system time running too fast

Ben Dooks ben-linux at
Thu Nov 20 15:23:34 CET 2008

On Wed, Nov 19, 2008 at 10:08:04AM +0800, Christopher Hall wrote:
> Hello everyone,
>  I am in the process of trying to boot a system on S3C6410;
> basically the existing GTA02 root file system with a kernel
> from andy-tracking.
> I can get to /bin/sh and I am trying to see where the startup
> sequence fails so I added the lines
>   ps ax
>   /bin/sh
> to the end of /etc/init.d/rc
> when "ps ax" runs, just before the process
> listing is displayed, it outputs:
>   Unknown HZ value! (71) Assume 100.
> repeating the "ps ax"  at the shell prompt the error
> id repeated but the value 71 slowly increments to 94
> then the error disappears.
> By repeating the "ps ax" quickly I estimated around 8 sec for
> each increment.
> The initial 71 value was consistent over several reboots.
> Also using date/uptime/top to watch the clock; the system time
> appears to be running 2x too fast.  A short test was
> type "date", wait 60 seconds then type date "date" again
> system time had advanced 2 minutes.
> Perhaps both problems are related.  Any advice on where to look?
> And what information I should collect to help debug this.

I've found the problem, will post a patch as soon as tested.


Q:      What's a light-year?
A:      One-third less calories than a regular year.

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