Re: [Xen-devel] Re: VM Entry fails in changesets since 19095

[George Dunlap <George.Dunlap@xxxxxxxxxxxxx>]

I just did a "make mrproper" and re-built.  Still crashes.

I assume the automated test suites include a test with a 32-bit dom0
and a 64-bit hypervisor (which is my configuration)?

I narrowed it down to cs 18090.  With build of 18090 (plus a backport
of 18095 so that dom0 boots) the domain will crash, but with a build
of 18089 (plus a backport of 18095 for good measure) the domain will
boot fine.

Going to dig a little deeper...

 -George

On Wed, Jan 28, 2009 at 11:46 AM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:
> It's going to be a slightly subtle one since it works for and for our
> automated tests. It would be worth making sure you've done a 'make clean' in
> the xen directory -- I recently changed the dependency system, and I'm still
> not 100% sure of it yet. I actually got a broken image myself somehow, which
> was fixed by 'make clean', but I haven't tracked down the issue as yet.
>
>  -- Keir
>
> On 28/01/2009 11:05, "George Dunlap" <George.Dunlap@xxxxxxxxxxxxx> wrote:
>
>> I started to work on the fix for the PoD, only to discover that just
>> starting a normal HVM on recent -unstable build (no PoD enabled), the
>> domain crashes with invalid guest state.
>>
>> I did a binary search, and found that the change which breaks things
>> was introduced sometime between CS 19089 and 19095
>>
>> I'm still looking into it, but if anyone else has any ideas, they'd be
>> appreciated.
>>
>> I'm attaching a console log and cpuinfo.  The chip is an older one, a
>> dual-core Intel Conroe.
>>
>>  -George
>
>
>
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