Re: System broken after yesterday's upgrade

[solitone <solitone@mail.com>]

On Thursday, 13 April 2017 09:53:05 CEST Dejan Jocic wrote:
> If you have old kernel, you do not have to choose it in the GRUB menu during
> boot, you can set up your GRUB to boot from it automatically. 

I have a submenu entry in my grub.cfg:

solitone@alan:~$ grep --color menu /boot/grub/grub.cfg                                                                               
[...]
menuentry 'Debian GNU/Linux' --class debian --class gnu-linux --class gnu --
class os $menuentry_id_option 'gnulinux-simple-7f537d3b-e578-4cd3-8583-
f3a2281f7d01' {                                                                                                        
submenu 'Advanced options for Debian GNU/Linux' $menuentry_id_option 
'gnulinux-advanced-7f537d3b-e578-4cd3-8583-f3a2281f7d01' {
        menuentry 'Debian GNU/Linux, with Linux 4.9.0-2-amd64' --class debian 
--class gnu-linux --class gnu --class os $menuentry_id_option 
'gnulinux-4.9.0-2-amd64-advanced-7f537d3b-e578-4cd3-8583-f3a2281f7d01' {                                                      
        menuentry 'Debian GNU/Linux, with Linux 4.9.0-2-amd64 (systemd)' --
class debian --class gnu-linux --class gnu --class os $menuentry_id_option 
'gnulinux-4.9.0-2-amd64-init-systemd-7f537d3b-e578-4cd3-8583-f3a2281f7d01' {
        menuentry 'Debian GNU/Linux, with Linux 4.9.0-2-amd64 (recovery mode)' 
--class debian --class gnu-linux --class gnu --class os $menuentry_id_option 
'gnulinux-4.9.0-2-amd64-recovery-7f537d3b-e578-4cd3-8583-f3a2281f7d01' {
        menuentry 'Debian GNU/Linux, with Linux 4.9.0-1-amd64' --class debian 
--class gnu-linux --class gnu --class os $menuentry_id_option 
'gnulinux-4.9.0-1-amd64-advanced-7f537d3b-e578-4cd3-8583-f3a2281f7d01' {
        menuentry 'Debian GNU/Linux, with Linux 4.9.0-1-amd64 (systemd)' --
class debian --class gnu-linux --class gnu --class os $menuentry_id_option 
'gnulinux-4.9.0-1-amd64-init-systemd-7f537d3b-e578-4cd3-8583-f3a2281f7d01' {
        menuentry 'Debian GNU/Linux, with Linux 4.9.0-1-amd64 (recovery mode)' 
--class debian --class gnu-linux --class gnu --class os $menuentry_id_option 
'gnulinux-4.9.0-1-amd64-recovery-7f537d3b-e578-4cd3-8583-f3a2281f7d01' {

To automatically load 'Debian GNU/Linux, with Linux 4.9.0-1-amd64' I need to 
set :
GRUB_DEFAULT="1>3"
in /etc/default/grub?

Cheers,
  Davide