Confirmed the suspicions and filed a bug upstream: https://bugreports .qt-project.org/browse/QTBUG-37677
I could emulate the rendering block by SIGSTOP'ing Xvfb to which qmlscene was rendering, see bug for details. ** Changed in: music-app Assignee: rosa maria (rprosamaria383) => (unassigned) ** Changed in: unity-mir Assignee: rosa maria (rprosamaria383) => (unassigned) ** Changed in: qtdeclarative-opensource-src (Ubuntu) Assignee: rosa maria (rprosamaria383) => (unassigned) ** Changed in: qtdeclarative-opensource-src (Ubuntu) Assignee: (unassigned) => Michał Sawicz (saviq) ** Changed in: unity-mir Status: Incomplete => Invalid ** Changed in: music-app Status: Triaged => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1292306 Title: Upon upgrading to Qt5.2 the music app no longer plays the next song if the screen is off To manage notifications about this bug go to: https://bugs.launchpad.net/music-app/+bug/1292306/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs