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[EN] GRUB menu has disappeared

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debsid:
Hi everyone,

I noticed yesterday that my grub menu has disappeared, meaning, the system shows the Lenovo logo for a bit longer than usual--I guess adding the 5 seconds of the regular grub menu--and then boots right into 6.6.11.

I noticed the disappearance after I saw that the new upgrade wants to remove the running kernel (6.6.9), installing 6.6.9-unsigned while also marking 6.6.8 for deletion. This is very unusual. Note that I don't have any other OSs installed, just different kernels. I have done the usual grub-install and update-grub without any action. Does anyone know what could have caused this?

eriefisher:
The kernels shouldn't be marked for removal. They will be autoremovable after the latest two are in place but you need to remove them deliberately. Can you post /etc/default/grub and uname -r?

debsid:
I should have mentioned that I am on a Debian Sid that I transitioned from Siduction. 6.6.9 was removed and replaced by 6.6.9-unsigned, which I found very strange. linux-image-6.6.8-amd64 will be removed if I do a full-upgrade now.


--- Code: ---uname -r: 6.6.11-amd64
--- End code ---

And /etc/default/grub:

--- Code: ---# 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=5
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet"
GRUB_CMDLINE_LINUX=""

# If your computer has multiple operating systems installed, then you
# probably want to run os-prober. However, if your computer is a host
# for guest OSes installed via LVM or raw disk devices, running
# os-prober can cause damage to those guest OSes as it mounts
# filesystems to look for things.
#GRUB_DISABLE_OS_PROBER=false

# 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_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"

--- End code ---

unklarer:
I can confirm the behavior under sid.

A warning was issued not to remove 6.6.9.
But since apt shows what it would do (replace with 'unsigned), nothing could go wrong. Everything went correctly.    8)

debsid:
I am unsure the two issues are corrected, but thanks for confirming that you have the unsigned replacement too. Do you know why all of a sudden an unsigned kernel has been introduced replacing the signed 6.6.9? Why not also for 6.6.11?

As I said, my system boots fine into 6.6.11 and unsigned has been installed fine. The problem is that the grub menu has disappeared, which I have not been able to bring back.

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