attached the dmesg output of booting the same machine with the working 4.2 kernel
** Attachment added: "dmesg of working 4.2 kernel" https://bugs.launchpad.net/ubuntu/+source/linux-lts-xenial/+bug/1552903/+attachment/4587863/+files/dmesg-4.2.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1552903 Title: fails to boot on megaraid To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-xenial/+bug/1552903/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs