GRUB_TIMEOUT isn't working as expected

[QkiZ]

I have always same GRUB settings, like below (/etc/default/grub):

GRUB_DEFAULT="0"
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR="`lsb_release -i -s 2> /dev/null || echo Debian`"
GRUB_CMDLINE_LINUX_DEFAULT="splash"
GRUB_CMDLINE_LINUX=""
GRUB_INIT_TUNE="480 440 1"
export GRUB_MENU_PICTURE="/home/qkiz/Obrazy/tapety/wallhaven-360496.jpg"
export GRUB_COLOR_NORMAL="light-gray/black"
export GRUB_COLOR_HIGHLIGHT="red/black"

GRUB_TIMEOUT is set to 5 seconds but when GRUB is loaded I need to wait 30 seconds to load default OS if I didn't select by hand.

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: grub-pc 2.02+dfsg1-12ubuntu2
ProcVersionSignature: Ubuntu 5.0.0-20.21-lowlatency 5.0.8
Uname: Linux 5.0.0-20-lowlatency x86_64
ApportVersion: 2.20.10-0ubuntu27.1
Architecture: amd64
Date: Thu Jul 25 23:42:22 2019
SourcePackage: grub2
UpgradeStatus: Upgraded to disco on 2019-05-01 (84 days ago)
modified.conffile..etc.default.apport:
 # set this to 0 to disable apport, or to 1 to enable it
 # you can temporarily override this with
 # sudo service apport start force_start=1
 enabled=0
mtime.conffile..etc.default.apport: 2018-10-22T20:30:51.046565

[Jouni Mettala (jouni-mettala)]

It looks like your last boot failed somehow.
Try to add this to /etc/default/grub to get 10 seconds recordfail timeout:
GRUB_RECORDFAIL_TIMEOUT=10

Perhaps your hard disk was not unmounted clean.
Could you check your hard disk with fsck from live usb or recovery mode?

[QkiZ (qkiz)]

After setting GRUB_RECORDFAIL_TIMEOUT=5 and update-grub command countdown is set to 5 seconds, as expected. System is closing or restarting without any problem. I'm using BTRFS on root partition and boot partitions and file system doesn't report any problems.

[Jouni Mettala (jouni-mettala)]

Perhaps GRUB can't write grubenv.

Are you booting via UEFI?
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1815002/comments/2

LWM:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/625234

RAID:
https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/560594

[QkiZ (qkiz)]

Yes, I'm booting via UEFI and using LVM

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.