Subject: Re: System time & date thinks its in California not NYC
To: None <jmcneill@invisible.yi.org, rkr@rkr.kcnet.com>
From: Noriyuki Soda <soda@sra.co.jp>
List: port-i386
Date: 07/20/2000 23:15:00
> > I don't remember having to do anything special about dst.  (Can't you also
> > tweak it manually via a sysctl if you don't want to change the kernel &
> > reboot?)
> 
> kern.rtc_offset seems to be read-only. Would it be possible to change
> this?

No, it's impossible. Because the rtc_offset is referred at the time 
when root partition is mounted, changing rtc_offset at /etc/rc is
too late.
Please look at sys/ufs/ffs/ffs_vfsops.c:ffs_mountroot() ->
sys/arch/i386/isa/clock.c:inittodr().
--
soda