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Re: [Xen-devel] xen trouble while guest excute float app
| To: | Tim Deegan <Tim.Deegan@xxxxxxxxxx>, ywzheng <ywzheng@xxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] xen trouble while guest excute float app |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | Mon, 6 Sep 2010 04:54:52 -0700 |
| Cc: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Mon, 06 Sep 2010 04:56:06 -0700 |
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| In-reply-to: | <20100906103254.GD26757@xxxxxxxxxxxxxxxxxxxxxxx> |
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| Thread-index: | ActNrvjiuJzsuFRkQAKCkDhoOpelyAAC1ecF |
| Thread-topic: | [Xen-devel] xen trouble while guest excute float app |
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On 06/09/2010 03:32, "Tim Deegan" <Tim.Deegan@xxxxxxxxxx> wrote: > At 02:51 +0100 on 06 Sep (1283741502), ywzheng wrote: >> When I use ?xm migrate ?live win1 hosta?, (hosta is the same computer), >> sometime print f = -1.#IND0, sometime goto BUG(). Why()? >> >> Then I use xen-4.0.1-rc6, the same thing happen. Is this a BUG of xen? > > Yes, this bug was introduced by Intel's patches to support XSAVE, which > broke save/restore. Unfortunately it was only fixed very recently so > it's not fixed in 4.0.1; you'll need the very latest 4.0-testing Xen. Or you can just add no-xsave to the Xen command line. > Cheers, > > Tim. > >> My CPU is Intel Xeon L5408.When I use other CPU, for example Xeon L5420,I >> rarely meet the problem. >> >> 2010-09-06 >> ________________________________ >> ywzheng _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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