922583ba in QApplication::notify (this=<value optimized out>, receiver=0x1c40390, e=0x7fffde58b720) at kernel/qapplication.cpp:4341
#25 0x00007ffd934be796 in KApplication::notify (this=0x7fffde58e050, receiver=0x1c40390, event=0x7fffde58b720) at ../../kdeui/kernel/kapplication.cpp:311
#26 0x00007ffd9162249c in QCoreApplication::notifyInternal (this=0x7fffde58e050, receiver=0x1c40390, event=0x7fffde58b720) at kernel/qcoreapplication.cpp:731
#27 0x00007ffd922a1acd in sendSpontaneousEvent (this=0x1c40cd0, pdev=0x1c7d158, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c87990) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#28 QWidgetPrivate::drawWidget (this=0x1c40cd0, pdev=0x1c7d158, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5492
#29 0x00007ffd922a26e2 in QWidgetPrivate::paintSiblingsRecursive (this=0x1c265f0, pdev=0x1c7d158, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5699
#30 0x00007ffd922a259a in QWidgetPrivate::paintSiblingsRecursive (this=0x1c265f0, pdev=0x1c7d158, siblings=..., index=0, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5686
#31 0x00007ffd922a259a in QWidgetPrivate::paintSiblingsRecursive (this=0x1c265f0, pdev=0x1c7d158, siblings=..., index=1, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5686
#32 0x00007ffd922a259a in QWidgetPrivate::paintSiblingsRecursive (this=0x1c265f0, pdev=0x1c7d158, siblings=..., index=2, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5686
#33 0x00007ffd922a259a in QWidgetPrivate::paintSiblingsRecursive (this=0x1c265f0, pdev=0x1c7d158, siblings=..., index=3, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5686
#34 0x00007ffd922a180c in QWidgetPrivate::drawWidget (this=0x1c265f0, pdev=0x1c7d158, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5545
#35 0x00007ffd922a26e2 in QWidgetPrivate::paintSiblingsRecursive (this=0x1640f10, pdev=0x1c7d158, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5699
#36 0x00007ffd922a180c in QWidgetPrivate::drawWidget (this=0x1640f10, pdev=0x1c7d158, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5545
#37 0x00007ffd922a26e2 in QWidgetPrivate::paintSiblingsRecursive (this=0x1608190, pdev=0x1c7d158, siblings=..., index=<value optimized out>, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5699
#38 0x00007ffd922a259a in QWidgetPrivate::paintSiblingsRecursive (this=0x1608190, pdev=0x1c7d158, siblings=..., index=6, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5686
#39 0x00007ffd922a259a in QWidgetPrivate::paintSiblingsRecursive (this=0x1608190, pdev=0x1c7d158, siblings=..., index=14, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5686
#40 0x00007ffd922a259a in QWidgetPrivate::paintSiblingsRecursive (this=0x1608190, pdev=0x1c7d158, siblings=..., index=19, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5686
#41 0x00007ffd922a180c in QWidgetPrivate::drawWidget (this=0x1608190, pdev=0x1c7d158, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x1c87990) at kernel/qwidget.cpp:5545
#42 0x00007ffd924689eb in QWidgetBackingStore::sync (this=0x1c87990) at painting/qbackingstore.cpp:1333
#43 0x00007ffd92468d39 in QWidgetBackingStore::sync (this=0x1c87990, exposedWidget=0x1c7c0f0, exposedRegion=...) at painting/qbackingstore.cpp:1130
#44 0x00007ffd922d3e92 in QETWidget::translatePaintEvent (this=0x1c7c0f0, event=<value optimized out>) at kernel/qapplication_x11.cpp:5457
#45 0x00007ffd922d4edb in QApplication::x11ProcessEvent (this=0x7fffde58e050, event=0x7fffde58dd10) at kernel/qapplication_x11.cpp:3580
#46 0x00007ffd922fd842 in x11EventSourceDispatch (s=0x141fb90, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#47 0x00007ffd8dcd6bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007ffd8dcd73a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007ffd8dcd7639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007ffd9164d3ef in QEventDispatcherGlib::processEvents (this=0x13d8cf0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#51 0x00007ffd922fd4de in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#52 0x00007ffd91621882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#53 0x00007ffd91621abc in QEventLoop::exec (this=0x7fffde58e010, flags=...) at kernel/qeventloop.cpp:201
#54 0x00007ffd91625ecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#55 0x0000000000428cac in main (argc=<value optimized out>, argv=0x7fffde58e3a8) at ../../../../dragonplayer/src/app/main.cpp:57

Possible duplicates by query: bug 278756, bug 278689, bug 277371, bug 277138, bug 275788.

Reported using DrKonqi
Comment 1 Aakash 2011-11-23 02:52:05 UTC 
The problem seems to have been caused by libvlc, which is an upstream bug. Please mark it as upstream bug.
Comment 2 Myriam Schweingruber 2011-11-23 13:30:55 UTC 

*** This bug has been marked as a duplicate of bug 261684 ***