Re: luks header on initramfs img

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On 08/07/2014 03:09 AM, Henrique Abreu wrote:
> I use to have a setup with luks header on a separate file, as describe here:
> https://wiki.archlinux.org/index.php/Dm-crypt/Specialties#Encrypted_system_using_a_remote_LUKS_header
> 
> But since update from 1.6.4 to 1.6.5 it doesn't work anymore. It just keeps asking for the passphrase on and on without any error messages.
> 
> I noticed that, if I mount a usb drive and move the header from memory to the drive, then attempt to open again with the exact same command (below) it works:
> # cryptsetup open --header header.img --type luks /dev/sda4 lvm
> 
> So, the difference is just where the header.img file is placed. For now, I have downgraded back to 1.6.4 to keep my boot setup simpler.
> I rather use the header image inside initramfs if possible instead of having to mount a usb at boot just to read the header.
> 
> Does anyone know if that's intended for not working anymore or if it's a bug?

There is no reason this should not work.
(It could be bug elsewhere as well, 1.6.5 already uncovered 2 kernel bugs...)

Can you paste debug output from the failing command?
(Add --debug option.)

Thanks,
Milan
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