[pkg-cryptsetup-devel] Bug#591626: Bug#591626: Unable to boot from encrypted Luks volume after upgrade

[Jonas Meurer]

Hey Jiri,

On 16/08/2010 Jiri Kanicky wrote:
> Hi.
> 
> I attached picture with the boot message.
> 
> I was digging  into the problem more today and found the following:
> 
> - looks like LVM does not activate the /dev/data_vg/knightrider-sec
> volume on the boot and therefore cryptsetup cannot see the volume.
> It only activates one LV; knightrider-root.
> 
> - in the (initramfs) mode on the picture I typed "lvm" which took me
> to (lvm) mode. I activated all volumes in the data_vg group
> "vgchange -ya" and exited all. This brought the cryptsetup enter
> passphrase  line. I entered the passphrase and the system booted.
> 
> - The interesting bit is that executing "update-initramfs" right
> after "apt-get update; apt-get upgrade" will not output line with
> "cryptsetup" (bellow). However, entering it after the faulty boot,
> it will find the encrypted LV and note it in the cryptsetup line.
> 
> update-initramfs: Generating /boot/initrd.img-2.6.34-1-686
> cryptsetup: NOTE: using /dev/mapper/data_vg-knightrider--sec instead
> of /dev/data_vg/knightrider-sec for knightrider-sec
> 
> Any idea where can be the problem?

ok, now i've an idea where the problem is located. in order to reproduce
the situation, i need more detailed information. please send me contents
of your /etc/fstab, /etc/crypttab.

additionally i need the debug ouput of mkinitramfs, both righty after
'apt-get upgrade' and after the faulty boot. to produce debug output,
you need to change the first line of
/usr/share/initramfs-tools/hooks/cryptroot to '#!/bin/sh -x', and run
the following command:
'sh -x mkinitramfs -o /tmp/initramfs.debug 2>/tmp/mkinitramfs.log'

/tmp/mkinitramfs.log contains the required debug log. you can revert the
changes in /usr/share/initramfs-tools/hooks/cryptroot afterwards.

greetings,
 jonas
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