I've restricted the problem and now my laptop is usable. It' seem that it's all caused by the battery kernel module.
Now I have battery blacklisted and and my laptop work well -- [gutsy] notebook instantly powered off while loading ubuntu https://bugs.launchpad.net/bugs/137538 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