On Fri, May 10, 2013 at 11:39 PM, Jan Kiszka <jan.kis...@siemens.com> wrote:
> On 2013-05-10 19:40, Nakajima, Jun wrote:
>> On Fri, May 10, 2013 at 9:33 AM, Jan Kiszka <jan.kis...@siemens.com> wrote:
>>> On 2013-05-10 17:39, Kashyap Chamarthy wrote:
>>>> On Fri, May 10, 2013 at 8:54 PM, Jan Kiszka <jan.kis...@siemens.com> wrote:
>>>>>
>>>>> On 2013-05-10 17:12, Jan Kiszka wrote:
>>>>>> On 2013-05-10 15:00, Kashyap Chamarthy wrote:
>>>>>>> Heya,
>>>>>>>
>>>>>>> This is on Intel Haswell.
>>>>>>>
>>>>>>> First, some version info:
>>>>>>>
>>>>>>> L0, L1 -- both of them have same versions of kernel, qemu:
>>>>>>>
>>
>> I tried to reproduce such a problem, and I found L2 (Linux) hangs in
>> SeaBIOS, after line "iPXE (http://ipxe.org) ...". It happens with or
>> w/o VMCS shadowing (and even without my virtual EPT patches). I didn't
>> realize this problem until I updated the L1 kernel to the latest (e.g.
>> 3.9.0) from 3.7.0. L0 uses the kvm.git, next branch. It's possible
>> that the L1 kernel exposed a bug with the nested virtualization, as we
>> saw such cases before.
>
> Hmm, no such issues here ATM although I'm on 3.9 for L1 as well.

Interesting. But Jan, you're not using an "Haswell" machine, right ?

>
> Jan
>
> --
> Siemens AG, Corporate Technology, CT RTC ITP SDP-DE
> Corporate Competence Center Embedded Linux
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