[Bug 1797894] Re: upgrading grub, modifies GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub

[Colin Watson]

** Bug watch added: Debian Bug tracker #872637
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=872637

** Also affects: grub2 (Debian) via
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=872637
   Importance: Unknown
       Status: Unknown

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Title:
  upgrading grub, modifies GRUB_CMDLINE_LINUX_DEFAULT in
  /etc/default/grub

Status in grub2 package in Ubuntu:
  New
Status in grub2 package in Debian:
  Unknown

Bug description:
  upgrading grub, modifies GRUB_CMDLINE_LINUX_DEFAULT in
  /etc/default/grub

  if one has makedumpfile installed. the setting from
  /etc/default/grub.d/kdump-tools.cfg which imho should not have leaked
  into /etd/default/grub.

  See screenshot.

  Also,

  grub-efi-amd64  grub2/linux_cmdline_default     string  quiet splash
  pcie_aspm=off crashkernel=512M-:192M

  has been helpfully "updated" when it should not have.

  in postinst, it seems like we source all of /etc/default/grub.d/*
  files, when maybe we should not have.

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