$ gdb vlc
GNU gdb 6.6.90.20070912-debian
Copyright (C) 2007 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu"...
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Using host libthread_db library "/lib/libthread_db.so.1".
(gdb) start
Function "main" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (main) pending.
Starting program: /usr/bin/vlc
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[Thread debugging using libthread_db enabled]
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VLC media player 0.8.6c Janus
[New Thread 0x2ab7bdfc9ae0 (LWP 9403)]
[New Thread 0x40800950 (LWP 9479)]
[New Thread 0x41001950 (LWP 9480)]
[New Thread 0x41802950 (LWP 9488)]
[New Thread 0x42003950 (LWP 9489)]
[New Thread 0x42804950 (LWP 9547)]
[New Thread 0x43005950 (LWP 11052)]
[New Thread 0x43806950 (LWP 11295)]
[New Thread 0x44007950 (LWP 11296)]
[New Thread 0x44808950 (LWP 11393)]
[00000348] main private error: option glx-shm does not exist
[New Thread 0x45009950 (LWP 11420)]
libGL error: drmGetMagic failed
libGL error: reverting to (slow) indirect rendering
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 143 (GLX)
Minor opcode of failed request: 5 (X_GLXMakeCurrent)
Serial number of failed request: 56
Current serial number in output stream: 56
pure virtual method called
terminate called without an active exception
Program received signal SIGABRT, Aborted.
[Switching to Thread 0x2ab7bdfc9ae0 (LWP 9403)]
0x00000033f4632025 in raise () from /lib/libc.so.6
(gdb) backtrace
#0 0x00000033f4632025 in raise () from /lib/libc.so.6
#1 0x00000033f4633a80 in abort () from /lib/libc.so.6
#2 0x00000033f78c72e4 in __gnu_cxx::__verbose_terminate_handler () from /usr/lib/libstdc++.so.6
#3 0x00000033f78c56f6 in ?? () from /usr/lib/libstdc++.so.6
#4 0x00000033f78c5723 in std::terminate () from /usr/lib/libstdc++.so.6
#5 0x00000033f78c5fcf in __cxa_pure_virtual () from /usr/lib/libstdc++.so.6
#6 0x0000003cc029fb67 in wxMBConv::cMB2WC () from /usr/lib/libwx_baseu-2.6.so.0
#7 0x0000003cc02a71aa in wxString::wxString () from /usr/lib/libwx_baseu-2.6.so.0
#8 0x00002aaaaaf6ea31 in wxvlc::InputManager::UpdateTime () from /usr/lib/vlc/gui/libwxwidgets_plugin.so
#9 0x00002aaaaaf6f6ca in wxvlc::InputManager::Update () from /usr/lib/vlc/gui/libwxwidgets_plugin.so
#10 0x00002aaaaaf69b6a in wxvlc::Timer::Notify () from /usr/lib/vlc/gui/libwxwidgets_plugin.so
#11 0x000000364c39add4 in ?? () from /usr/lib/libwx_gtk2u_core-2.6.so.0
#12 0x000000364903160b in ?? () from /usr/lib/libglib-2.0.so.0
#13 0x0000003649030eb4 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#14 0x000000364903419d in ?? () from /usr/lib/libglib-2.0.so.0
#15 0x0000003649034497 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#16 0x000000364ad454b3 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#17 0x000000364c392361 in wxEventLoop::Run () from /usr/lib/libwx_gtk2u_core-2.6.so.0
#18 0x000000364c419a4b in wxAppBase::MainLoop () from /usr/lib/libwx_gtk2u_core-2.6.so.0
#19 0x0000003cc0289e4c in wxEntry () from /usr/lib/libwx_baseu-2.6.so.0
#20 0x00002aaaaaf4a20c in ?? () from /usr/lib/vlc/gui/libwxwidgets_plugin.so
#21 0x00000033f5629db8 in ?? () from /usr/lib/libvlc.so.0
#22 0x00000033f5629f6a in intf_RunThread () from /usr/lib/libvlc.so.0
#23 0x00000033f5627562 in ?? () from /usr/lib/libvlc.so.0
#24 0x0000000000400b90 in ?? ()
#25 0x00000033f461e1c4 in __libc_start_main () from /lib/libc.so.6
#26 0x0000000000400a39 in ?? ()
#27 0x00007fffecb0b088 in ?? ()
#28 0x0000000000000000 in ?? ()
(gdb) continue
Continuing.
[00000344] alsa audio output error: write failed (Διακοπείσα σωλήνωση)
Program terminated with signal SIGABRT, Aborted.
The program no longer exists.
(gdb) quit