Thread (10 messages) 10 messages, 4 authors, 2009-09-03

Re: time jumps forward/backwards

From: Ben Gamsa <hidden>
Date: 2009-09-03 12:49:39

Benjamin Gamsa wrote:
Benjamin Herrenschmidt wrote:
quoted
On Mon, 2009-08-31 at 23:57 -0400, Benjamin Gamsa wrote:
quoted
Sean MacLennan wrote:
quoted
On Mon, 31 Aug 2009 22:20:00 -0400
Benjamin Gamsa [off-list ref] wrote:
quoted
For what it's worth, the problem occurs even when ntp is not even
started.
This is grasping, but could it have anything to do with the jiffies
wrapping near startup?
I don't know how to test it, but I don't think so, since there are 
multiple of these glitches over an extended period of time.
I'm not familiar with all the FSL processor variants, but is this
an UP or an SMP platform ? In the later case, are all the core timebases
properly synchronized ?
This a UP with a single e500 core.
I take it from the lack of follow-ups that no one has any good ideas as 
to what might be going wrong?

Since the problem seems to be confined to situations where the date is 
around the epoch, I guess I'll just work-around the problem by setting 
the date to a more recent date on startup.

-- 
Ben Gamsa       ben@somanetworks.com
SOMA Networks   312 Adelaide St. W. Suite 600 Toronto, Ontario, M5V1R2
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