[Bug 1273764] Re: Grub ignores TIMEOUT options on /etc/default/grub

[Ivan Zorin]

Exactly the same issue. It starts since I did upgrade from 16.04.5 to
16.04.6. I attached the related config files: /etc/default/grub and
/boot/grub/grub.cfg. My case is definitely not like #13: I have /boot
entry in /etc/fstab and I double checked that when I do `update-grub'
/boot is mounted, has free space and populated accordingly:

$ cat /etc/fstab| grep /boot
# /boot was on /dev/sda7 during installation
UUID=XXXX /boot           ext3    defaults        0       2

$ df -h | grep /boot
/dev/sda7         2.0G  125M  1.7G   7% /boot

$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 16.04.6 LTS
Release:	16.04
Codename:	xenial

I also tried #33 workaround: doesn't work for me.

P.S. The most inconvenient thing for me in this is that I have a
bluetooth keyboard as my primary keyboard, so now, since I did this
upgrade, I have to keep another one physically attached keyboard each
time when I want to boot.

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https://bugs.launchpad.net/bugs/1273764

Title:
  Grub ignores TIMEOUT options on /etc/default/grub

Status in grub2 package in Ubuntu:
  Triaged
Status in grub2 source package in Vivid:
  Triaged

Bug description:
  This is a fresh install of trusty (amd64), without proposed (since
  this grub package has reached the regular repos).

  I have attached my `/etc/default/grub` file. After modifying it, I
  make sure to run update-grub, but the changes won't take effect on
  next reboot: the menu is shown with a timeout of 10 seconds even when
  GRUB_TIMEOUT_STYLE is set to countdown.

  After reading grub.cfg and googling a bit I found this:

  https://gist.github.com/LeahCim/9332432

  (30_os-prober is overriding the values of GRUB_TIMEOUT and
  GRUB_TIMEOUT_STYLE.)

  Description:	Ubuntu Trusty Tahr (development branch)
  Release:	14.04

  grub-pc:
    Installed: 2.02~beta2-7
    Candidate: 2.02~beta2-7
    Version table:
   *** 2.02~beta2-7 0
          500 http://do.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
          100 /var/lib/dpkg/status

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