On 09.08.2012 16:51, Russell Jones wrote:
> Hi all,
>
> I am
having an issue with time on some CentOS 5.2 dx360 M2 nodes.
> Whenever
the node boots up, it's system time is consistently 5 hours, to
> the
second, behind the hardware clock. In addition, it states at the top
>
during bootup "Could not access the hardware clock via any known
>
methods", and then right after that sets the system time to be exactly 5
> hours behind the hardware clock.
>
> Details:
>
> * BIOS clock is
set to local time properly, and maintains its time
> between reboots /
power cycles.
>
> * /etc/localtime is set to Chicago properly
>
> *
/etc/sysconfig/clock contains the following:
>
TIMEZONE="America/Chicago"
> UTC=false
> ARC=false
>
> * /etc/adjtime
contains the following:
> 0.0 0 0
> 0
> LOCAL
>
> I've ran out of ideas
on what is getting left behind that could be
> confusing the system
clock. The site table's timezone is set to
> "America/Chicago" as well.
I am unsure if this is a CentOS or xCAT
> configuration issue. Any
brainstorming ideas on what I could try would
> be greatly
appreciated.
>
> Thanks!
Thought I would add in what the output looks
like when this issue occurs:
At boot:
SELinux: Disabled at
runtime.
type=1404 audit(1344531308.511:2): selinux=0 auid=4294967295
ses=4294967295
INIT: version 2.86 booting
Welcome to CentOS release 5.3
(Final)
Press 'I' to enter interactive startup.
Cannot access the
Hardware Clock via any known method.
Use the --debug option to see the
details of our search for an access method.
Setting clock : Thu Aug 9
11:55:08 CDT 2012 [ OK ]
In the OS:
[root@system ~]# date
Thu Aug 9
11:56:05 CDT 2012
root@system ~]# hwclock
Thu 09 Aug 2012 04:56:08 PM
CDT -0.333130 seconds
[root@system ~]# hwclock --debug
hwclock from
util-linux-2.13-pre7
Using /dev/rtc interface to clock.
Last drift
adjustment done at 0 seconds after 1969
Last calibration done at 0
seconds after 1969
Hardware clock is on unknown time
Assuming hardware
clock is kept in local time.
Waiting for clock tick...
/dev/rtc does not
have interrupt functions. Waiting in loop for time from /dev/rtc to
change
...got clock tick
Time read from Hardware Clock: 2012/08/09
16:56:14
Hw clock time : 2012/08/09 16:56:14 = 1344549374 seconds since
1969
Thu 09 Aug 2012 04:56:14 PM CDT -0.756991 seconds
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