Ticket #8683: mythtv_backtrace.txt

File mythtv_backtrace.txt, 18.9 KB (added by Matthew Wire <devel@…>, 14 years ago)
Line 
1GNU gdb (GDB) 7.1-ubuntu
2Copyright (C) 2010 Free Software Foundation, Inc.
3License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
4This is free software: you are free to change and redistribute it.
5There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
6and "show warranty" for details.
7This GDB was configured as "x86_64-linux-gnu".
8For bug reporting instructions, please see:
9<http://www.gnu.org/software/gdb/bugs/>...
10Reading symbols from /usr/bin/mythfrontend.real...Reading symbols from /usr/lib/debug/usr/bin/mythfrontend.real...done.
11done.
12(gdb) run
13Starting program: /usr/bin/mythfrontend.real
14[Thread debugging using libthread_db enabled]
15Xlib:  extension "RANDR" missing on display ":0.0".
162010-07-22 22:57:16.969 mythfrontend version: trunk [25409] www.mythtv.org
172010-07-22 22:57:16.969 Using runtime prefix = /usr
182010-07-22 22:57:16.969 Using configuration directory = /home/user/.mythtv
192010-07-22 22:57:17.506 Empty LocalHostName.
202010-07-22 22:57:17.506 Using localhost value of ganymede
21[New Thread 0x7fffdd852710 (LWP 4716)]
22[New Thread 0x7fffdd051710 (LWP 4717)]
23[New Thread 0x7fffdc850710 (LWP 4718)]
242010-07-22 22:57:17.581 New DB connection, total: 1
252010-07-22 22:57:17.582 Unable to connect to database!
262010-07-22 22:57:17.582 Driver error was [1/2002]:
27QMYSQL: Unable to connect
28Database error was:
29Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)
30
31
322010-07-22 22:57:17.737 UPnPautoconf() - Found one UPnP backend
33[New Thread 0x7fffd779f710 (LWP 4719)]
34[Thread 0x7fffd779f710 (LWP 4719) exited]
352010-07-22 22:57:17.861 Testing network connectivity to '192.168.11.97'
362010-07-22 22:57:17.871 Closing DB connection named 'DBManager0'
372010-07-22 22:57:17.875 Connected to database 'mythconverg' at host: 192.168.11.97
382010-07-22 22:57:17.876 Closing DB connection named 'DBManager0'
392010-07-22 22:57:17.876 Current locale en_GB
402010-07-22 22:57:17.877 No locale defaults file for en_GB, skipping
412010-07-22 22:57:17.898 ScreenSaverX11Private: Gnome screen saver support enabled
422010-07-22 22:57:17.973 DPMS is disabled.
432010-07-22 22:57:17.977 Connected to database 'mythconverg' at host: 192.168.11.97
442010-07-22 22:57:18.029 Desktop video mode: 2560x1024 60.0204 Hz
452010-07-22 22:57:18.099 DisplaResX: Unable to XRRgetScreenInfo
462010-07-22 22:57:18.106 Enabled verbose msgs:  important general
472010-07-22 22:57:18.202 LIRC, Error: Failed to connect to Unix socket '/var/run/lirc/lircd'
48                        eno: No such file or directory (2)
492010-07-22 22:57:18.203 JoystickMenuThread: Joystick disabled - Failed to read /home/user/.mythtv/joystickmenurc
502010-07-22 22:57:18.357 Using Frameless Window
512010-07-22 22:57:18.357 Using Full Screen Window
52[New Thread 0x7fffd779f710 (LWP 4725)]
