| To: | "mukesh.rathor@xxxxxxxxxx" <mukesh.rathor@xxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] c/s 18634 causing save/restore problem |
| From: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
| Date: | 2009年7月17日 08:03:07 +0100 |
| Cc: | Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx> |
| Delivery-date: | 2009年7月17日 00:03:36 -0700 |
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| In-reply-to: | <4A5FDBBD.7030707@xxxxxxxxxx> |
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| Thread-index: | AcoGhCd0WGD9XFmJTX6JzaUAZRGVuwAKHtrT |
| Thread-topic: | [Xen-devel] c/s 18634 causing save/restore problem |
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On 17/07/2009 03:02, "Mukesh Rathor" <mukesh.rathor@xxxxxxxxxx> wrote: > This on xen 3.4.0. We discovered that following would cause a PV guest (5u3) > to panic: > > - xm save guest > - xm restore guest > - xm save guest again <-- panic in _FIRST_CPU+0X0/0X1A > > We've narrowed it down to c/s 18634. Now we're trying to find out why that > change was made? Was that fixing some other bug? You should cc the patch contributor where possible. In this case it is Tim Deegan (cc'ed) and the patch looks like a straightforward and obviously correct bug fix to me, as pretty clearly explained in the changeset comment. Perhaps it has revealed a latent bug elsewhere? The patch is also in 3.3.1 by the way. Have you seen problems there too? -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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