Re: [Xen-devel] Xen unstable crash

[Andrew Lyon <andrew.lyon@xxxxxxxxx>]

On Tue, Mar 17, 2009 at 10:20 AM, Andrew Lyon <andrew.lyon@xxxxxxxxx> wrote:
> On Tue, Mar 17, 2009 at 10:10 AM, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 
> wrote:
>> On 17/03/2009 10:00, "Andrew Lyon" <andrew.lyon@xxxxxxxxx> wrote:
>>
>>> This time I was able to start all 3 of the vm's I mentioned, they are
>>> setup to automatically boot up, run a chkdsk , then shutdown, , the
>>> two vista vm's completed the cycle and I was able to start them again
>>> before the error happened, this time it triggered just as one of them
>>> was shutting down:
>>
>> Can you try reverting some suspicious changesets?
>>  hg export 19317 | patch -Rp1
>>  hg export 19285 | patch -Rp1
>> Then re-build the hypervisor (no need to redo tools or kernel). To put the
>> tree back in a clean state afterwards:
>>  hg diff | patch -Rp1
>>
>>  Thanks,
>>  Keir
>>
>>
>>
>
> Building now... I noticed that both of those changesets touch multi.c,
> and I happened to notice this message was displayed before one of the
> crashes:
>
> (XEN) multi.c:3348:d12 write to pagetable during event injection:
> cr2=0x80392d74, mfn=0xb58bb
>
> Perhaps related?
>
> Andy
>

Reverting those two changesets did not stop the problem, I didn't get
the crash message this time because the scrollback buffer in my serial
console had been overwritten before I got a change to copy it, but it
looked the same as the others.

Andy

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