Description of problem: Plasma panel becomes frozen. Nothing can be clicked. The clock stops Version-Release number of selected component (if applicable): plasma-desktop-5.3.1-6.fc22.x86_64 How reproducible: So far it has happened once to three of my users, last night. Steps to Reproduce: 1. Unlock screen in morning 2. 3. Actual results: Observe panel clock has stopped. Unable to do anything with panel Expected results: Clock displays correct time. Normal panel operations are possible. Additional info:
Most common cause is dri/xcb deadlocks, see also bug #1193742 and please test, https://admin.fedoraproject.org/updates/FEDORA-2015-10920 *** This bug has been marked as a duplicate of bug 1193742 ***