Greer Reichow wrote:
> Thanks for the help.  Can anyone give me the firmware patch number to 
> make sure I have the right one?

For LDom 1.0.2, I am in the process of testing 136932-01 for the T5x20.

I believe the T2000 one is 136927-01. The numbers are listed on the LDom 
1.0.2 download page.

Note, these are 1.0.2 patches, not 1.0.1. I was running 1.0.2 with the 
1.0.1 patch, as 136932-01 had not been released yet.

Steffen

> 
> Thanks again,
>  Greer
> 
> On 4/13/08, *Kevin Rathbun* <Kevin.Rathbun at sun.com 
> <mailto:Kevin.Rathbun at sun.com>> wrote:
> 
>     On Sun, Apr 13, 2008 at 03:05:49PM -0400, Steffen Weiberle wrote:
>      > Greer Reichow wrote:
>      > > All,
>      > >  I've come across aan interesting problem I'm hoping someone
>     has seen
>      > >
>      > > I have the following in a development environment:
>      > > 1)T2000 - 8 core, 32GB RAM
>      > > 2)T5120 - 8 core, 32GB RAM
>      > > 3)Symmetricom S250 GPS NTP Server
>      > >
>      > > Both the T2k & 5120 are built off the same jumpstart images
>     (solaris 08/07) with ~ 4 ldoms each.  Each LDOM is configured with
>     4CPUs and 2 GB RAM. We are running ntp client version 4.2.4
>     downloaded from sunfreeware.com <http://sunfreeware.com>.  LDOM
>     level is 1.0.1 currently
>      > >
>      > > Each LDOM on both machines is running the same ntp.conf file:
>      > > server <ip> minpoll 4 maxpoll 4 prefer
>      > > driftfile /var/ntp/ntp.drift
>      > >
>      > > While I know this wouldn't be ideal in a large deployment, the
>     fact that I have a private DNS stratum 1 server and few clients
>     allows me to set the time polling fairly tight.
>      > >
>      > > Here is the interesting part:
>      > > Results of ntpq -c peers
>      > >
>      > > 5120:
>      > > delay    offset    disp
>      > > .061      37.037    0.12
>      > >
>      > > T2000:
>      > > delay    offset    disp
>      > > .062      .04        0.14
>      > >
>      > > Why am I getting such disparate results in offset?  The project
>     I'm developing this for has very strict timing requirements that the
>     T2000 seems to meet (< 10ms accuracy) that the newer 5120 doesn't
>     meet.  Has anyone seen something similar?  Right now this is
>     pointing at a hardware issue, but I want to eliminate the ldom code
>     as a problem
>      >
>      > There are clock drifts on the systems that are greater than what
>     NTP can
>      > handle. Came across this myself just last week.
>      >
>      > There are /etc/system settings described in Change Request
>     6630235 based
>      > on CPU clock frequency.
>      >
>      > I am looking for a public document that describes these.
> 
> 
>     Not sure about a public doc but here's other info.
> 
>     6682970 Clock drift on N2 platforms (Glendale, Monza & Turgo) due to
>     spread spectrum
>     6676309 Clock drift in Huron due to spread spectrum
> 
>     http://blogs.sun.com/blu/entry/spread_spectrum_emi_and_the
> 
>     kvn
> 
> 
> 
>      >
>      > Steffen
>      >
>      > > Thanks,
>      > >  Greer
>      > > --
>      > > This message was posted from opensolaris.org
>     <http://opensolaris.org>
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> 
> 
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