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Old 05-09-2009, 04:25 PM   #1
Anorak
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Exclamation Upgraded from Intrepid to Jaunty and getting terrifying error messages


Hello, everyone. I'm completely at a loss over this and any assistance would be hugely appreciated. So I had Intrepid, and I do the usual upgrade-manager -d, everything *seems* to be going fine. I reboot. It boots up with a series off messages about xserver, and ends up in low graphics mode. Since the same thing happened when I went from Hardy to Intrepid, I knew what to do. GRUB was still looking up the Intrepid kernel, so I update menu.lst to find the new Jaunty kernel and rebooted again. Now I'm getting these two messages, which are both very, very scary. After some research I found out what the second one means, but the first is still a mystery. When I try to start it up, it shows these two messages right away and there's no option to do anything else but look at them, hit reset, and a few moments later see them again.

These are the messages in question:
Quote:
0.020788 ACPI: Aborted because bad gzip magic numbers

3.216875 Kernel panic - not syncing: VFS: Unable to mount root FS on unknown block (0,0)
Did I break something? Please

Last edited by Anorak; 05-09-2009 at 04:34 PM.
 
Old 05-09-2009, 05:57 PM   #2
syg00
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That looks like an initrd problem - did you update that as well ?.
I never use the upgrade - seems to generate too many problems (I do a full re-install).
 
Old 05-09-2009, 06:48 PM   #3
Anorak
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No, I admit I didn't, though evidently, I should have. I was just doing the same thing I did when I upgraded last time, and that time the only issue had been updating the entry in Grub. This time...not that simple.

Also, since it seems important, as per some advice I got on the Ubuntu forums themselves, I tried adding noapic and nolapic to it from Grub before booting, and the message changed to this:

Quote:
0.020788 ACPI: Aborted because bad gzip magic numbers

0.028059 BIOS bug, local APCI #0 not detected!

0.028111 ...forcing use of dummy APIC emulation (tell your hw vendor)

49.400881 kerbnel panic - not syncing : VFS: Unable to mount root fs on unknown block (0,0)

That looked scary, so I tried again without those options, and it returned to the original message.


But anyways, right now I'm getting myself a Jaunty liveCD and I've got a GParted CD, a Knoppix CD, a Super Grub Disk, and a pile of blank DVDs to work with. What to you suggest?
 
Old 05-09-2009, 08:31 PM   #4
syg00
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The initrd is the line following the kernel line in the menu.lst - they need to match. If you found the new kernel, the initrd should be there as well, so update both lines as a first test.
All those messages aren't of (major) concern - except the last. And that indicates (most likely) a problem with the initrd.

I prefer to maintain /home on a separate partition - then you can do a full install for the new level. Have a look at this thread - the link I cite in the last post looks handy if you choose to go that way.
 
  


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