This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1640297
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1640297
Title:
16.04.1 LTS hang during boot 4.4.0-45-generic with /etc/crypttab.
Boots fine in 4.4.0-42-generic and older
Status in linux package in Ubuntu:
Incomplete
Bug description:
System hangs during boot with 4.4.0-45-generic if /etc/crypptab
contains a valid entry. Passphrase prompt never seen. Black screen
with blinking underscore in upper left corner. Repeated attempts to
type passphrase have no effect.
There are two workarounds:
1) Comment out line referring the encrypted partition in /etc/crypttab and
/etc/fstab. Mount the partition manually after boot completes
2) Boot in 4.4.0-42-generic which works as do earlier versions. i.e. the user
provides passphrase at the prompt during boot and the system finishes booting
robert@kalymnos:~$ cat /etc/crypttab
spare2 UUID=498b08bb-5e6b-4ddf-8b37-e059665a34e6 none luks
robert@kalymnos:~$ grep mapper /etc/fstab
/dev/mapper/spare2 /spare2 ext4 defaults 0 2
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