53[New Thread 0x7fffd69be710 (LWP 4726)]
542010-07-22 22:57:18.673 Using the Qt painter
552010-07-22 22:57:18.791 MythFontProperties, Warning: Attempting to define 'small'
56                        with face 'DejaVu Sans', but it already exists with face 'Arial'
57                        Location: /usr/share/mythtv/themes/MythCenter/base.xml @ 1006
58                        Name: 'small'   Type: 'fontdef'
592010-07-22 22:57:18.801 MythFontProperties, Error: Failed to load 'Thorndale', got 'DejaVu Sans' instead
60                        Location: /usr/share/mythtv/themes/MythCenter/base.xml @ 1012
61                        Name: 'medium'  Type: 'fontdef'
622010-07-22 22:57:18.818 MythFontProperties, Error: Failed to load 'Thorndale', got 'DejaVu Sans' instead
63                        Location: /usr/share/mythtv/themes/MythCenter/base.xml @ 1018
64                        Name: 'large'   Type: 'fontdef'
652010-07-22 22:57:18.838 MythFontProperties, Error: Failed to load 'Thorndale', got 'DejaVu Sans' instead
66                        Location: /usr/share/mythtv/themes/MythCenter/base.xml @ 1024
67                        Name: 'clock'   Type: 'fontdef'
682010-07-22 22:57:18.867 Current MythTV Schema Version (DBSchemaVer): 1260
692010-07-22 22:57:18.870 New DB connection, total: 2
702010-07-22 22:57:18.872 Connected to database 'mythconverg' at host: 192.168.11.97
712010-07-22 22:57:19.184 ThemeInfo, Warning: Unable to open themeinfo.xml for /usr/share/mythtv/themes/BlackCurves-OSD/themeinfo.xml
722010-07-22 22:57:19.185 ThemeInfo, Error: The theme (/usr/share/mythtv/themes/BlackCurves-OSD) is missing a themeinfo.xml file.
732010-07-22 22:57:19.201 ThemeInfo, Warning: Unable to open themeinfo.xml for /usr/share/mythtv/themes/Gray-OSD/themeinfo.xml
742010-07-22 22:57:19.201 ThemeInfo, Error: The theme (/usr/share/mythtv/themes/Gray-OSD) is missing a themeinfo.xml file.
752010-07-22 22:57:19.231 DisplaResX: Unable to XRRgetScreenInfo
762010-07-22 22:57:19.753 Registering Internal as a media playback plugin.
77[New Thread 0x7fffd49a9710 (LWP 4727)]
78[New Thread 0x7fffd41a8710 (LWP 4728)]
79[New Thread 0x7fffd3883710 (LWP 4741)]
80[Thread 0x7fffd3883710 (LWP 4741) exited]
812010-07-22 22:57:19.996 Registering WebBrowser as a media playback plugin.
822010-07-22 22:57:20.142 MediaMonitorUnix::AddDevice() - empty device path.
832010-07-22 22:57:20.143 MediaMonitorUnix::AddDevice() - empty device path.
842010-07-22 22:57:20.143 MediaMonitorUnix::AddDevice() - empty device path.
852010-07-22 22:57:20.145 MediaMonitorUnix::AddDevice() - empty device path.
862010-07-22 22:57:20.146 MediaMonitorUnix::AddDevice() - empty device path.
872010-07-22 22:57:20.146 MediaMonitorUnix::AddDevice() - empty device path.
882010-07-22 22:57:20.147 MediaMonitorUnix::AddDevice() - empty device path.
892010-07-22 22:57:20.147 MediaMonitorUnix::AddDevice() - empty device path.
902010-07-22 22:57:20.147 MediaMonitorUnix::AddDevice() - empty device path.
