Thank you for reporting this issue. We will also need the dmesg.log to begin work to resolve this issue. Please attach it as follows:
* disconnect the device * in a terminal, start udevadm in monitor mode and capture output sudo udevadm monitor -e | tee udev.log * connect the device * open a second Terminal and lshal > lshal.txt dmesg > dmesg.txt ls -l /dev/sd* > devices.txt * Press Control-C in the first terminal with the "udevadm". * attach lshal.txt, devices.txt, dmesg.txt and udev.log to the bug report * paste the output of ck-list-sessions * into the bug report * paste the output of id haldaemon * into the bug report ** Changed in: hal (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/698338 Title: Error tearing down LUKS device -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs