#0  g_source_unref (source=0xffffffffffffffff) at /build/buildd/glib2.0-2.28.3/./glib/gmain.c:1734
        __PRETTY_FUNCTION__ = "g_source_unref"
#1  0x000000000042cc38 in ~RefPtr (this=0x68cab0, __in_chrg=<value optimized out>) at /usr/include/glibmm-2.4/glibmm/refptr.h:207
No locals.
#2  PrivateScreen::~PrivateScreen (this=0x68cab0, __in_chrg=<value optimized out>) at /build/buildd/compiz-0.9.4/src/screen.cpp:4781
No locals.
#3  0x000000000042ceb9 in __exchange_and_add_single (this=0x68cab0, __in_chrg=<value optimized out>) at /usr/include/c++/4.5/ext/atomicity.h:65
        __result = <value optimized out>
#4  __exchange_and_add_dispatch (this=0x68cab0, __in_chrg=<value optimized out>) at /usr/include/c++/4.5/ext/atomicity.h:81
No locals.
#5  _M_dispose (this=0x68cab0, __in_chrg=<value optimized out>) at /usr/include/c++/4.5/bits/basic_string.h:235
No locals.
#6  ~basic_string (this=0x68cab0, __in_chrg=<value optimized out>) at /usr/include/c++/4.5/bits/basic_string.h:525
No locals.
#7  ~CompOutput (this=0x68cab0, __in_chrg=<value optimized out>) at /build/buildd/compiz-0.9.4/include/core/output.h:39
No locals.
#8  PrivateScreen::~PrivateScreen (this=0x68cab0, __in_chrg=<value optimized out>) at /build/buildd/compiz-0.9.4/src/screen.cpp:4781
No locals.
#9  0x0000000000422f68 in main (argc=<value optimized out>, argv=0x41f980) at /build/buildd/compiz-0.9.4/src/main.cpp:296
No locals.