udev hangs at startup; how to debug?

[Bob Chiodini]

Neil,

Add -x to the #!/bin/bash line in /sbin/start_udev.  That will spew tons 
of info to the console.  It might give you some indication where 
start_udev is hanging.

Give the list some more info about the computer, motherboard, disk, etc.

Bob...

Neil Bird wrote:
>
>   After updating a friends FC6 upgrade from FC4, which had gone a 
> little awry, I'm left with a system that hangs at starting udev, 
> shortly followed by  init killing /sbin/start_udev and then a kernel 
> panic.
>
>   Any ideas how to go about debugging this?
>
>
>   I've tried noprobe, nousb, nopcmcia, noudev to no avail.  I can 
> currently only get in via the rescue-boot off the install DVD.
>