[CentOS] kernel panic/abort during boot

Thu Dec 22 22:56:42 UTC 2011
Johnny Hughes <johnny at centos.org>

On 12/22/2011 04:46 PM, fred smith wrote:
> On Wed, Dec 21, 2011 at 08:30:23PM -0700, Corey Henderson wrote:
>> On 12/21/2011 8:23 PM, fred smith wrote:
> <snip>
>>
>> If you come up empty (all the same kernel modules exist in both) then 
>> it's likely a bug in some kernel module. The "emergency_shell" part of 
>> dracut may be useful in debug this. When you reboot, during the grub 
>> menu, add this to the kernel's command line:
>>
>> rdbreak=cmdline
>>
>> During the boot process, you'll get dropped to a command line, and can 
>> run some of the basic commands provided intisde the initramfs.
>>
>> If you look at the "init" file inside the initramfs, you can see the 
>> different points you'll end up with with different arguments to rdbreak; 
>> ie, pre-udev, initqueue, etc.
> 
> Having gotten nowhere, so far, I tried the above. I haven't any clue
> what would be helpful to do when it hits a "breakpoint", but I just
> typed "exit" to drop back out of the shell, a couple of times. it
> eventually got to where it said "starting udev" then a few seconds
> later the dump appeard on the screen again. but there seemed to be
> more of it shown so I took a photo of it. If you feel like taking a look
> to see if you can figure it out, you can find it at:
> 
> http://users.rcn.com/fredricksmith/dump.jpg
> 
> I don't know what any of it means, except that it mentions modprobe,
> and it appears that the stack trace has something to do with sound,
> perhaps modprobe croaks when loading/munging drivers for sound.
> 
> If anyone of you can make more sense of it than I, I'd appreciate
> the help.

There is a new kernel building right now that might
fix something ... though I do not see anything specifically about your cpu.

Here is the errata link:

http://rhn.redhat.com/errata/RHSA-2011-1849.html

If everything builds it should be released in a couple of hours.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 262 bytes
Desc: OpenPGP digital signature
URL: <http://lists.centos.org/pipermail/centos/attachments/20111222/e7821444/attachment-0004.sig>