Re: Kernel Panic is making me panic

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On 03/02/2012 03:35 PM, Arthur Dent wrote:
On Fri, 2012-03-02 at 13:33 -0800, Rick Stevens wrote:
On 03/02/2012 12:40 PM, Arthur Dent wrote:
Hello all,

On Feb 29 my Fedora 16 box updated itself (I'm not wild about the only
options being completely manual update or completely automatic update -
but that's another story). It must have updated the Kernel because the
next day when I turned on the PC I had a kernel panic (details below)
and the machine failed to boot.


Looks like either dracut didn't put the driver you need for your hard
drive in the ramdisk image or the grub configuration is telling it to
use the wrong root partition.  Check the grub config first and make sure
the entry for the faulty kernel has the same root partition as the
working kernel.

Ah yes! Thanks for pointing me in the right direction.

Looking at my /etc/grub2.cfg I noticed that the stanza for the most
recent kernel was the same (except for kernel version) in every respect
as its predecessor - EXCEPT that it lacked the line:
initrd /boot/initramfs-3.2.7-1.fc16.i686.PAE.img

Looking in /boot I see that the following files are present:
config-3.2.7-1.fc16.i686.PAE
System.map-3.2.7-1.fc16.i686.PAE
vmlinuz-3.2.7-1.fc16.i686.PAE

but NO initramfs-3.2.7-1.fc16.i686.PAE.img !

I have done a yum reinstall kernel-3.2.7-1.fc16.i686.PAE and I am now
speaking to you from that new kernel!

Great! Glad to hear it and very happy to have helped.

It has however pointed up to me the fact that the last yum update did
not complete properly and there are several (about 24) other errors. I
will make that the subject of another post.

Thank you once again.

Yes, one should always keep an eye on updates. I never permit automatic
updates...I always want to watch it when it happens to catch glitches
like that. Also, keep an eye on the /var/log/yum.log file--just in case!
----------------------------------------------------------------------
- Rick Stevens, Systems Engineer, AllDigital    ricks@xxxxxxxxxxxxxx -
- AIM/Skype: therps2        ICQ: 22643734            Yahoo: origrps2 -
-                                                                    -
-                Huked on foniks reely wurked for me!                -
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