912010-07-22 22:57:20.147 MonitorRegisterExtensions(0x100, gif,jpg,png)
922010-07-22 22:57:20.509 Current MythMusic Schema Version (MusicDBSchemaVer): 1017
932010-07-22 22:57:20.647 MonitorRegisterExtensions(0x40, mp3,mp2,ogg,oga,flac,wma,wav,ac3,oma,omg,atp,ra,dts,aac,m4a,aa3,tta,mka,aiff,swa,wv)
942010-07-22 22:57:21.007 Current MythVideo Schema Version (mythvideo.DBSchemaVer): 1036
952010-07-22 22:57:21.331 Loading menu theme from /usr/share/mythtv/themes/defaultmenu//mainmenu.xml
962010-07-22 22:57:21.353 Found mainmenu.xml for theme 'MythCenter'
972010-07-22 22:57:21.608 MythCoreContext: Connecting to backend server: 192.168.11.97:6543 (try 1 of 1)
982010-07-22 22:57:21.609 Using protocol version 58
992010-07-22 22:57:21.719 SendReceiveStringList(QUERY_TIME_ZONE) called from UI thread
1002010-07-22 22:57:44.761 Loading menu theme from /usr/share/mythtv/themes/defaultmenu//library.xml
1012010-07-22 22:57:47.107 New DB connection, total: 3
1022010-07-22 22:57:47.110 Connected to database 'mythconverg' at host: 192.168.11.97
1032010-07-22 22:57:47.766 XMLParse: LoadTheme using '/usr/share/mythtv/themes/default/music-ui.xml'
1042010-07-22 22:57:49.818 CD status has changed.
1052010-07-22 22:58:03.681 AO: Resampling from 44 kHz to 48 kHz with quality medium
1062010-07-22 22:58:03.681 AO: Opening audio device 'PulseAudio:default' ch 2(2) sr 48000 sf 32 bit floating point reenc 0
107[Thread 0x7fffd49a9710 (LWP 4727) exited]
108[Thread 0x7fffd41a8710 (LWP 4728) exited]
109[New Thread 0x7fffd41a8710 (LWP 4769)]
110[New Thread 0x7fffd49a9710 (LWP 4770)]
111[New Thread 0x7fffd3883710 (LWP 4809)]
112[New Thread 0x7fffc70f9710 (LWP 4810)]
113[Thread 0x7fffd3883710 (LWP 4809) exited]
114[Thread 0x7fffc70f9710 (LWP 4810) exited]
115[New Thread 0x7fffc70f9710 (LWP 4811)]
116[Thread 0x7fffd41a8710 (LWP 4769) exited]
117[Thread 0x7fffc70f9710 (LWP 4811) exited]
118[New Thread 0x7fffc70f9710 (LWP 4840)]
119[Thread 0x7fffc70f9710 (LWP 4840) exited]
120[New Thread 0x7fffc70f9710 (LWP 4841)]
121[New Thread 0x7fffd41a8710 (LWP 4844)]
122
123Program received signal SIGSEGV, Segmentation fault.
1240x00007fffed5278dc in QMutex::lock() () from /usr/lib/libQtCore.so.4
125(gdb) set pagination off
126(gdb) the[Kread apply all bt
127
128Thread 18 (Thread 0x7fffd41a8710 (LWP 4844)):
129#0  0x00007ffff089dbc9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
130#1  0x00007fffed52c0e5 in ?? () from /usr/lib/libQtCore.so.4
131#2  0x00007fffed52c1b2 in QThread::usleep(unsigned long) () from /usr/lib/libQtCore.so.4
132#3  0x00007ffff4d1afdc in AudioOutputBase::OutputAudioLoop (this=0x2de2950) at audiooutputbase.cpp:1206
133#4  0x00007ffff4d1ba72 in AudioOutputBase::run (this=0x2de2950) at audiooutputbase.cpp:1313
134#5  0x00007fffed52c775 in ?? () from /usr/lib/libQtCore.so.4
135#6  0x00007ffff08989ca in start_thread () from /lib/libpthread.so.0
136#7  0x00007fffeca686fd in clone () from /lib/libc.so.6
137#8  0x0000000000000000 in ?? ()
138
139Thread 17 (Thread 0x7fffc70f9710 (LWP 4841)):
140#0  0x00007fffeca5bf83 in poll () from /lib/libc.so.6
141#1  0x00007ffff3b9e41f in ?? () from /usr/lib/libpulse.so.0
142#2  0x00007ffff3b8dd86 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
143#3  0x00007ffff3b8f809 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
144#4  0x00007ffff3b8f8c0 in pa_mainloop_run () from /usr/lib/libpulse.so.0
