Comment 24 for bug 1552985

Here is a trancript of what I'm able to read on screen once the system hangs:

[ OK ] Stopped target System Initialization.
[ OK ] Stopped target Encrypted Volumes.
         Stopping Cryptography Setup for cryptswapl...
[ OK ] Stopped target Swap.
         Deactivating swap /dev/disk/by-uuid/a754e267-a770-4d4b-98a8-19ba7c9b9fd4...
         Stopping Load/Save Screen Backlight Brightness of backlight:intel_backlight...
         Stopping Load/Save Screen Backlight Brightness of leds:dell::kbd_backlight...
[ OK ] Stopped Apply Kernel Variables.
[ OK ] Stopped Load Kernel Modules.
         Stopping Network Time Synchronization...
[ OK ] Stopped Load/Save Screen Backlight Brightness of backlight:intel_backlight.
[ OK ] Stopped Load/Save Screen Backlight Brightness of leds:dell::kbd_backlight.
[ OK ] Deactivated swap /dev/disk/by-uuid/a754eZ67-a770-4d4b-98a8-19ba7c9b9fd4.
[ OK ] Deactivated swap /dev/disk/by-id/dm-uuid-CRYPT-PLAIN-cryptswapl.
[ OK ] Deactivated swap /dev/disk/by-id/dm-name-cryptswapl.
[ OK ] Deactivated swap /dev/dm-0.
[FAILED] Stopped (with error) /dev/dm-0.
[ OK ] Deactivated swap /dev/mapper/cryptswapl.
[ OK ] Removed slice system-systemd\x2dbacklight.slice.
[ OK ] Stopped Network Time Synchronization.
[ OK ] Stopped Create Volatile Files and Directories.
[ OK ] Stopped target Local File Systems.
         Unmounting /boot/efi...
         Unmounting /home/jorge...
         Unmounting /run/user/108...
         Unmounting /run/user/1000...
[ OK ] Unmounted /boot/efi.
[ OK ] Stopped File System Check on /deu/disk/by-uuid/DO7D-75AB.
[ OK ] Removed slice system-systemd\x2dfsck.slice.
[ OK ] Unmounted /run/user/1000.
[ OK ] Unmounted /run/user/108.
[ OK ] Unmounted /home/jorge.
[ OK ] Stopped target Local File Systems (Pre).
[ OK ] Stopped Create Static Device Nodes in /dev.
[ OK ] Stopped /dev/mapper/cryptswapl.
[ OK ] Stopped /dev/disk/by-uuid/a754e267-a770-4d4b-98a8-19ba7c9b9fd4.
[ OK ] Stopped /dev/disk/by-id/dm-uuid-CRYPT-PLAIN-cryptswapl.
[ OK ] Stopped /dev/disk/by-id/dm-name-cryptswapl.
[ OK ] Stopped /sys/devices/virtual/block/dm-0.
[ OK ] Stopped Cryptography Setup for cryptswapl.
[ OK ] Reached target Unmount All Filesystems.
[ OK ] Removed slice system-systemd\x2dcryptsetup.slice.
         Stopping Load/Save Random Seed...
[ OK ] Stopped Load/Save Random Seed.
[ OK ] Stopped Remount Root and Kernel File Systems.
[ OK ] Reached target Shutdown.
[ 112.7291111] reboot: Power down
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