I think in my case the freeze was related to some troubles with the wifi card. I installed wicd instead of network manager and I no more freezes since
-- lockups with default (hpet) clocksource on 2.6.27-2-generic 64-bit https://bugs.launchpad.net/bugs/270798 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
