This bug was fixed in the package gnome-control-center -
1:3.28.2-0ubuntu0.18.04.2
---------------
gnome-control-center (1:3.28.2-0ubuntu0.18.04.2) bionic; urgency=medium
* debian/patches/70_allow_sound_above_100.patch:
- Fix crash when settings changed after panel closed (LP: #1779051)
-- Robert Ancell <robert.anc...@canonical.com> Wed, 08 Aug 2018
11:48:27 +1200
** Changed in: gnome-control-center (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1779051
Title:
/usr/bin/gnome-control-
center:11:gtk_container_remove:update_output_settings:on_amplify_changed:g_closure_invoke:signal_emit_unlocked_R
Status in gnome-control-center package in Ubuntu:
Fix Released
Status in gnome-control-center source package in Bionic:
Fix Released
Status in gnome-control-center source package in Cosmic:
Fix Released
Bug description:
[Impact]
The sound panel doesn't deregister a gsettings handle correctly, that may
cause crashes:
https://errors.ubuntu.com/problem/f7f4e5f488353a7c6ea085de8a987eecf3c1870e
[Test Case]
1. Open gnome-control-center
2. Select sound settings
3. Select another panel
4. Using dconf-editor toggle com.ubuntu.sound allow-amplified-volume
Expected result:
Nothing happens
Observed result:
Errors shown on command line each time value is toggled OR
gnome-control-center crashes.
[Regresion Potential]
Low, we are now cleaning up a reference that was missed.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1779051/+subscriptions
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