Public bug reported:
For some reason GRUB_TIMEOUT_STYLE=countdown is not being treated in a
consistant manner on all my machines. On ASUS m4a785m(2), ASUS m5a97(1)
and ASUS p8h61m despite having the GRUB_TIMEOUT_STYLE set to countdown
and GRUB_TIMEOUT set to 10 in /etc/default/grub I was getting a menu. On
ASUS Sabertooth, ASUS a88xpro and another ASUS m5a97 countdown worked as
designed. After a bit of trouble shooting I found that the
/boot/grub/grub.cfg files on the offending hardware were actually
setting the GRUB_TIMEOUT_STYLE value to menu in a OS-PROBER block at the
end of the file despite it being set to countdown in the
/etc/default/grub file. Since the offending code was in an OS-PROBER
block I tried setting GRUB_DISABLE_OS_PROBER to TRUE and running update-
grub which corrected the problem. Although this temporarily fixes the
problem I do not think it is addressing the real issue which is the
inconsistent setting of GRUB_TIMEOUT_STYLE and therefor inconsistant
behavior even on different machines of the same hardware. Since ASUS
m5a97(2 different machines) exibited both the fail and pass mode I have
to think that this is not hardware specific but possibly something going
haywire in grub_mkconfig. Here is my /etc/default/grub file with the
problem:
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
# info -f grub -n 'Simple configuration'
GRUB_DEFAULT=0
GRUB_TIMEOUT=10
GRUB_TIMEOUT_STYLE=countdown
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""
# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"
# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480
# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true
# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"
# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"
# WolfLand specific changes
export GRUB_COLOR_NORMAL="light-gray/light-gray"
export GRUB_COLOR_HIGHLIGHT="magenta/light-gray"
GRUB_BACKGROUND="/usr/share/backgrounds/warty-final-ubuntu-bt.png"
Here is the "working" /etc/default/grub file:
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
# info -f grub -n 'Simple configuration'
GRUB_DEFAULT=0
GRUB_TIMEOUT=10
GRUB_TIMEOUT_STYLE=countdown
GRUB_DISABLE_OS_PROBER=true
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""
# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"
# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console
# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480
# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true
# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"
# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"
# WolfLand specific changes
export GRUB_COLOR_NORMAL="light-gray/light-gray"
export GRUB_COLOR_HIGHLIGHT="magenta/light-gray"
GRUB_BACKGROUND="/usr/share/backgrounds/warty-final-ubuntu-bt.png"
Note that the only difference is the GRUB_DISABLE_OS_PROBER=true
directive.
I can try and recreate the problem and provide /boot/grub/grub.cfg files
if needed.
lsb-release -rd:
Description: Ubuntu Trusty Tahr (development branch)
Release: 14.04
Grub version is 2.02~beta2-7,
Almost forgot.. I upgraded 10 machines (9 desktop and 1 laptop) to Ubuntu
12.04.4 last night and set them up to use GRUB_TIMEOUT_STYLE=countdown. All 10
machines worked as expected without any issue (a mixture of MSI and ASUS
hardware) so the problem seems to be related to Trusty(e.g. 14.04) only.
Thanks,
B.Bogert
** Affects: grub2 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1298476
Title:
Trusty: inconsistent behaviour of GRUB_TIMEOUT_STYLE=countdown
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