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RE: [Xen-devel] preempt causes x64 domU (Xen 3.0) to crash.

To: "Nicholas Lee" <emptysands@xxxxxxxxx>, "Xen development list" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] preempt causes x64 domU (Xen 3.0) to crash.
From: "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>
Date: Thu, 17 Nov 2005 22:31:43 -0800
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Thread-topic: [Xen-devel] preempt causes x64 domU (Xen 3.0) to crash.
Nicholas Lee wrote:
>  Xen version 3.0-devel (nic@localdomain) (gcc version 3.3.5 (Debian
> 1:3.3.5-13)) Fri Nov 18 17:51:36 NZDT 2005
>  Latest ChangeSet: Fri Nov 18 02:56:50 2005 +0100 7870:f6fdb6e0d3c9
> 
> 
> 
> This same config worked previously.

I guess this is a known issue. This hasn't been high priority to me, as
the value of preemption in virtualization was not clear to me. I'm aware
that some distros have preemption by default. So eventually we need to
fix; probably it should not be a big deal because 32-bit xenlinux works
fine with preemption enabled. Of course, fixes are welcome ;-).

Jun
---
Intel Open Source Technology Center

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