Metacity with composite rendering error for GUI menu border

[Wei Tsui]

1) sudo apt-get install gnome-session-flashback

2) Logoff and switch to "Gnome Flashback Metacity" session

3) right-click for desktop background, white block is shown out of menu border

My GPU is NVdia GTX 850M

This problem is caused under Ubuntu 16.04 Dev

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: metacity 1:3.18.1-1ubuntu2
ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
Uname: Linux 4.2.0-19-generic x86_64
ApportVersion: 2.19.2-0ubuntu6
Architecture: amd64
CurrentDesktop: GNOME-Flashback:Unity
Date: Mon Nov 23 06:43:44 2015
JournalErrors:
 Error: command ['journalctl', '-b', '--priority', 'warning'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system.
       Users in the 'systemd-journal' group can see all messages. Pass -q to
       turn off this notice.
 No journal files were opened due to insufficient permissions.
SourcePackage: metacity
UpgradeStatus: No upgrade log present (probably fresh install)

[Alberts Muktupāvels (muktupavels)]

Is this still problem?

[Wei Tsui (ghostplant)]

Well, this is an old problem when xenial is not released, but now fixed!