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Re: [Xen-devel] Dom0 hangs on boot, CentOS 5 x86_64

On Wed, 7 Nov 2007, Keir Fraser wrote:

If you can't boot 'acpi=off' with native Linux then that is not a good sign.
Your chances of booting on Xen without 'acpi=off' are small. When you
specify 'acpi=off' are you putting it on Xen's command line or dom0's? It
should be on Xen's -- if Xen and dom0 disagree about use of acpi then the
system is rather unlikely to boot.

Thank you for your help - it pointed me in the right direction. I was specifying acpi=off on just the dom0 Linux kernel. Adding acpi=noirq to the Xen kernel instead seems to have worked around the problem.

It's quite a sad state of affairs when an Intel board with a 2 month old BIOS has such big ACPI problems - I thought the BIOS vendors had squashed most of them these days. :(


 - Steve
   xmpp:steve@xxxxxxxxxxx   sip:steve@xxxxxxxxxxx   http://www.nexusuk.org/

     Servatis a periculum, servatis a maleficum - Whisper, Evanescence

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