On Sun, May 12, 2013 at 07:01:43PM +0530, Kashyap Chamarthy wrote:
> > So, from the above info shadow-vmcs is ruled-out. I'm trying to
> > investigate further, will post details if I have new findings.
>
> Update:
> ---------
>
> I just tried to create L2 w/ Fedora-19 TC4 compose of 11MAY2013, I
> contibuously see the below fragment (F18/F19, whatever the L2 guest
> is):
>
> --------------------
> ....
> [ 217.938034] Uhhuh. NMI received for unknown reason 30 on CPU 0.
> [ 217.938034] Do you have a strange power saving mode enabled?
> .[ 222.523373] Uhhuh. NMI received for unknown reason 20 on CPU 0.
> [ 222.524073] Do you have a strange power saving mode enabled?
> [ 222.524073] Dazed and confused, but trying to continue
> [ 243.860319] Uhhuh. NMI received for unknown reason 30 on CPU 0
> .....
> --------------------
> At the moment, L2 guest creation stuck at the above message
>
Are those in L2 dmesg or L1?
> However I have neither HPET or NMI Watchdog enabled on L0/L1. I checked it by:
>
> $ cat /etc/grub2.cfg | egrep -i 'hpet|nmi'
>
IIRC watchdog is enabled by default.
> I wonder if I'm missing something trivial, or maybe this is some kind
> of bug that needs more deeper investigation. But Jan Kiszka reported
> he isn't seeing any probs (but he isn't using "Haswell" ).
>
> Thanks.
--
Gleb.
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