This bug was fixed in the package thumbnailer -
1.2+14.10.20140901.is.1.2+14.10.20140814-0ubuntu2
---------------
thumbnailer (1.2+14.10.20140901.is.1.2+14.10.20140814-0ubuntu2) utopic;
urgency=medium
* Reintroduce the pthread linkage fix from 1.2+14.10.20140827.1-0ubuntu1,
required for the package to build.
-- Steve Langasek <steve.langa...@ubuntu.com> Tue, 02 Sep 2014 13:26:28 -0700
** Changed in: thumbnailer (Ubuntu)
Status: New => Fix Released
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Touch seeded packages, which is subscribed to thumbnailer in Ubuntu.
https://bugs.launchpad.net/bugs/1363314
Title:
App fails to launch on up-to-date utopic desktop
Status in Dropping Letters:
Confirmed
Status in Music application for Ubuntu devices:
Confirmed
Status in Thumbnail generator for all kinds of files:
New
Status in Clock application for Ubuntu devices:
Confirmed
Status in “thumbnailer” package in Ubuntu:
Fix Released
Bug description:
Seems for a few days some of the core apps which use qtmultimedia now
fail to start on the desktop with output like this:-
⟫ qmlscene music-app.qml
unity::action::ActionManager::ActionManager(QObject*):
Could not determine application identifier. HUD will not work
properly.
Provide your application identifier in $APP_ID environment variable.
(qmlscene:25234): GLib-GObject-WARNING **: cannot register existing
type 'GstFormat'
(qmlscene:25234): GLib-CRITICAL **: g_once_init_leave: assertion
'result != 0' failed
(qmlscene:25234): GLib-GObject-WARNING **: cannot retrieve class for
invalid (unclassed) type '<invalid>'
(qmlscene:25234): GLib-GObject-WARNING **: cannot register existing
type 'GstQuery'
(qmlscene:25234): GLib-CRITICAL **: g_once_init_leave: assertion
'result != 0' failed
(qmlscene:25234): GLib-GObject-WARNING **: cannot retrieve class for
invalid (unclassed) type '<invalid>'
(qmlscene:25234): GLib-GObject-WARNING **: cannot register existing
type 'GstObject'
(qmlscene:25234): GLib-CRITICAL **: g_once_init_leave: assertion
'result != 0' failed
(qmlscene:25234): GLib-GObject-WARNING **: cannot retrieve class for
invalid (unclassed) type '<invalid>'
Attached is the strace output as foo.txt
A simple sample app which reproduces the issue can be seen at
https://code.launchpad.net/~andrew-hayzen/+junk/test-mediaplayer-app
Also affected include core apps which use Audio {} such as Clock and
Dropping Letters.
To manage notifications about this bug go to:
https://bugs.launchpad.net/dropping-letters/+bug/1363314/+subscriptions
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