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Old 11-20-2007, 03:41 PM   #1
9nine9
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Fedora 8 won't boot after installing more memory


I apologize for posting the same basic thing twice but I wasn't sure if this was a Fedora question or a hardware question.

I installed 256 MB of memory next to the existing 256 MB and Fedora 8 wouldn't boot.

The memory checked OK during the initial pre-boot phase and then Fedora tried to boot and stopped.

A bunch of numbers & stuff appeared on the screen and near the bottom it said:

Unknown Boot option
Kernel panic - not synching: Attempted to kill the idle task!
 
Old 11-20-2007, 05:09 PM   #2
PTrenholme
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When GRUB starts, you usually have a few seconds during which you can press the "Escape" key to stop the automatic boot and display the boot menu.

If that works, select the F8 boot line and press the "e" key to enter GRUB's memory-only edit mode. (I.e., you can change what's there, but the changes aren't saved in the /boot/grub/grub.conf file.)

Look at the kernel line and see what "strange" options you have listed. (If you can't tell what's "strange," post the line here and someone might be able to help.) If you see something "strange," press the "e" key again to edit the line (after selecting it), and then use your arrow and delete keys to erase the "strange" stuff, press return to (temporarily) save the change, and then push the "b" key to (try to) boot from the altered line.

If that works, make the change permanent by editing (as "root") /boot/grub/grub.conf.

If that doesn't work, can you boot F8 from you DVD (or CDs) in rescue mode? (Typically, just enter "linux rescue" at the first prompt.)

If so, use the chroot command as prompt.
First, check /boot/grub/grub.conf for "strange" boot options.
Remove the "strange" option.
Then run grub-install /dev/sda to re-install grub.

Note: The advice above is offered on the assumption that your problem has nothing to do with the memory you installed, and that you somehow "glitched" your hard drive when you had your box open.

Edit: Oh, the most common "glitch" is caused by a loosened drive cable connector, so first disconnect your drive cables (at both ends) and reconnect them. That might fix everything, and it's easy to do.

Last edited by PTrenholme; 11-20-2007 at 05:15 PM.
 
Old 11-21-2007, 07:57 AM   #3
9nine9
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Quote:
Originally Posted by PTrenholme View Post
The advice above is offered on the assumption that your problem has nothing to do with the memory you installed, and that you somehow "glitched" your hard drive when you had your box open.
Apparently, I didn't 'glitch' anything because when I took the new RAM stick back out, Fedora started normally.

Does that mean this is looking more and more like a RAM stick problem?
 
Old 11-21-2007, 03:15 PM   #4
J.W.
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Please post your thread in only one forum. Posting a single thread in the most relevant forum will make it easier for members to help you and will keep the discussion in one place. This thread is being closed because it is a duplicate.

Please continue here
 
  


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