After upgrading PBS from 3 to 4 via in-place upgrade, I no longer see the GRUB boot menu in my serial console. This is my grub config:
I've RTFM and my config looks OK. I tried various combinations of the GRUB_TERMINAL settings in the above, with and without the
Rich (BB code):
$ cat /etc/default/grub
# 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_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet console=tty0 console=ttyS0,115200n8"
GRUB_CMDLINE_LINUX=""
# Record Fail didn't fix the no serial console issue
#GRUB_RECORDFAIL_TIMEOUT=5
# 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=serial
#GRUB_TERMINAL="console serial"
GRUB_TERMINAL_INPUT="console serial"
#GRUB_TERMINAL_OUTPUT="gfxterm serial"
GRUB_TERMINAL_OUTPUT="console serial"
GRUB_SERIAL_COMMAND="serial --unit=0 --speed=115200 --word=8 --parity=none --stop=1"
# 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"
Rich (BB code):
$ sudo dpkg -l | grep grub
ii grub-common 2.12-9+pmx2 amd64 GRand Unified Bootloader (common files)
ii grub-efi-amd64 2.12-9+pmx2 amd64 GRand Unified Bootloader, version 2 (EFI-AMD64 version)
ii grub-efi-amd64-bin 2.12-9+pmx2 amd64 GRand Unified Bootloader, version 2 (EFI-AMD64 modules)
ii grub-efi-amd64-unsigned 2.12-9+pmx2 amd64 GRand Unified Bootloader, version 2 (EFI-AMD64 images)
ii grub2-common 2.12-9+pmx2 amd64 GRand Unified Bootloader (common files for version 2)I've RTFM and my config looks OK. I tried various combinations of the GRUB_TERMINAL settings in the above, with and without the
quiet kernel parameter, running update-grub and rebooting after each change. Every time, I do not see the GRUB boot menu and my console begins to show output after GRUB would have timed out and booted the default entry. Anyone have any ideas how I can get the GRUB boot menu back on my serial console?