I have tested 3.16.0-37 and 3.16.0-38, all work well. It seems that only 3.16.0-36 has the issue. So from 3.16.0-36 to 3.16.0-37, there are some commits that have already fixed the issue. We need to find out which commits to fix the issue
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1451357 Title: [Lenovo SazanW-2] system got hang and screen became black after execute upgrade under 14.04.2 To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1451357/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs