[ntp:questions] Frequency Error on Sun4v

Rick Jones rick.jones2 at hp.com
Thu Jun 26 00:29:46 UTC 2008

Brian Utterback <brian.utterback at sun.com> wrote:
> Do not even think about using NTP on a T1000, T2000, or T5120 until
> you have the latest firmware patch installed (nah-nah, wasn't
> hardware OR software. Or maybe both?).  There is a bug in all three
> that causes the firmware to report an incorrect clock frequency to
> the kernel on boot up. Interestingly, the bug in the T1000 and T2000
> is different from the bug in the T5120. See my blog post at
> http://blogs.sun.com/blu/entry/spread_spectrum_emi_and_the for an
> explanation of the T5120 issue.

Interesting write-up.  Not sure I understand all of it of course, but
interesting regardless.  Since no good deed goes unpunished and since
I have an insatiable curiousity I will ask :)

*) is that just the T5120 or is it more generally the T5X20?

*) is the T5X40 affected


rick jones
oxymoron n, commuter in a gas-guzzling luxury SUV with an American flag
these opinions are mine, all mine; HP might not want them anyway... :)
feel free to post, OR email to rick.jones2 in hp.com but NOT BOTH...

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