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Something odd, kernel update today, menu.lst not updated

  Date: Dec 17    Category: Unix / Linux / Ubuntu    Views: 456
  

About 25 minutes ago I received notice of pending updates. Looked
like a new kernel and some other goodies, so I clicked "Install".

After just now rebooting, the new kernel wasn't listed in the grub
boot menu (I know because I always add the date of the kernel to the
menu items).

The menu.lst file was "updated" (date/time), but it's identical to the
saved one from August for the previous kernel update.

I just added the new kernel info into menu.lst but I wonder what
could have changed such that menu.lst didn't receive the new info
automatically during the update.

Could that be due to some setting in Synaptic?

I'll poke around before rebooting and see what I can find, but if
this is happening to others, too, it means the updates aren't being
effected.

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5 Answers Found

 
Answer #1    Answered On: Dec 17    

i do have the same problem.

I upfraded from hardy to intrepid RC and notice that menu.lst is not updated
with new kernel from RC.

Dumb me... I used the system cleaner which purge old kernels and boom... i can't
boot anymore

 
Answer #2    Answered On: Dec 17    

It's more than just the kernel that gets changed -- there's the C lib
and header files (for those doing development and/or compiling).

Take a look at the /boot directory on your system; here's wgat's on
mine this instant (minus the leftmost columns which Yahoo would mangle):

total 53868
422667 2008-05-28 19:39 abi-2.6.24-18-generic
422667 2008-08-20 21:46 abi-2.6.24-19-generic
422838 2008-10-21 20:12 abi-2.6.24-21-generic
80071 2008-05-28 19:39 config-2.6.24-18-generic
80049 2008-08-20 21:46 config-2.6.24-19-generic
80062 2008-10-21 20:12 config-2.6.24-21-generic
4096 2008-10-27 18:58 grub
7455526 2008-06-03 23:20 initrd.img-2.6.24-18-generic
7455545 2008-06-03 23:20 initrd.img-2.6.24-18-generic.bak
7494286 2008-08-26 19:06 initrd.img-2.6.24-19-generic
7494932 2008-08-13 02:05 initrd.img-2.6.24-19-generic.bak
7496651 2008-10-27 18:17 initrd.img-2.6.24-21-generic
7496804 2008-10-14 20:29 initrd.img-2.6.24-21-generic.bak
103204 2007-09-28 03:06 memtest86+.bin
905012 2008-05-28 19:39 System.map-2.6.24-18-generic
905170 2008-08-20 21:46 System.map-2.6.24-19-generic
905617 2008-10-21 20:12 System.map-2.6.24-21-generic
1921528 2008-05-28 19:39 vmlinuz-2.6.24-18-generic
1921464 2008-08-20 21:46 vmlinuz-2.6.24-19-generic
1920760 2008-10-21 20:12 vmlinuz-2.6.24-21-generic

and here's the tail end of my /boot/grub/menu.lst:

## ## End Default Options ##

title Ubuntu 8.04.1, kernel 2.6.24-21-generic, 21-OCTOBER-2008
root (hd0,0)
kernel /boot/vmlinuz-2.6.24-21-generic
root=UUID=4b9e32d4-0db9-402c-be33-e9c35be3a81b ro quiet splash
initrd /boot/initrd.img-2.6.24-21-generic
quiet

title Ubuntu 8.04.1, kernel 2.6.24-21-generic (recovery mode)
root (hd0,0)
kernel /boot/vmlinuz-2.6.24-21-generic
root=UUID=4b9e32d4-0db9-402c-be33-e9c35be3a81b ro single
initrd /boot/initrd.img-2.6.24-21-generic

title Ubuntu 8.04.1, kernel 2.6.24-19-generic, 20-AUGUST-2008
root (hd0,0)
kernel /boot/vmlinuz-2.6.24-19-generic
root=UUID=4b9e32d4-0db9-402c-be33-e9c35be3a81b ro quiet splash
initrd /boot/initrd.img-2.6.24-19-generic
quiet

title Ubuntu 8.04.1, kernel 2.6.24-19-generic (recovery mode)
root (hd0,0)
kernel /boot/vmlinuz-2.6.24-19-generic
root=UUID=4b9e32d4-0db9-402c-be33-e9c35be3a81b ro single
initrd /boot/initrd.img-2.6.24-19-generic

title Ubuntu 8.04.1, kernel 2.6.24-18-generic, 3-JUNE-2008
root (hd0,0)
kernel /boot/vmlinuz-2.6.24-18-generic
root=UUID=4b9e32d4-0db9-402c-be33-e9c35be3a81b ro quiet splash
initrd /boot/initrd.img-2.6.24-18-generic
quiet

title Ubuntu 8.04.1, kernel 2.6.24-18-generic (recovery mode)
root (hd0,0)
kernel /boot/vmlinuz-2.6.24-18-generic
root=UUID=4b9e32d4-0db9-402c-be33-e9c35be3a81b ro single
initrd /boot/initrd.img-2.6.24-18-generic

title Ubuntu 8.04.1, memtest86+
root (hd0,0)
kernel /boot/memtest86+.bin
quiet

title REBOOT
reboot
### END DEBIAN AUTOMAGIC KERNELS LIST

 
Answer #3    Answered On: Dec 17    

I'm sorry I cannot help you directly; perhaps the /boot and menu.lst
from my system I just posted may assist you manually entering the
data into /boot/grub/menu.lst

Just checked Synaptic and there's nothing in Preferences or Repositories
that seems like it would prevent updating of /boot/grub/menu.lst

My system seems to be running fine, but this (not updating menu.lst)
is clearly a new problem.

Although this is after-the-fact, it's best to leave several prior
kernels around "just in case".

 
Answer #4    Answered On: Dec 17    

Even weirder is that both the August 25 and October 21 kernel updates
are both 2.6.24-21-generic. The "October 21" is what I just received
within the past hour. Strange.

 
Answer #5    Answered On: Dec 17    

You can rewrite grub using your live CD. No need to re-install.
www.howtogeek.com/.../reinstall-ubuntu-grub-bootloader-after-win\
dows-wipes-it-out/

I did an upgrade from beta to RC and it gave me an option to use a new grub or
keep the old. I kept the old as it is modified.

 
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