I am trying to migrate an existing working xen setup
which was based on xen 3.1.0 tarballs as they were available
at xen.org. Underlying distro is RHEL5.
I am now trying to use the not-really-xen3.1.0-but-almost
xen that comes with RHEL5 update 1.
Host was 64-bit dom0. first domU was PAE 32-bit, both from xen 3.1.0
tarballs.
Now I have installed kernel-2.6.18-53.1.4.el5xen on the dom0.
That boots up fine. I tried to start up the domU first with
the old 2.6.18-xen kernel (32-bit PAE) that was working before. That
also started up OK, although it did crash once.
The question is--how to get the 32-bit PAE kernel from
RedHAt installed and booting in the domU. I tried both
2.6.18-53.1.4.el5xen (32bit) and 2.6.18-53.1.4.el5PAE (32bit)
the former cannot find the root system file system of the domU. I get the
following error:
mount: could not find filesystem '/dev/root'
Setting up other filesystems.
Setting up new root fs
setuproot: moving /dev failed: No such file or directory
no fstab.sys, mounting internal defaults
setuproot: error mounting /proc: No such file or directory
setuproot: error mounting /sys: No such file or directory
Switching to new root and running init.
unmounting old /dev
unmounting old /proc
unmounting old /sys
switchroot: mount failed: No such file or directory
Kernel panic - not syncing: Attempted to kill init
-----------------
If I compare between the 2.6.18-xen kernel from xensource which
works, and this one that doesn't, I see that I am missing
the modules ide-disk.ko, libusual.ko, usbcore.ko, usb-storage.ko
The usb modules should be irrelevant since there is no usb on this
machine.
alas, the ide-disk.ko module which seems to be the key one isn't even
there at all in the redhat ersion of the kernel.
----------------------
If I try to load the PAE version of the kernel instead, I get the
following error message:
VmError: (2, 'Invalid kernel', 'xc_dom_parse_elf_kernel: ELF image has no
shstrtab\n')
Any clue what may be going on?
Does anyone else have a RHEL 5 update 1 system working with 64-bit host,
32 bit PAE guests?
Thanks
Steve Timm
--
------------------------------------------------------------------
Steven C. Timm, Ph.D (630) 840-8525
timm@xxxxxxxx http://home.fnal.gov/~timm/
Fermilab Computing Division, Scientific Computing Facilities,
Grid Facilities Department, FermiGrid Services Group, Assistant Group Leader.
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