Re: kernel panic/abort during boot

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On Thu, Dec 22, 2011 at 04:56:42PM -0600, Johnny Hughes wrote:
> 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.
> 

so it'll show up in a release channel (or CR repo) ?


-- 
---- Fred Smith -- fredex@xxxxxxxxxxxxxxxxxxxxxx -----------------------------
   "For the word of God is living and active. Sharper than any double-edged 
   sword, it penetrates even to dividing soul and spirit, joints and marrow; 
              it judges the thoughts and attitudes of the heart."  
---------------------------- Hebrews 4:12 (niv) ------------------------------
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