why I can not use the 3.2 kernel

[Colin Law]

On 19 November 2012 14:04, Chen Liang <slimhigh at gmail.com> wrote:
> OK, I have fixed this problem. Just type this command:
>
> sudo grub-mkconfig -o /boot/grub/grub.cfg

It would be interesting to know what is the underlying cause and to
fix it properly so you don't have to remember to do that each time
there is a kernel update.  What do you get if you run
which update-grub

and what do you get for
cat /usr/sbin/update-grub
and if that is not the file that which update-grub shows then what do
you get if you cat that file?

Colin

>
>
> 2012/11/19 Chen Liang <slimhigh at gmail.com>
>>
>> So how to update grub2.
>>
>>
>> 2012/11/19 Tom H <tomh0665 at gmail.com>
>>>
>>> Resending in plain text.
>>>
>>> On Mon, Nov 19, 2012 at 6:38 AM, Tom H <tomh0665 at gmail.com> wrote:
>>> > On Mon, Nov 19, 2012 at 5:37 AM, Chen Liang <slimhigh at gmail.com> wrote:
>>> >>
>>> >> The output of the script at [1] is in the RESULT.txt. And the boot
>>> >> menu
>>> >> when I startup shows below:
>>> >>
>>> >> entering in the Previous Linux versions option shows :
>>> >> So there is not a 3.2 kernel options.
>>> >>
>>> >> 2012/11/19 Tom H <tomh0665 at gmail.com>
>>> >>>
>>> >>> On Sun, Nov 18, 2012 at 8:29 PM, Chen Liang <slimhigh at gmail.com>
>>> >>> wrote:
>>> >>> >
>>> >>> > slim at lab:~$ sudo update-grub
>>> >>> > [sudo] password for slim:
>>> >>> > Searching for GRUB installation directory ... found: /boot/grub
>>> >>> > Searching for default file ... found: /boot/grub/default
>>> >>> > Testing for an existing GRUB menu.lst file ... found:
>>> >>> > /boot/grub/menu.lst
>>> >>> > Searching for splash image ... none found, skipping ...
>>> >>> > Found kernel: /boot/vmlinuz-3.2.0-34-generic
>>> >>> > Found kernel: /boot/vmlinuz-3.2.0-33-generic
>>> >>> > Found kernel: /boot/vmlinuz-3.2.0-31-generic
>>> >>> > Found kernel: /boot/vmlinuz-3.0.0-20-generic
>>> >>> > Found kernel: /boot/memtest86+.bin
>>> >>> > Updating /boot/grub/menu.lst ... done
>>> >>> >
>>> >>> > The 3.2 kernel titles do show in the menu.lst, but when I restart
>>> >>> > my
>>> >>> > computer, I can't see the options. I really don't know why!
>>> >>>
>>> >>> What's the output of the script at [1]?
>>> >>>
>>> >>> You're updating your grub1 menu but it may be that you're, somehow,
>>> >>> booting from grub2.
>>> >>>
>>> >>> 1.
>>> >>> http://sourceforge.net/projects/bootinfoscript/files/bootinfoscript/
>>> >
>>> > The picture clearly shows that it'd grub2 (grub 1.99-12ubuntu5) that's
>>> > controlling your boot through "boot/grub/grub.cfg" and not grub1. So
>>> > the
>>> > "menu.lst" that you're generating with "update-grub" has no influence
>>> > on
>>> > your boot menu.
>>>
>>> --
>>> ubuntu-users mailing list
>>> ubuntu-users at lists.ubuntu.com
>>> Modify settings or unsubscribe at:
>>> https://lists.ubuntu.com/mailman/listinfo/ubuntu-users
>>
>>
>>
>>
>> --
>> Best Regards!
>>
>> Chen Liang
>> Beijing Institute of Technology
>>
>> 此致 敬礼！
>>
>> 陈亮
>> 北京理工大学
>>
>
>
>
> --
> Best Regards!
>
> Chen Liang
> Beijing Institute of Technology
>
> 此致 敬礼！
>
> 陈亮
> 北京理工大学
>
>
> --
> ubuntu-users mailing list
> ubuntu-users at lists.ubuntu.com
> Modify settings or unsubscribe at:
> https://lists.ubuntu.com/mailman/listinfo/ubuntu-users
>