OK,
1. Please provide a copy (as root) of your /var/log/lightdm/unity-system-compositor.log 2. Please report the crash formally using 'ubuntu-bug _usr_bin_unity8.32011.crash' and provide a link to the error report or new bug that results.
OK,
1. Please provide a copy (as root) of your /var/log/ lightdm/ unity-system- compositor. log unity8. 32011.crash' and provide a link to the error report or new bug that results.
2. Please report the crash formally using 'ubuntu-bug _usr_bin_