[Bug 457614] [NEW] Cryptsetup is started twice on startup

[falstaff]

Public bug reported:

Binary package hint: cryptsetup

I tried to use cryptsetup in karmic with a encrypted file (via losetup). Cryptsetup supports this kind of configuration, my /etc/crypttab line looks like this:
# <target name> <source device>         <key file>      <options>
container       /home/user/myimage.img  none            cipher=aes,check=ext2

However, I couldn't decrypt the file on startup. I started debugging
this problem and noticed that the startup function "do_start" from
/lib/cryptsetup/cryptdisks.functions is called twice, once from Upstart
(/etc/init/cryptdisks-enable.conf) and once from old init.d script
(/etc/rcS.d/S26cryptdisks-early). This leeds to the problem that the
first running script uses /dev/loop0 and the second /dev/loop1. The
first tries then to decrypt it, but the file isnt connected to
/dev/loop0 anymore, because the second losetup command which created
/dev/loop1 took the file. In the end, the file wasnt decrypted after 6
tried (two times 3 tries, for each startup script).

In my opinion, the upstart script doesnt work properly, it doesnt
support the noearly option from crypttab anyway (the old init.d script
is running twice, once with a early parameter (INITSTATE="early")...

** Affects: cryptsetup (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: cryptsetup upstart

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Cryptsetup is started twice on startup
https://bugs.launchpad.net/bugs/457614
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