Issues with setting the timeofday

[Patrick Williams]

On Thu, Jul 07, 2016 at 09:52:36AM -0700, Rick Altherr wrote:
> If ntpd or systemd-timesyncd is running, this makes perfect sense.  Linux
> maintains current time in the kernel.  The hardware RTC is only used to
> load an initial time at boot and is written during shutdown.  When an NTP
> daemon is running and an NTP server is reachable, it will adjust the
> kernel's current time to match NTP time.  I believe with timesyncd, it
> simply steps time instead of slewing like ntpd does.
> 
> What are you trying to accomplish?  There is likely a way to do it if you
> can describe what you want to have happen.

It looks like maybe this is related to Github issue openbmc/openbmc#310.

    https://github.com/openbmc/openbmc/issues/310

> On Thu, Jul 7, 2016 at 6:06 AM, Vishwanatha Subbanna <vishwanath at in.ibm.com>
> wrote:
> 
> > hey Joel,
> >
> > Here is what I am seeing on one the Barreleye box that is running
> > "4.4.12-openbmc-20160606-1 : kernel". I can see that time gets set but
> > reverts immediately. Syncing what's in hwclock does not have any effect
> > too. Any thoughts ?
> >
> > root at barreleye:~# date -s '2016-12-25 12:34:56' ; hwclock -w
> > Sun Dec 25 12:34:56 UTC 2016
> >
> > root at barreleye:~# date
> > Thu Jul 7 13:07:37 UTC 2016
> >
> > root at barreleye:~# hwclock -r
> > Sun Dec 25 12:35:01 2016 0.000000 seconds
> >
> > root at barreleye:~# hwclock -s
> >
> > root at barreleye:~# date
> > Thu Jul 7 13:07:52 UTC 2016
> > root at barreleye:~#
> >
> > Thanks
> >
> >
> > -------------------------------------------------------------------------------------
> > Thanks and Regards,
> > Vishwanath.
> > Advisory Software Engineer,
> > Power Firmware Development,
> > Systems &Technology Lab,
> > MG2-6F-255 , Manyata Embassy Business Park,
> > Bangalore , KA , 560045
> > Ph: +91-80-46678255
> > E-mail: vishwanath at in.ibm.com
> >
> > ----------------------------------------------------------------------------------
> >
> > _______________________________________________
> > openbmc mailing list
> > openbmc at lists.ozlabs.org
> > https://lists.ozlabs.org/listinfo/openbmc
> >
> >

> _______________________________________________
> openbmc mailing list
> openbmc at lists.ozlabs.org
> https://lists.ozlabs.org/listinfo/openbmc


-- 
Patrick Williams
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: Digital signature
URL: <http://lists.ozlabs.org/pipermail/openbmc/attachments/20160707/42bc7de0/attachment-0001.sig>