[Xen-users] FW: Xen 3.3.2 with 2.6.30.2 under Centos

["Robert Dunkley" <Robert@xxxxxxxxx>]

No one seen this before? I just don't understand why my normal kernel
compile works fine but the Xen variant fails to find a boot device at
all. The most significant error I can see is Volume group "VolGroup00"
not found.

Does anyone know why this error might occur, I have the various LVM and
other Raid helper type options enabled in the Linux kernel and a plain
build of the same kernel works.


Thanks in advance,

Rob

-----Original Message-----
From: Robert Dunkley 
Sent: 10 August 2009 09:06
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Xen 3.3.2 with 2.6.30.2 under Centos

Hi Everyone,

I'm trying to do my first Xen Kernel compile under Centos 5.2 using Xen
3.4.1 and 2.6.30.2 kernel, I'm using bits of instructions from a Fedora
guide and bits from other places:
http://bderzhavets.wordpress.com/2009/07/07/building-xenified-2-6-30-1-k
ernel-via-xen-patches-2-6-30-2-tar-bz2/

My plain 2.6.30.2 compile works fine with the exception of a couple of
SELinux definition complaints. My Xen kernel fails though, initial boots
starts but I get a cannot find root file system error early in the boot.
I think I have managed to sort the various dependencies because the
compile does finish (Seems Xen-tools has a few dependencies). Any ideas
what might cause this error? (The test system is nothing exotic, it's an
Intel P4 with I875 Intel chipset)

Do I need to set Xen Compatibility code to nothing or 3.3X in the kernel
Menu-config? Anyone know why Infiniband options can be enabled in
2.6.30.4 but seem to be greyed out in 2.6.30.2?

Thanks,

Rob

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