145#5  0x00007ffff3b9e21b in ?? () from /usr/lib/libpulse.so.0
146#6  0x00007fffebf410e8 in ?? () from /usr/lib/libpulsecommon-0.9.21.so
147#7  0x00007ffff08989ca in start_thread () from /lib/libpthread.so.0
148#8  0x00007fffeca686fd in clone () from /lib/libc.so.6
149#9  0x0000000000000000 in ?? ()
150
151Thread 12 (Thread 0x7fffd49a9710 (LWP 4770)):
152#0  0x00007fffeca60fe3 in select () from /lib/libc.so.6
153#1  0x00007ffff586509a in MythSocketThread::run (this=0x8748f0) at mythsocketthread.cpp:257
154#2  0x00007fffed52c775 in ?? () from /usr/lib/libQtCore.so.4
155#3  0x00007ffff08989ca in start_thread () from /lib/libpthread.so.0
156#4  0x00007fffeca686fd in clone () from /lib/libc.so.6
157#5  0x0000000000000000 in ?? ()
158
159Thread 7 (Thread 0x7fffd69be710 (LWP 4726)):
160#0  0x00007ffff089dbc9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
161#1  0x00007fffed52c0e5 in ?? () from /usr/lib/libQtCore.so.4
162#2  0x00007fffed52c1b2 in QThread::usleep(unsigned long) () from /usr/lib/libQtCore.so.4
163#3  0x00007ffff58a0609 in MythSignalingTimer::run (this=0xb4f660) at mythsignalingtimer.cpp:73
164#4  0x00007fffed52c775 in ?? () from /usr/lib/libQtCore.so.4
165#5  0x00007ffff08989ca in start_thread () from /lib/libpthread.so.0
166#6  0x00007fffeca686fd in clone () from /lib/libc.so.6
167#7  0x0000000000000000 in ?? ()
168
169Thread 6 (Thread 0x7fffd779f710 (LWP 4725)):
170#0  0x00007ffff089d85c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
171#1  0x00007fffed52d72b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
172#2  0x00007ffff58c3fb5 in MythCoreContext::waitPrivRequest (this=0xa645a0) at mythcorecontext.cpp:1067
173#3  0x000000000044364c in run_priv_thread (data=0x0) at main.cpp:963
174#4  0x00007ffff08989ca in start_thread () from /lib/libpthread.so.0
175#5  0x00007fffeca686fd in clone () from /lib/libc.so.6
176#6  0x0000000000000000 in ?? ()
177
178Thread 4 (Thread 0x7fffdc850710 (LWP 4718)):
179#0  0x00007fffeca60fe3 in select () from /lib/libc.so.6
180#1  0x00007ffff5b6fd30 in SSDP::run (this=0xa6c7a0) at ssdp.cpp:229
181#2  0x00007fffed52c775 in ?? () from /usr/lib/libQtCore.so.4
182#3  0x00007ffff08989ca in start_thread () from /lib/libpthread.so.0
183#4  0x00007fffeca686fd in clone () from /lib/libc.so.6
184#5  0x0000000000000000 in ?? ()
185
186Thread 3 (Thread 0x7fffdd051710 (LWP 4717)):
187#0  0x00007ffff089dbc9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
188#1  0x00007fffed52c0e5 in ?? () from /usr/lib/libQtCore.so.4
189#2  0x00007fffed52c250 in QThread::msleep(unsigned long) () from /usr/lib/libQtCore.so.4
190#3  0x00007ffff5b77190 in TaskQueue::run (this=0xa6b950) at taskqueue.cpp:126
191#4  0x00007fffed52c775 in ?? () from /usr/lib/libQtCore.so.4
192#5  0x00007ffff08989ca in start_thread () from /lib/libpthread.so.0
193#6  0x00007fffeca686fd in clone () from /lib/libc.so.6
194#7  0x0000000000000000 in ?? ()
195
196Thread 2 (Thread 0x7fffdd852710 (LWP 4716)):
197#0  0x00007fffeca5bf83 in poll () from /lib/libc.so.6
198#1  0x00007fffe8c0a4a9 in ?? () from /lib/libglib-2.0.so.0
199#2  0x00007fffe8c0a8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
200#3  0x00007fffed64a566 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
201#4  0x00007fffed61f992 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
202#5  0x00007fffed61fd6c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
