why I can not use the 3.2 kernel

Phil Dobbin bukowskiscat at gmail.com
Mon Nov 19 01:47:30 UTC 2012


On 11/19/2012 01:29 AM, Chen Liang wrote:

> OK, after type this command, it displays:
> 
> 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
> 
> And I see my /boot/grub/menu.lst file content is :
> 
> default0
> 
> ## timeout sec
> # Set a timeout, in SEC seconds, before automatically booting the
> default entry
> # (normally the first entry defined).
> timeout3
> 
> ## hiddenmenu
> # Hides the menu by default (press ESC to see the menu)
> hiddenmenu


Have you tried pressing escape to bring the menu up?

Cheers,

  Phil...



> 
> ## ## End Default Options ##
> 
> titleUbuntu 12.04.1 LTS, kernel 3.2.0-34-generic
> uuid5c87fc01-787f-4e4a-802f-a11333216f5b
> kernel/boot/vmlinuz-3.2.0-34-generic
> root=UUID=5c87fc01-787f-4e4a-802f-a11333216f5b ro quiet splash 
> initrd/boot/initrd.img-3.2.0-34-generic
> 
> titleUbuntu 12.04.1 LTS, kernel 3.2.0-34-generic (recovery mode)
> uuid5c87fc01-787f-4e4a-802f-a11333216f5b
> kernel/boot/vmlinuz-3.2.0-34-generic
> root=UUID=5c87fc01-787f-4e4a-802f-a11333216f5b ro  single
> initrd/boot/initrd.img-3.2.0-34-generic
> 
> titleUbuntu 12.04.1 LTS, kernel 3.2.0-33-generic
> uuid5c87fc01-787f-4e4a-802f-a11333216f5b
> kernel/boot/vmlinuz-3.2.0-33-generic
> root=UUID=5c87fc01-787f-4e4a-802f-a11333216f5b ro quiet splash 
> initrd/boot/initrd.img-3.2.0-33-generic
> 
> titleUbuntu 12.04.1 LTS, kernel 3.2.0-33-generic (recovery mode)
> uuid5c87fc01-787f-4e4a-802f-a11333216f5b
> kernel/boot/vmlinuz-3.2.0-33-generic
> root=UUID=5c87fc01-787f-4e4a-802f-a11333216f5b ro  single
> initrd/boot/initrd.img-3.2.0-33-generic
> 
> titleUbuntu 12.04.1 LTS, kernel 3.2.0-31-generic
> uuid5c87fc01-787f-4e4a-802f-a11333216f5b
> kernel/boot/vmlinuz-3.2.0-31-generic
> root=UUID=5c87fc01-787f-4e4a-802f-a11333216f5b ro quiet splash 
> initrd/boot/initrd.img-3.2.0-31-generic
> 
> titleUbuntu 12.04.1 LTS, kernel 3.2.0-31-generic (recovery mode)
> uuid5c87fc01-787f-4e4a-802f-a11333216f5b
> kernel/boot/vmlinuz-3.2.0-31-generic
> root=UUID=5c87fc01-787f-4e4a-802f-a11333216f5b ro  single
> initrd/boot/initrd.img-3.2.0-31-generic
> 
> titleUbuntu 12.04.1 LTS, kernel 3.0.0-20-generic
> uuid5c87fc01-787f-4e4a-802f-a11333216f5b
> kernel/boot/vmlinuz-3.0.0-20-generic
> root=UUID=5c87fc01-787f-4e4a-802f-a11333216f5b ro quiet splash 
> initrd/boot/initrd.img-3.0.0-20-generic
> 
> titleUbuntu 12.04.1 LTS, kernel 3.0.0-20-generic (recovery mode)
> uuid5c87fc01-787f-4e4a-802f-a11333216f5b
> kernel/boot/vmlinuz-3.0.0-20-generic
> root=UUID=5c87fc01-787f-4e4a-802f-a11333216f5b ro  single
> initrd/boot/initrd.img-3.0.0-20-generic
> 
> titleUbuntu 12.04.1 LTS, memtest86+
> uuid5c87fc01-787f-4e4a-802f-a11333216f5b
> kernel/boot/memtest86+.bin
> 
> ### END DEBIAN AUTOMAGIC KERNELS LIST
>  
> 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!
> 
> 2012/11/16 Colin Law <clanlaw at googlemail.com
> <mailto:clanlaw at googlemail.com>>
> 
>     On 16 November 2012 02:14, Chen Liang <slimhigh at gmail.com
>     <mailto:slimhigh at gmail.com>> wrote:
>     > Hello, Every one.
>     >
>     > I find I can't use the new kernel on my Ubuntu 12.04. The kernels
>     I have
>     > installed :
>     >
>     > slim at lab:~$ dpkg --get-selections | grep linux
>     > libselinux1 install
>     > libselinux1:i386 install
>     > linux-firmware install
>     > linux-generic install
>     > linux-headers-3.2.0-31 install
>     > linux-headers-3.2.0-31-generic install
>     > linux-headers-3.2.0-33 install
>     > linux-headers-3.2.0-33-generic install
>     > linux-headers-generic install
>     > linux-image-3.0.0-12-generic deinstall
>     > linux-image-3.0.0-17-generic deinstall
>     > linux-image-3.0.0-19-generic deinstall
>     > linux-image-3.0.0-20-generic install
>     > linux-image-3.0.0-22-generic deinstall
>     > linux-image-3.0.0-26-generic deinstall
>     > linux-image-3.2.0-31-generic install
>     > linux-image-3.2.0-33-generic install
>     >
>     > My computer is running for several days, and every time the
>     update-manager
>     > updated my computer, I didn't restart my computer. Today, I found
>     that I had
>     > installed the 3.2 kernel, but when I restart the computer, the
>     grub menu
>     > didn't show that I had a 3.2 kernel to select. So I can not use
>     the 3.2
>     > kernel. The uname result is:
>     >
>     > slim at lab:~$ uname -a
>     > Linux lab 3.0.0-20-generic #34-Ubuntu SMP Tue May 1 17:24:39 UTC
>     2012 x86_64
>     > x86_64 x86_64 GNU/Linux
> 
>     Does running, in a terminal
>     sudo update-grub
>     fix it.  If not what is the output of that command?



-- 
currently (ab)using
CentOS 5.8 & 6.3, Debian Squeeze & Wheezy, Fedora Beefy, OS X Snow
Leopard & Ubuntu Precise & Quantal
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