[Bug 1034734] Re: flash-kernel shouldn't prompt the user when updating initramfs in case there's no valid /etc/fstab

[Loïc Minier]

I'm not sure it wouldn't break with Bootloader-sets-root: yes, but I
agree with the recommendation to use FLASH_KERNEL_SKIP; it's a good idea
for flash-kernel to fail installation / report an error condition when
the system couldn't be made bootable IMO.

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https://bugs.launchpad.net/bugs/1034734

Title:
  flash-kernel shouldn't prompt the user when updating initramfs in case
  there's no valid /etc/fstab

Status in “flash-kernel” package in Ubuntu:
  Confirmed

Bug description:
  Flash-kernel initramfs-tools hook, initramfs-
  tools/hooks/flash_kernel_set_root, doesn't know how to handle the use
  case where there's no valid rootfs device at /etc/fstab.

  This was noticed when using linaro-media-create, as the fstab is only
  available at the last step of the rootfs setup, prompting the message
  to the user and blocking until control+d or enter is entered by the
  user.

  This can also happen in case the user installs a valid kernel package
  + flash-kernel in a chroot.

  Flash-kernel should just warn the user and move on, and just block in
  case there's a valid rootfs at /etc/fstab and the device can't be
  found.

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