Hmmmm.... trying to make sense of it...
There's hardly any code from gnome-terminal itself in the stack trace,
most of them is from GTK.
#10 is from update_color_scheme():
if (gdk_rgba_hash (&priv->bg_color) != gdk_rgba_hash (&bg))
{
priv->bg_color = bg;
g_object_notify (G_OBJECT (screen), "bg-color"); <---- this line
}
#0 gtk_widget_queue_draw() is called by #1 g_closure_invoke(), so the
former is called as a callback registered earlier. The only place where
this method can be registered as a callback is in
terminal_screen_container_constructed():
g_signal_connect_swapped (priv->screen, "notify::bg-color",
G_CALLBACK (gtk_widget_queue_draw),
priv->vscrollbar);
and it's indeed about the same "bg-color" signal, so I'm quite sure this
is where we are.
Now, this is not part of upstream gnome-terminal. It's added by Ubuntu's
"scrollbar-background-theming.patch", as per lp:1493964, which tries to
theme the scrollbar to match the terminal screen's main background
color.
I suspect that toggling the scrollbar's visibility might eliminate this
bug for you. Also, if you're familiar with recompiling Ubuntu packages
with tiny modifications, I'm fairly confident that dropping this patch
should fix the problem. Installed packages, modules, settings, whatnot
related to GTK scrollbars (e.g. choosing whether to use an overlay or
traditional one, etc.) might easily be relevant to whether this bug
occurs.
I'm not an Ubuntu developer, and I'm not affiliated with Ubuntu or
Launchpad. I'm a GNOME Terminal developer. At this point, I suspect with
99%+ certainity that upstream GNOME Terminal is not affected by the bug,
it's introduced by Ubuntu (or maybe Debian). Therefore I'm sorry but I'm
afraid I won't be able to help any further, the investigation and fixing
should be continued by Ubuntu devs.
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https://bugs.launchpad.net/bugs/2049923
Title:
gnome-terminal freezing, then crashing
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