After some test applied with patch from https://lkml.org/lkml/2013/5/24/439, and this issue is not reproduce on Thinkapd v4400u after 100 times poweroff test.
this patch was post to upstream and then backported to v3.5 Raring kernel for test. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1212381 Title: Lenovo v4400u Boot failure and hang with a cursor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1212381/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
