I guess it may be caused by Adobe Flash plug-in, for right now it happened again on 32-bit system. It seems each time, there is a firefox with flash page opened.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/839774 Title: System frozen randomly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/839774/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
