Public bug reported:
Problem is with systemd, or with how the installation configured
systemd.
Machine is a 64bit system, AMD CPU and graphics card, dual boot.
Windows 8.1 is on sda1 and 2, and Lubuntu 15.04 is on sda5 (swap), 6
(/), and 7 (/home). I installed Windows first. During install of
Lubuntu, I added sda2 to the list of partitions to mount during boot. I
chose /mnt/windows for the mount point.
Windows 8.1 defaults to this Fast Startup in which instead of doing a
real shutdown, it hibernates the partition, not cleanly unmounting it.
After booting Windows then rebooting and choosing Ubuntu, the system
does not bring up the GUI, instead dropping to a text screen, saying:
ACPI PCC probe failed.
starting version 219.
welcome to emergency mode....
The only error in the logs is that the system can't mount /mnt/windows.
Those other messages about ACPI and version 219 are red herrings. I
don't know why systemd is configured to think that /mnt/windows is
critical to the system, and why it responds by refusing to run the GUI
(staying in runlevel 1 maybe?).
After changing Windows to disable its Fast Startup and then booting into
Lubuntu, the system works normally and LXDE comes up as expected.
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1455683
Title:
dual boot machine: desktop fails to start if Windows partition
hibernated
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