203#6  0x00007fffed529d59 in QThread::exec() () from /usr/lib/libQtCore.so.4
204#7  0x00007ffff5b8668c in WorkerThread::run (this=0xa67e90) at threadpool.cpp:267
205#8  0x00007fffed52c775 in ?? () from /usr/lib/libQtCore.so.4
206#9  0x00007ffff08989ca in start_thread () from /lib/libpthread.so.0
207#10 0x00007fffeca686fd in clone () from /lib/libc.so.6
208#11 0x0000000000000000 in ?? ()
209
210Thread 1 (Thread 0x7ffff7eb27a0 (LWP 4712)):
211#0  0x00007fffed5278dc in QMutex::lock() () from /usr/lib/libQtCore.so.4
212#1  0x000000000047b8ca in QMutexLocker::relock (this=0x7fffffffb1e0) at /usr/include/qt4/QtCore/qmutex.h:120
213#2  0x000000000047b820 in QMutexLocker (this=0x7fffffffb1e0, m=0x2dc50b8) at /usr/include/qt4/QtCore/qmutex.h:102
214#3  0x00007ffff4da0381 in OutputListeners::prepareVisuals (this=0x2de2970) at output.cpp:80
215#4  0x00007ffff4d16b93 in AudioOutputBase::Reset (this=0x2de2950) at audiooutputbase.cpp:659
216#5  0x00007ffff4d16a72 in AudioOutputBase::PauseUntilBuffered (this=0x2de2950) at audiooutputbase.cpp:641
217#6  0x00007fffd209f2ae in CdDecoder::initialize (this=0x259a8d0) at cddecoder.cpp:92
218#7  0x00007fffd219d988 in MusicPlayer::play (this=0xbdb100) at musicplayer.cpp:304
219#8  0x00007fffd219d051 in MusicPlayer::playFile (this=0xbdb100, filename=...) at musicplayer.cpp:198
220#9  0x00007fffd20e3b9d in PlaybackBoxMusic::play (this=0x1e21370) at playbackbox.cpp:1338
221#10 0x00007fffd20dfc78 in PlaybackBoxMusic::handlePush (this=0x1e21370, buttonname=...) at playbackbox.cpp:586
222#11 0x00007fffd21b62ec in PlaybackBoxMusic::qt_metacall (this=0x1e21370, _c=QMetaObject::InvokeMetaMethod, _id=38, _a=0x7fffffffb6a0) at moc_playbackbox.cpp:188
223#12 0x00007fffed633e3f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
224#13 0x00007ffff4f264fd in UIPushButtonType::pushed (this=0x2db8fb0, _t1=...) at moc_uitypes.cpp:715
225#14 0x00007ffff4dcf984 in UIPushButtonType::push (this=0x2db8fb0) at uitypes.cpp:3540
226#15 0x00007fffd20e92c1 in PlaybackBoxMusic::handleTreeListSignals (this=0x1e21370, node_int=-1, attributes=0x25905c0) at playbackbox.cpp:2174
227#16 0x00007fffd21b6139 in PlaybackBoxMusic::qt_metacall (this=0x1e21370, _c=QMetaObject::InvokeMetaMethod, _id=20, _a=0x7fffffffb940) at moc_playbackbox.cpp:170
228#17 0x00007fffed633e3f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
229#18 0x00007ffff4f26216 in UIManagedTreeListType::nodeSelected (this=0x2dc2270, _t1=-1, _t2=0x25905c0) at moc_uitypes.cpp:625
230#19 0x00007ffff4dcc0c8 in UIManagedTreeListType::moveToNodesFirstChild (this=0x2dc2270, route_of_branches=...) at uitypes.cpp:2526
231#20 0x00007fffd20e1f91 in PlaybackBoxMusic::postUpdate (this=0x1e21370) at playbackbox.cpp:960
232#21 0x00007fffd20e2217 in PlaybackBoxMusic::occasionallyCheckCD (this=0x1e21370) at playbackbox.cpp:995
233#22 0x00007fffd21b6328 in PlaybackBoxMusic::qt_metacall (this=0x1e21370, _c=QMetaObject::InvokeMetaMethod, _id=39, _a=0x7fffffffbb20) at moc_playbackbox.cpp:189
234#23 0x00007fffed633e3f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
235#24 0x00007fffed630a63 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
236#25 0x00007fffede2222c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
237#26 0x00007fffede286fb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
238#27 0x00007fffed62106c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
