(gdb) backtrace
#0  0x00007fe7a7cd0dc6 in gtk_tray_icon_manager_filter (xevent=0x7fff24c23940, event=<optimized out>,
    user_data=0x101ffb4a220) at /var/tmp/portage/x11-libs/gtk+-2.24.24/work/gtk+-2.24.24/gtk/gtktrayicon-x11.c:400
#1  0x00007fe7a77c605d in gdk_event_apply_filters (filters=0x0, event=<optimized out>, xevent=<optimized out>)
    at /var/tmp/portage/x11-libs/gtk+-2.24.24/work/gtk+-2.24.24/gdk/x11/gdkevents-x11.c:356
#2  gdk_event_translate (display=display@entry=0x101fe20a020, event=event@entry=0x10200619670,
    xevent=xevent@entry=0x7fff24c23940, return_exposes=return_exposes@entry=0)
    at /var/tmp/portage/x11-libs/gtk+-2.24.24/work/gtk+-2.24.24/gdk/x11/gdkevents-x11.c:946
#3  0x00007fe7a77c78c6 in _gdk_events_queue (display=display@entry=0x101fe20a020)
    at /var/tmp/portage/x11-libs/gtk+-2.24.24/work/gtk+-2.24.24/gdk/x11/gdkevents-x11.c:2336
#4  0x00007fe7a77c796e in gdk_event_dispatch (source=<optimized out>, callback=<optimized out>,
    user_data=<optimized out>)
    at /var/tmp/portage/x11-libs/gtk+-2.24.24/work/gtk+-2.24.24/gdk/x11/gdkevents-x11.c:2397
#5  0x00007fe7ae4b819c in g_main_dispatch (context=0x101fe1b7c00)
    at /var/tmp/portage/dev-libs/glib-2.40.0-r1/work/glib-2.40.0/glib/gmain.c:3064
#6  0x00007fe7ae4b8f05 in g_main_context_dispatch (context=0x101fe1b7c00)
    at /var/tmp/portage/dev-libs/glib-2.40.0-r1/work/glib-2.40.0/glib/gmain.c:3663
#7  0x00007fe7ae4b90f7 in g_main_context_iterate (context=0x101fe1b7c00, block=0, dispatch=1, self=0x101feb85900)
    at /var/tmp/portage/dev-libs/glib-2.40.0-r1/work/glib-2.40.0/glib/gmain.c:3734
#8  0x00007fe7ae4b91bb in g_main_context_iteration (context=0x101fe1b7c00, may_block=0)
    at /var/tmp/portage/dev-libs/glib-2.40.0-r1/work/glib-2.40.0/glib/gmain.c:3795
#9  0x00007fe7b000db9d in base::MessagePumpGlib::Run (this=0x101fe2c7080, delegate=<optimized out>)
    at ../../base/message_loop/message_pump_glib.cc:309
#10 0x00007fe7affec0bd in base::RunLoop::Run (this=this@entry=0x7fff24c23bf0) at ../../base/run_loop.cc:49
#11 0x00007fe7afcba34a in ChromeBrowserMainParts::MainMessageLoopRun (this=<optimized out>, result_code=0x101fe1e5d98)
    at ../../chrome/browser/chrome_browser_main.cc:1608
#12 0x00007fe7b1a274d4 in content::BrowserMainLoop::RunMainMessageLoopParts (this=0x101fe1e5d80)
    at ../../content/browser/browser_main_loop.cc:751
#13 0x00007fe7b1a29dbd in content::BrowserMainRunnerImpl::Run (this=0x101fe1bdc00)
    at ../../content/browser/browser_main_runner.cc:205
#14 0x00007fe7b1a23401 in content::BrowserMain (parameters=...) at ../../content/browser/browser_main.cc:26
#15 0x00007fe7aff87b9a in content::ContentMainRunnerImpl::Run (this=0x101fe1ba2d0)
    at ../../content/app/content_main_runner.cc:764
#16 0x00007fe7aff86271 in content::ContentMain (params=...) at ../../content/app/content_main.cc:19
#17 0x00007fe7afa14288 in ChromeMain (argc=8, argv=0x7fff24c23ea8) at ../../chrome/app/chrome_main.cc:57
#18 0x00007fe7a6598a65 in __libc_start_main () from /lib64/libc.so.6
#19 0x00007fe7afa1415e in _start ()