those random freezes at my machine were caused by a somehow defected onboard-lan device.
using a pci network card fixed this issue for me -- system freeze https://bugs.launchpad.net/bugs/106205 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
