I speak in IRC with macslow and pitti and seb128 that was more or less
the last conclusion that I get after see stack_layout and dnd mode.
The bubble is not getting displayed by dnd (Dont disturb mode), in my
case, because dnd_has_one_fullscreen_window function is returning true,
but I don't have fullscreen windows (just a laptop with a external
screen plugged) and any screen is in full screen mode. It seems a
problem detecting the status from libwnck libraty:
gboolean
dnd_has_one_fullscreen_window (void)
{
gboolean result;
WnckScreen *screen = wnck_screen_get_default ();
wnck_screen_force_update (screen);
WnckWorkspace *workspace = wnck_screen_get_active_workspace (screen);
GList *list = wnck_screen_get_windows (screen);
GList *item = g_list_find_custom (list, workspace, (GCompareFunc)
is_fullscreen_cb);
result = item != NULL;
#ifdef HAVE_WNCK_SHUTDOWN
wnck_shutdown ();
#endif
return result;
}
The line result = item != NULL is getting a true value (1), but it
probably doesn't mean that it is a really fullscreen window value, maybe
needs more specific (I don't anything about how libwnck works, I am only
reading a bit today in spare time)
I mine the code with gwarning() calls (I also use gdb in the process)
and it seems that it gets a bubble id 0, then it gets to 1, and it crash
after dnd mode g_unref().
** (notify-osd:12603): WARNING **: Bubble id 0
** (notify-osd:12603): WARNING **: Stack push buble
** (notify-osd:12603): WARNING **: Bubble id: 0
** (notify-osd:12603): WARNING **: Bubble layout
** (notify-osd:12603): WARNING **: stack layout selecting bubble
** (notify-osd:12603): WARNING **: bubble: 0x80c42c0
** (notify-osd:12603): WARNING **: pre dnd mode
** (notify-osd:12603): WARNING **: dnd_is_online_presence_dnd: 0
** (notify-osd:12603): WARNING **: dnd_is_xscreensaver_active: 0
** (notify-osd:12603): WARNING **: dnd_is_screensaver_active: 0
** (notify-osd:12603): WARNING **: dnd_is_screensaver_inhibited: 0
** (notify-osd:12603): WARNING **: dnd_has_one_fullscreen_window: 1
** (notify-osd:12603): WARNING **: entering dnd
** (notify-osd:12603): WARNING **: bubble: 0x80c42c0
** (notify-osd:12603): WARNING **: Bubble id: 1
** (notify-osd:12603): WARNING **: Bubble id: 1
** (notify-osd:12603): WARNING **: stack layout selecting bubble
** (notify-osd:12603): WARNING **: bubble: (nil)
** (notify-osd:12603): WARNING **: Bubble dbus
CRASH
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https://bugs.launchpad.net/bugs/1189281
Title:
notify-osd sefaults in bubble_get_id() trying to access an unrefed
object
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