[Bug 1453465] Re: Installation Media always wants to swap onto sda1 and 5 making installation impossible

[Colin Watson]

** Project changed: ubiquity => ubiquity (Ubuntu)

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Title:
  Installation Media always wants to swap onto sda1 and 5 making
  installation impossible

Status in ubiquity package in Ubuntu:
  New

Bug description:
  I have a laptop with a 64 GB SSD. It had two partitions sda1 and 2 for
  my former swap and root partition.

  I downloaded the Ubuntu MATE 15.04 ISO and dd'ed it onto a USB stick
  and booted from that.

  At the disk partitioning step of the installer I told it to use the whole disk to create the standard partition layout with ext4.
  After clicking "Start Installation" a window popped up, telling me that the creating of the filesystem on sda has failed.

  I tried several manual layouts, filesystems with the manual
  partitioning step until I opend gparted on the Live image and saw that
  it uses the /dev/sda partitions as swap. I used swapoff to disable
  swap on these partitons. I nuked the partiton table and verified that
  there is no partion and no swap active on /dev/sda  with lsblk. I
  reran the installer told it to use the entire (now blank) disk. Same
  error. Again after parition creation /dev/sda1 was instantly used as
  swap making the filesystem creation fail. I was a bit surprised that
  it always created /dev/sda1, sda2 (just a 1kb parition) and sda5 and
  not simply 1 and 2.

  I found out that in /etc/fstab apart from the usual overlay stuff and
  tmpfs for the Live Image /dev/sda1 and /dev/sda5 are both declared as
  swap devices (terrible idea). I deleted those two lines and stoped
  systemd-swap.target for good measure. Afer that the installation just
  worked. No more complaints about not being able to create a filesystem
  on the sda partition. I'm surprised it even let it swap onto /dev/sda1
  the first time which was an old ext4 parition.

  So for me this looks like if I use the Ubuntu MATE Live USB/CD on my
  2GB RAM laptop and open to many tabs in a browser it will just start
  overwriting the first drive.

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