From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Jan Beulich" <JBeulich@suse.com>
Subject: Re: Kernel crash with acpi_processor,
 cpu_idle and intel_idle =y
Date: Thu, 26 Jul 2012 15:57:01 +0100
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To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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>>> On 26.07.12 at 16:05, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> wrote:
> So.. in that case make sure you have XEN_ACPI_PROCESSOR=y and
> "CONFIG_INTEL_IDLE is not set" and that should do it.

Didn't he say that with INTEL_IDLE disabled things work (perhaps
in a limited way, but at least don't crash)? My understanding is
that things should work even with it enabled, and I was under the
impression that you had already taken care of disabling cpuidle
and cpufreq in the kernel when running on Xen...

Jan