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[Xen-devel] compiling xen in AMD

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Kuriakose Mathew <kmathew123@xxxxxxxxx>
  • Date: Sun, 11 Oct 2009 07:42:25 +0530
  • Cc: james.harper@xxxxxxxxxxxxxxxx, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
  • Delivery-date: Sat, 10 Oct 2009 19:12:51 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hi all,

I am trying to compile  xen 3.1.3 from source . The existing OS in my machine is ubuntu 8.04. The make world and make install were successfull. I then made a initrd image using update-initramfs command (at /lib/modules) with -k linux version (since that is the linux kernel version corresponding to xen 3.1.3). Then I make the change in the boot/grub/menu.lst to point to the compiled images.

But while booting after a particular point ( usb: 3 ports detected ) . It is giving the error.

Check root = boot arg cat /proc/cmdline
or missing modules , devices.
cat /proc/modules ls dev

ALERT! /dev/disk/by-uuid/<uuid> does not exist dropping to a shell.

- I am sure the uuid given in menu.lst is right since it works for the original ubuntu installation . I changed uuid with /dev/sdax but then the error is /dev/sdax missing dropping to..(rest of the error is same) .My machine config is  AMD Phenom(tm) 9550 quad core processor. 64 bit.
Cpu Mhz :2204 .

- 1 thing I am doing is manually downloading the linux kernel and putting in the xen source directory.( It is the same version that xen is trying to download.) Will that be a problem?

- can it the problem of initrd or the xen compilation?

- It gives the same problem with ubuntu 7.04.

-Or is there some compiler option with AMD.

I have tried many possibilities and now run out of all options.
Please help.


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