HP technical support said there are no updates for BIOS for xw6200 to
enable/disable VT and moreover they dropped model xw6200. So I am not sure if
they will put any efforts for BIOS update.
Suman Kanuganti
Linux Engineer
San Diego, CA
http://www.skinetwork.org
ski@xxxxxxxxxxxxxx
- Powered by Linux
----- Original Message ----
From: Mark Williamson <mark.williamson@xxxxxxxxxxxx>
To: xen-users@xxxxxxxxxxxxxxxxxxx
Cc: Suman K <kanugantisuman@xxxxxxxxx>
Sent: Monday, April 30, 2007 7:53:49 AM
Subject: Re: [Xen-users] Xeon processor and no VT?
Some machines don't have BIOS support for enabling VT. If you want to check
whether there's any way to make this work you could maybe have a look to see
if there's a BIOS update that will enable functionality (or call the
manufacturer and ask them what's up).
Cheers,
Mark
On Monday 30 April 2007, Suman K wrote:
> I have xen working on Intel(R) Xeon(TM) CPU 3.40GHz, its a HP xw6200
> workstation. I thought all the Xeon processor come with VT. Here is a link
> http://www.intel.com/products/processor_number/chart/xeon.htm
> I search numerous pages from Intel and everything says Xeon processor
> supports VT. This machine seem to have a E7525 chipset. Still, xen
> complains about no VT. I am just so confused at this point and trying to
> find out if I have the wrong processor or missing something. I search all
> BIOS, it does have an option for VT enable disable but does have HT.
>
> I would really appreciate any ideas or experience in this regard?
>
> Thanks,
>
>
> Suman K
> Linux Engineer
> San Diego, CA
>
> http://www.skinetwork.org
> ski@xxxxxxxxxxxxxx
> - Powered by Linux
>
> ----- Original Message ----
> From: Tim Post <tim.post@xxxxxxxxxxx>
> To: Steve Wray <steve.wray@xxxxxxxxx>
> Cc: xen-users@xxxxxxxxxxxxxxxxxxx
> Sent: Sunday, April 29, 2007 8:39:25 PM
> Subject: Re: [Xen-users] xen 2.0.6, on_crash = 'restart' not restarting
> after crash
>
> On Mon, 2007-04-30 at 09:35 +1200, Steve Wray wrote:
> > Hi all,
> >
> > We have a xen instance (under xen 2.0.6) thats pretty unreliable; the
> > domU crashes fairly regularly.
>
> If you must use Xen v2, try 2.0.7 (or the last 2.0-testing Mercurial).
> 2.0.7 isn't the most feature packed release but it is extremely stable.
>
> I'd really recommend upgrading to 3.0.4-testing or 3.0.5-testing (I
> think its at rc4 now) unless you depend on an older kernel version. I
> have some that have to stay at 2.0.7 until I find a better fit for PV
> open SSI clusters.
>
> > Yes, we are trying to figure out why, but in the meantime I discovered
> > that there is a config option 'on_crash'.
> >
> > We've implemented this in the config file for that xen domain and we
> > have this in the config file for the domain:
> >
> > restart = 'always'
> >
> > on_crash = 'restart'
>
> This really depends on Xen's ability to see the dom-u as 'crashed'.
> Typical 'crashes' on older kernels don't look much different to Xen than
> a running or blocking state.
>
> Examples would be, if its non responsive and shown as running, the guest
> is most likely just spiraling out of control.
>
> If its non responsive and blocking, any number of things could be going
> wrong, but Xen doesn't see it. Unless its a full out kernel panic, most
> likely Xen 2 won't see your guests crash.
>
> Can you give more details of the crash?
>
> > The domain has indeed crashed since this was implemented and did not
> > appear to recover, at least not for the 6 minutes we gave it to restart
> > the domain:
> >
> > [2007-04-30 09:06:19 xend] INFO (XendRoot:112) EVENT> xend.domain.exit
> > ['domUhostname', '14', 'crash']
> > [2007-04-30 09:06:19 xend] INFO (XendRoot:112) EVENT>
> > xend.domain.destroy ['domUhostname', '14']
> > [2007-04-30 09:06:20 xend] INFO (XendRoot:112) EVENT> xend.domain.died
> > ['domUhostname', '14']
> > [2007-04-30 09:12:03 xend] DEBUG (XendDomainInfo:720) init_domain>
> > Created domain=15 name=domUhostname memory=1200
> > [2007-04-30 09:12:03 xend] INFO (console:94) Created console id=14
> > domain=15 port=9615
> >
> >
> > And are there any other things we can do to restart a domain after a
> > crash?
>
> Many people favor some kind of key pairing to enable a centralized
> monitor to be able to restart guests in the event of failure, even with
> newer versions of Xen, or using the API.
>
> If you aren't depending on a very specific older patched kernel, I'd
> just move up to 3.0.4-testing. 3.0.5-testing has been pretty stable too.
>
> Hope this helps,
> --Tim
>
>
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--
Dave: Just a question. What use is a unicyle with no seat? And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!
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