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bug#49441: xfce4-power-manager segfaults randomly
From: |
Michael Rohleder |
Subject: |
bug#49441: xfce4-power-manager segfaults randomly |
Date: |
Wed, 07 Jul 2021 07:46:41 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
Hello Nathan!
Thank you for the report and the backtrace!
Nathan Dehnel <ncdehnel@gmail.com> writes:
> Using v4.16.0. Attached is a backtrace. I have a coredump, but it's
> too large to attach to an email.
>
> #0 0x00007f995c4c75bc in gtk_widget_dispose ()
> from
> /gnu/store/nd2i0wfhx2wsdn3di573wl7kagg6pm9s-gtk+-3.24.24/lib/libgtk-3.so.0
> #1 0x00007f995baee8a3 in g_object_unref ()
> from
> /gnu/store/jsqxxnaj5p8a22mrsvl679gi7jl26z4j-glib-2.62.6/lib/libgobject-2.0.so.0
> #2 0x000000000041ea61 in battery_device_remove_pix ()
> #3 0x000000000041f37d in power_manager_button_update_device_icon_and_details
> ()
looks like it is crashing here:
(`guix build -S
xfce4-power-manager`/panel-plugins/power-manager-plugin/power-manager-button.c:607)
/* This function unrefs the pix and img from the battery device and
* disconnects the expose-event callback on the img.
*/
static void
battery_device_remove_pix (BatteryDevice *battery_device)
{
TRACE("entering");
if (battery_device == NULL)
return;
if (G_IS_OBJECT (battery_device->pix))
{
if (GTK_IS_WIDGET (battery_device->img))
{
if (battery_device->expose_signal_id != 0)
{
g_signal_handler_disconnect (battery_device->img,
battery_device->expose_signal_id);
battery_device->expose_signal_id = 0;
}
g_object_unref (battery_device->img);
battery_device->img = NULL;
}
g_object_unref (battery_device->pix);
battery_device->pix = NULL;
}
}
I wonder how that can happen and so far I was not able to reproduce
this.
Do you get something on the console/stdout if you start
xfce4-power-manager on the console?
If that happens only sometimes: Maybe is it after you change something
at runtime, maybe changeing a battery or so?
--
You are not supposed to start Emacs more than once in a lifetime, so
the startup time shouldn't matter at all.
Eli Zaretskii in help-gnu-emacs
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