The likelihood is that that system is completely frozen - if it can't respond to pings, then it is not processing interrupts and completely dead. Often it dies so quickly that it doesn't even manage to send an oops over netconsole.
If the hangs keep on happening, try booting with i915.i915_enable_rc6=0. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1137817 Title: System freeze after high memory usage (Ubuntu 12.10 64-bit on ivy bridge HD4000) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1137817/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
