Re: [Xen-devel] stubdom crash, xen 4.2.1, libxl

[Marek Marczykowski <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

On 17.04.2013 17:54, Anthony PERARD wrote:
> On Mon, Apr 15, 2013 at 10:24 PM, Marek Marczykowski
> <marmarek@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>> On 10.04.2013 15:33, Marek Marczykowski wrote:
>>> On 10.04.2013 15:29, Ian Campbell wrote:
>>>> On Tue, 2013-04-09 at 15:27 +0100, Marek Marczykowski wrote:
>>>>> Hi all,
>>>>>
>>>>> I've tried to use stubdom under xen 4.2. The same config that worked with 
>>>>> xen
>>>>> 4.1, crashed with xen 4.2.
>>>>
>>>> You mean the stubdom itself crashed?
>>>
>>> Yes.
>>>
>>>> Are you able to capture its console?
>>>
>>> It crashed before any output on console. Only visible with "c" state on xl
>>> list. When I've attached to it via gdbsx it point out first line of main(), 
>>> so
>>> stubdom code doesn't even begin to execute. I can provide core dump if it 
>>> can
>>> help.
>>
>> Can anyone send me working config for HVM with stubdom for xl (4.2)?
> 
> Hi,
> 
> if that help, I've got a stubdom config file, it run on xen-unstable,
> but I don't expect there is any change, config file point of view,
> since 4.2.

Thanks.

I've found the problem. Backtrace was misleading, there was called do_exit(),
not just at the beginning, but after some qemu initialization. And this
do_exit() actually was inside of my code added to stubdom... I didn't figured
it out in the first place, because I've checked wrong log file.

Sorry for the noise.

-- 
Best Regards / Pozdrawiam,
Marek Marczykowski
Invisible Things Lab

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