From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: "Zhao, Yunfeng" <yunfeng.zhao-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: ABAT Testing report, kernel 3415130f97.., userspace 5b16d32e..
Date: Mon, 06 Aug 2007 18:33:11 +0300 [thread overview]
Message-ID: <46B73F37.7090609@qumranet.com> (raw)
In-Reply-To: <10EA09EFD8728347A513008B6B0DA77AA3EFBD-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
Zhao, Yunfeng wrote:
>> I ran the same image under qemu 0.9.0, uniprocessor, and got the same
>> results: high host cpu usage while the guest is idle. Most likely the
>> BIOS ACPI tables are misconfigured and the Windows idle loop is
>>
> confused.
>
>> Do Xen SMP ACPI guests exhibit the same issues? If not, they have
>> probably fixed this issue in their bios.
>>
> [Yunfeng] Xen hasn't the issue.
>
Xen uses rev 2 acpi tables while the bochs bios uses rev 1. Maybe the
Windows smp kernel distrusts rev 1 acpi.
--
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next prev parent reply other threads:[~2007-08-06 15:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-06 7:45 ABAT Testing report, kernel 3415130f97.., userspace 5b16d32e Zhao, Yunfeng
[not found] ` <10EA09EFD8728347A513008B6B0DA77A01E00DB0-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-08-06 7:48 ` Avi Kivity
[not found] ` <46B6D259.6030503-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-08-06 8:00 ` Zhao, Yunfeng
[not found] ` <10EA09EFD8728347A513008B6B0DA77AA3EFB7-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-08-06 12:03 ` Avi Kivity
[not found] ` <46B70DF8.9080401-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-08-06 13:41 ` Avi Kivity
[not found] ` <46B72513.3010301-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-08-06 13:55 ` Zhao, Yunfeng
[not found] ` <10EA09EFD8728347A513008B6B0DA77AA3EFBB-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-08-06 14:50 ` Avi Kivity
[not found] ` <46B7352C.2060700-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-08-06 14:53 ` Zhao, Yunfeng
[not found] ` <10EA09EFD8728347A513008B6B0DA77AA3EFBD-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-08-06 15:33 ` Avi Kivity [this message]
2007-08-08 9:54 ` Zhao, Yunfeng
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