Date: Thu, 12 Feb 2009 14:16:52 +0000 From: Guy Dawson <guy@crossflight.co.uk> To: won.derick@yahoo.com Cc: freebsd-hardware@freebsd.org Subject: Re: Hardware clock is not SYNC'ed with kernel clock by ntpdate? Message-ID: <49942F54.4040201@crossflight.co.uk> In-Reply-To: <243201.37742.qm@web45806.mail.sp1.yahoo.com> References: <243201.37742.qm@web45806.mail.sp1.yahoo.com>
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Does the hardware clock show the correct UTC time? Your time zone appears to be PHT but the harware clock should be keeping UTC time. Guy Won De Erick wrote: > Hi All, > > I've done the following procedure to verify the unstable date/time being recorded in the hardware clock. > > I'm using IBM x343 with FreeBSD 6.2: > > 1. Rebooted the box. Entered a wrong date/time as: > Date: December 1, 2008 > Time: 12:00:00 > > 2. When the box was UP'ed, displayed the date (the box is sync'ed with an > NTP server during start-up). > > #date > Thu Feb 12 15:37:57 PHT 2009 > > It seems correct. > > 3. Change with a wrong date/time again, then displayed. > # date 0812301200 > Tue Dec 30 12:00:00 PHT 2008 > > # date > Tue Dec 30 12:00:14 PHT 2008 > > It seems correct. > > 4. Synchronized the date/time with an NTP Server. Then, displayed the date. > > # ntpdate ph.pool.ntp.org > 12 Feb 15:40:59 ntpdate[3094]: step time server 202.92.128.201 > offset 3814728.167216 sec > > # date > Thu Feb 12 15:41:33 PHT 2009 > > It seems correct. > > 5. Rebooted the box, then verified the system date/time at the BIOS config. > > System Time 07:43:50 > System Date Thu 02/12/2009 > > > Wrong TIME? I think the hardware clock was not properly SYNCed with the kernel clock. I've verified this with other box, and same thing happened. > > Is there any issues on using date and ntpdate? > > Thanks, > > Won > > > > > > > _______________________________________________ > freebsd-hardware@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hardware > To unsubscribe, send any mail to "freebsd-hardware-unsubscribe@freebsd.org" -- Guy -- -------------------------------------------------------------------- Guy Dawson I.T. Systems Manager Crossflight Ltd guy@crossflight.co.uk 07973 797819 01753 776104 ******************************************************************* This message contains the views and opinions of a Crossflight Limited employee and at this stage are in no way a direct representation of Crossflight Limited. Crossflight Limited is an international express courier, mailing and logistics service provider, and is authorised and regulated by the Financial Services Authority to conduct General Insurance Business. This communication and any attachments are confidential and may be protected from disclosure. We endorse no advice or opinion contained in this communication that is not the subject of a contract between the recipient and ourselves. If you have received it in error please notify us immediately and note that any storage, use or disclosure is strictly prohibited and may be unlawful. Those communicating with us by electronic mail will be deemed to have accepted the risks associated with interception, amendment, loss and late or incomplete delivery. They will also be deemed to have consented to our intercepting and monitoring such communications. This footnote also confirms that this message has been checked for the presence of computer viruses. We strongly recommend that you check this email with your own virus software as Crossflight Limited will not be held responsible for any damage caused by viruses as a result of opening this email. *******************************************************************
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