[Bug 1409865] Re: Ubiquity installer crashes with manual partition layout - looks like a regression

[Juergen Scholz]

Please excuse, that I did not got to a workaround before reporting this
bug.

It is indeed possible to have a custom partition layout with the
ubiquity installer on the KDE Live CD, when the layout is created
manually. If the deisred root ("/") filesystem is btrfs it needs to be
completely fresh or created by the installer.

The reason for the issue seems to be that I had a custom subvolume
("sv_root") and that I set that subvolume as the default subvolume to
mount. Whereas the installer wants to use a subvolume named "@" as the
system's root. There seems to be no way to deviate from this during
installation.

I perfectly understand that names are a question of taste. Yet there is
no reason to not support custom subvolume names.

To get a working system:
  * Do not select updates/extras
  * Open manually created LVM/dm-crypt volumes
  * Select your volumes - choose to format your /boot-device and the device containing /
  * Install
  * The installer crashes when it needs to install the bootloader (at least it looks that way)
  * Quit the installer
  * Mount the target into /target with dev, dev/pts, proc, sys, boot; this needs to match the planned layout, which will be put in fstab and crypttab, *EXACTLY*
  * Add /etc/crypttab to reflect the crypted devices correctly
  * Edit /etc/fstab to reflect the system correctly
  * Create /etc/initramfs-tools/conf.d/cryptroot file; this is the step I missed at first
  * update-initramfs -u -k all
  * update-grub
  * Unmount everything
  * reboot

Thank you for taking the time to read this report. Please forgive my
grammar, since I am not a native speaker.

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Title:
  Ubiquity installer crashes with manual partition layout - looks like a
  regression

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