Lee Revell, thank you for reporting this and helping make Ubuntu better. Could you please execute the following command, as it will automatically gather debugging information, in a terminal: apport-collect 1446837
** Package changed: linux-lts-utopic (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Low ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1446837 Title: kernel BUG at /build/buildd/linux-lts-utopic-3.16.0/fs/buffer.c:3029! Status in linux package in Ubuntu: Incomplete Bug description: Kernel crash on shutdown. Console screencaps attached. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.16.0-34-generic 3.16.0-34.47~14.04.1 ProcVersionSignature: Ubuntu 3.16.0-34.47~14.04.1-generic 3.16.7-ckt8 Uname: Linux 3.16.0-34-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.10 Architecture: amd64 Date: Tue Apr 21 16:04:39 2015 InstallationDate: Installed on 2015-03-27 (25 days ago) InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) ProcEnviron: TERM=screen SHELL=/bin/bash PATH=(custom, no user) LANG=en_US.UTF-8 XDG_RUNTIME_DIR=<set> SourcePackage: linux-lts-utopic UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1446837/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp