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.
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