Re: [Xen-devel] [PATCH 5/5] X86/vMCE: guest broken page handling when migration

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 22/10/12 20:26, Shriram Rajagopalan wrote:

On Mon, Oct 22, 2012 at 3:54 AM, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> wrote:

George Dunlap writes ("Re: [Xen-devel] [PATCH 5/5] X86/vMCE: guest broken page handling when migration"):

> On Fri, Oct 19, 2012 at 4:14 PM, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> wrote:

> > This looks plausible to me, as far as the tools go.  Can you explain
> > how you have tested this ?  Did you manage to do any tests of the
> > remus codepaths ?
>
> I'm pretty sure that this shouldn't cause any problems with Remus.  If
> it's difficult for Jinsong to test Remus, I think probably OK to
> commit it, and then revert it if the Remus guys have any problems.

OK.

You can easily test it with Remus. With xl, memory replication functionality is already

in place. so xl remus command should work.

Should "xl remus $domain localhost" work?  How would one test the fail-over mechanism?  Are there any other requirements for the guest, the kernel, &c?

I just ran the above command on xen-unstable, and after 10 minutes or so the guest crashed with some kind of a kernel double-fault.

Are we running any remus stuff in our testing infrastructure?

 -George

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