Thanks for your bug report. Please try to obtain a backtrace during the hang (https://wiki.ubuntu.com/Backtrace) and attach the file to the bug report. This will greatly help us in tracking down your problem.
Thanks for your bug report. Please try to obtain a backtrace during the hang (https:/ /wiki.ubuntu. com/Backtrace) and attach the file to the bug report. This will greatly help us in tracking down your problem.