Comment 16 for bug 1237556

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lostboy1 (brett-blzj) wrote :

I too ran in to a problem after upgrading a luks full disk encrypted 12.04.5 system to 14.04.1. After successfully upgrading, upon reboot I was asked for the luks password for the root system. After entering the password, I see sever errors including "/sbin/cryptsetup not found".

After doing research I came across bug https://bugs.launchpad.net/ubuntu/+source/cryptsetup/+bug/1256730. After booting from a rescue cd, creating the file in comment #4 and updating the initrd, the cryptsetup could be found in the initrd.

Another reboot and all was good.