Paul Kishimoto, as per http://www.dell.com/support/troubleshooting/us/en/04/Product/xps-13 -l321x-mlk an update is available for your BIOS (A09). If you update to this, does it change anything?
If not, could you please both specify what happened, and provide the output of the following terminal command: sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date Thank you for your understanding. ** Tags added: bios-outdated-a09 needs-upstream-testing regression- potential ** Tags removed: kernel-bug-exists-upstream ** Tags added: kernel-bug-exists-upstream-v3.9 ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Tags added: needs-usb-v-log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1176810 Title: Kernel panic with USB 3.0 mass storage device To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1176810/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs