quantal has seen the end of its life and is no longer receiving any
updates. Marking the quantal task for this ticket as "Won't Fix".
** Changed in: indicator-messages (Ubuntu Quantal)
Status: Fix Committed => Won't Fix
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https://bugs.launchpad.net/bugs/1065169
Title:
segfault when used in plugin load, unload, load cycle
Status in The Messaging Menu:
Fix Released
Status in indicator-messages package in Ubuntu:
Fix Released
Status in indicator-messages source package in Quantal:
Won't Fix
Bug description:
Impact:
libmessaging-menu using apps can segfault when unloading and reloading code
Test Case:
- download the file from comment #1
- gcc test-app.c -o test `pkg-config --cflags --libs messaging-menu`
- run ./test
with the fixed version it shouldn't segfault
Regression Potential:
Limited, check that the usecase is correctly supported
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I've been experimenting with adding messaging-menu support to an app through
a plugin, and I've noticed errors/crashing when recreating the MessagingMenuApp
object after having g_object_unref'd it, as in the situation where the user
unloads the plugin, then loads it again.
This is the error, which follows from pressing 'Plugin Load', 'Plugin
Unload', 'Plugin Load' in the test application:
** (test-app:3805): WARNING **: unable to export action group: An
object is already exported for the interface org.gtk.Actions at
/com/canonical/indicator/messages/test_app_desktop
(test-app:3805): GLib-GIO-CRITICAL **:
g_dbus_connection_register_object: assertion `error == NULL || *error
== NULL' failed
** (test-app:3805): WARNING **: unable to export menu: (null)
I would include a stack trace but it is not consistent, so I suspect
some sort of memory corruption (sometimes it doesn't crash at all,
just spins at 100% and brings down compiz). I'm going to take a look
at indicator-messages and see if I notice anything but I thought I'd
post the bug first, maybe someone could immediately tell what the
issue is, or suggest a fix in my code if I am not freeing the object
correctly before recreating it.
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