I think I know what is the cause of these freezes - desktop effects. I haven't such problems when I disabled desktop effects. It took few minutes to system freeze after that, when I desktop effects enabled.
This is link to bug, which connects desktop effects and system freezes: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/176589 -- system freezes https://bugs.launchpad.net/bugs/230890 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