239#28 0x00007fffed64dd42 in ?? () from /usr/lib/libQtCore.so.4
240#29 0x00007fffed64a848 in ?? () from /usr/lib/libQtCore.so.4
241#30 0x00007fffe8c068c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
242#31 0x00007fffe8c0a748 in ?? () from /lib/libglib-2.0.so.0
243#32 0x00007fffe8c0a8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
244#33 0x00007fffed64a513 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
245#34 0x00007fffeded246e in ?? () from /usr/lib/libQtGui.so.4
246#35 0x00007fffed61f992 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
247#36 0x00007fffed61fd6c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
248#37 0x00007ffff4d6557b in MythDialog::exec (this=0x1e21370) at mythdialogs.cpp:181
249#38 0x00007fffd20b8916 in startPlayback () at main.cpp:254
250#39 0x00007fffd20bca05 in runMusicPlayback () at main.cpp:610
251#40 0x00007ffff5430488 in MythMainWindow::ExitToMainMenu (this=0xb508e0) at mythmainwindow.cpp:1307
252#41 0x00007ffff54353fc in MythMainWindow::customEvent (this=0xb508e0, ce=0xb487c0) at mythmainwindow.cpp:1905
253#42 0x00007fffed630da4 in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
254#43 0x00007fffede77bdf in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
255#44 0x00007ffff5428423 in MythMainWindow::event (this=0xb508e0, e=0xb487c0) at mythmainwindow.cpp:822
256#45 0x00007fffede2222c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
257#46 0x00007fffede286fb in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
258#47 0x00007fffed62106c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
259#48 0x00007fffed6237e7 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
260#49 0x00007fffed64a9d3 in ?? () from /usr/lib/libQtCore.so.4
261#50 0x00007fffe8c068c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
262#51 0x00007fffe8c0a748 in ?? () from /lib/libglib-2.0.so.0
263#52 0x00007fffe8c0a8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
264#53 0x00007fffed64a513 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
265#54 0x00007fffeded246e in ?? () from /usr/lib/libQtGui.so.4
266#55 0x00007fffed61f992 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
267#56 0x00007fffed61fd6c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
268#57 0x00007fffed623aab in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
269#58 0x0000000000448f30 in main (argc=1, argv=0x7fffffffe398) at main.cpp:1472
270(gdb) help
271List of classes of commands:
272
273aliases -- Aliases of other commands
274breakpoints -- Making program stop at certain points
275data -- Examining data
276files -- Specifying and examining files
277internals -- Maintenance commands
278obscure -- Obscure features
279running -- Running the program
280stack -- Examining the stack
281status -- Status inquiries
282support -- Support facilities
283tracepoints -- Tracing of program execution without stopping the program
284user-defined -- User-defined commands
285
286Type "help" followed by a class name for a list of commands in that class.
287Type "help all" for the list of all commands.
288Type "help" followed by command name for full documentation.
289Type "apropos word" to search for commands related to "word".
290Command name abbreviations are allowed if unambiguous.
291(gdb) quit
292A debugging session is active.
293
294        Inferior 1 [process 4712] will be killed.
295
296Quit anyway? (y or n)