https://bugs.kde.org/show_bug.cgi?id=361211
--- Comment #5 from PGillespie <vtp...@myfairpoint.net> --- As of 16.04's release, the bug hasn't been as drastic. That is, there appear to have been some improvement since BETA. The problem persists however, usually occurring after suspend. There are occasional hick-ups when Plasma locks up and compositing is restarted. Also, this is a problem on both my systems -- instability in plasmashell and compositing. Prior to 16.04, neither of my system experienced these instabilities. Kernel: 4.4.0-21-generic x86_64 (64 bit) Desktop: KDE Plasma 5.5.5 Distro: Ubuntu 16.04 xenial Machine: System: LENOVO (portable) product: 20428 v: Lenovo Yoga 2 11 Mobo: LENOVO model: VIUU4 v: 31900058WIN Bios: LENOVO v: AACN21WW date: 01/30/2015 CPU: Dual core Intel Core i3-4012Y (-HT-MCP-) cache: 3072 KB clock speeds: max: 1500 MHz 1: 1500 MHz 2: 1500 MHz 3: 1500 MHz 4: 1500 MHz Graphics: Card: Intel Device 0a1e Display Server: X.Org 1.18.3 drivers: intel (unloaded: fbdev,vesa) Resolution: 1366x768@60.00hz GLX Renderer: Mesa DRI Intel Haswell GLX Version: 3.0 Mesa 11.2.0 -- You are receiving this mail because: You are watching all bug changes.