Christopher, I am sorry I can't reproduce the problem anymore. The BIOS is updated and the system on the laptop is now Ubuntu 15.04. The mentioned USB3.0 hard disk is working fine. From my point of view you can close the bug report.
Thanks Matthias -- 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/1424354 Title: kernel crash on plugin usb harddisk Status in linux package in Ubuntu: Incomplete Bug description: The kernel crashes reproducable when I plug in my external USB 3.0 harddisk. sysreq system is not working anymore and there is no output in kern.log. The only option for me to create a log was a foto. The hardware is working fine with kernel 3.13.0-45-generic. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.16.0-30-generic 3.16.0-30.40~14.04.1 ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3 Uname: Linux 3.16.0-30-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.7 Architecture: amd64 CurrentDesktop: GNOME Date: Sun Feb 22 17:48:54 2015 EcryptfsInUse: Yes InstallationDate: Installed on 2015-01-26 (26 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) 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/1424354/+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