[Fedora-xen] RHEL4 DomU Update Problem

[Chris Lalancette]

Jim Klein wrote:
> Closer. It doesn't panic any more and even sees all the partitions and
> mounts, but stalls at the following point:
> 
> SCSI subsystem initialized
> Registering block device major 202
> Using cfq io scheduler
>  xvda: xvda1 xvda2 xvda3 xvda4 < xvda5 >
> device-mapper: 4.5.5-ioctl (2006-12-01) initialised: dm-devel at redhat.com
> kjournald starting.  Commit interval 5 seconds
> EXT3-fs: mounted filesystem with ordered data mode.
> SELinux:  Disabled at runtime.
> 
> Processor spins all the way up to 97 percent and sits there. An xm
> shutdown works (md: stopping all md devices. md: md0 switched to
> read-only mode. Power down.) so it seems to be stuck in a loop.

OK.  That probably means you are all the way booted, and just not seeing
the init output.  You can try one of two things here:

1)  Add "console=xvc0" to the kernel command-line when booting the
RHEL-4 kernel; that should force the init output to go to the serial
console.

2)  Use virt-manager to view the console.

At least there you should be able to see what is going on.

Chris Lalancette