EDIT: Setting steam to mute in the Big Picture settings seems to avoid the problem.
EDIT2: Nope, stil occures.
Problem occured twice while the screensaver was active on the BigPicture Homescreen.
EDIT3: Seems like opening Games/Apps using Big Picture mode and leaving them running over days also kills the system sometimes.
Problem disappeared, can't reproduce anymore.
Nothing extracted yet.
When browsing Big Picture mode on my Ubuntu 13.04 system it randomly freezes the whole system, no input is possible anymore, even the SSHd freezes, leaving a hard reset the only option.
It occurred in the library view and in the detail view. Input is not required, I only need one of them to be open. Doesn't occur when I'm not using Big Picture mode.
I'm not quite sure how to log this, there doesn't seem to be anything in the /var/log files. Sometimes it works over half an hour and then it just freezes, stopping the log at a position till I reset it.
I don't know if this is beta only, will try non-beta soon.
EDIT: It just occured with a non-beta build.
Any idea how to produce a proper error log?
Anyone else with this problem?