Bug#456154: debian-installer: amd64 re-boot fails due to missing /etc/crypttab

Package: debian-installer
Severity: important

Hi there,

while trying to install debian I encountered the problem that the installed system was unbootable.

The setup I tried is a md setup with everything crypted except /boot

This was reproducible with debian-40r1-amd64-CD-1.iso and unofficial netinst cd from kmuto (because of ICH9 chipset and e1000 support, my disks/cdrom are detected properly with the official cd's)

Here is the way I tried to install

1. Partition the disks
   /dev/sda1 => 256MB
   /dev/sda2 => rest of disk
   /dev/sdb1 => 256MB
   /dev/sdb2 => rest of disk
   
2. Set partition type to raid autodetect for all of the above
3. Setup raids
   /dev/md0 => [ sda1, sdb1 ]
   /dev/md1 => [ sda2, sdb2 ]
   
4. Choose /dev/md0 as ext3 which should be mounted on /boot
5. Choose /dev/md1 as target for a crypted disk (refered as /dev/mapper/crypt for the rest of this text)
6. Setup LVM with /dev/mapper/crypt as physical disk vg00 => /dev/mapper/crypt lvol-root 2GB / lvol-swap 8GB swap lvol-usr 8GB /usr lvol-var 8G /var lvol-home 16GB /home
7. Happily install debian on it. Works all fine until I try to boot into the just installed system. There it hangs with (something similiar to) vg00-lvol-root not found vg00-lvol-root not found Waiting for root filesystem until it drops into a busybox shell. Disks are detected before, since I got the message from md that md1 is not synchronized.

Doing the same like above just change / to be on md0 instead of the crypted volume the system boots at least into single user mode. Examining the install I found out that there was only an empty /etc/crypttab, adding the entry for /dev/md1 manually I could mount all the devices and then the system boots normally.

>From above I conjecture that also the failed try with / on the crypted device was due to a missing crypttab.

Do you need help?

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Regards
  Torsten  

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