#0  0x00007f55cb5ee5ea in compiz::composite::buffertracking::AgeingDamageBuffers::incrementAges (this=0x217ca30) at /build/buildd/compiz-0.9.12+14.10.20140812/plugins/composite/src/backbuffertracking/src/backbuffertracking.cpp:170
  [Error: /build/buildd/compiz-0.9.12+14.10.20140812/plugins/composite/src/backbuffertracking/src/backbuffertracking.cpp was not found in source tree]
#1  0x00007f55cb5e661c in CompositeScreen::handlePaintTimeout (this=0x2109ec0) at /build/buildd/compiz-0.9.12+14.10.20140812/plugins/composite/src/screen.cpp:989
  [Error: /build/buildd/compiz-0.9.12+14.10.20140812/plugins/composite/src/screen.cpp was not found in source tree]
#2  0x00007f55d72def7d in operator() (this=<optimized out>) at /usr/include/boost/function/function_template.hpp:767
  [Error: /usr/include/boost/function/function_template.hpp was not found in source tree]
#3  CompTimer::triggerCallback (this=this@entry=0x217c9c8) at /build/buildd/compiz-0.9.12+14.10.20140812/src/timer/src/timer.cpp:227
  [Error: /build/buildd/compiz-0.9.12+14.10.20140812/src/timer/src/timer.cpp was not found in source tree]
#4  0x00007f55d72df02f in CompTimeoutSource::callback (this=<optimized out>) at /build/buildd/compiz-0.9.12+14.10.20140812/src/timer/src/timer.cpp:150
  [Error: /build/buildd/compiz-0.9.12+14.10.20140812/src/timer/src/timer.cpp was not found in source tree]
#5  0x00007f55d72de57d in operator() (this=<optimized out>) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:440
  [Error: /usr/include/sigc++-2.0/sigc++/functors/slot.h was not found in source tree]
#6  CompTimeoutSource::dispatch (this=<optimized out>, slot=<optimized out>) at /build/buildd/compiz-0.9.12+14.10.20140812/src/timer/src/timer.cpp:133
  [Error: /build/buildd/compiz-0.9.12+14.10.20140812/src/timer/src/timer.cpp was not found in source tree]
#7  0x00007f55d579935f in Glib::Source::dispatch_vfunc (callback=<optimized out>, user_data=<optimized out>) at main.cc:1043
  [Error: main.cc was not found in source tree]
#8  0x00007f55d5488d3d in g_main_context_iterate (context=0x217d170, block=-1, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.41.3/./glib/gmain.c:3671
  [Error: /build/buildd/glib2.0-2.41.3/./glib/gmain.c was not found in source tree]
#9  0x00007fff2fc57498 in ?? ()
#10 0x00000000021654b0 in ?? ()
#11 0x00007f55d57992e0 in ?? () at main.cc:113 from /tmp/apport_sandbox_mJqVQe/usr/lib/x86_64-linux-gnu/libglibmm-2.4.so.1
#12 0x000000007fffffff in ?? ()
#13 0x00000000020f9ef0 in ?? ()
#14 0x0000000000000001 in ?? ()
#15 0x00000000029133c0 in ?? ()
#16 0x000000000000000b in ?? ()
#17 0x00007f55d54980f0 in g_pattern_spec_free (pspec=0x217d170) at /build/buildd/glib2.0-2.41.3/./glib/gpattern.c:365
  [Error: /build/buildd/glib2.0-2.41.3/./glib/gpattern.c was not found in source tree]
#18 0x0000000000000006 in ?? ()
#19 0x00007f55d54890d8 in g_main_loop_ref (loop=0x217d170) at /build/buildd/glib2.0-2.41.3/./glib/gmain.c:3848
  [Error: /build/buildd/glib2.0-2.41.3/./glib/gmain.c was not found in source tree]
#20 0x00000000020f9fec in ?? ()
#21 0x00000001020f7d20 in ?? ()
#22 0x00007fff2fc57570 in ?? ()
#23 0x0000000b7fffffff in ?? ()
#24 0x0000000002175cd0 in ?? ()
#25 0x00000000020f9fe0 in ?? ()
#26 0x00000000020f9fec in ?? ()
#27 0x00000000020f7d20 in ?? ()
#28 0x00007fff2fc57570 in ?? ()
#29 0x00000000020fb500 in ?? ()
#30 0x0000000000000000 in ?? ()