On Mon, Feb 6, 2012 at 1:39 PM, <[email protected]> wrote: > Michael Mol <[email protected]> [12-02-06 19:20]: >> On Mon, Feb 6, 2012 at 12:51 PM, <[email protected]> wrote: >> > Hi, >> > >> > to get the correct system time I use ntp-client in the boot process. >> > Furthermore in /etc/conf.d/hwclock I set: >> > >> > # Set CLOCK to "UTC" if your Hardware Clock is set to UTC (also known as >> > # Greenwich Mean Time). If that clock is set to the local time, then >> > # set CLOCK to "local". Note that if you dual boot with Windows, then >> > # you should set it to "local". >> > clock="UTC" >> > >> > # If you want to set the Hardware Clock to the current System Time >> > # (software clock) during shutdown, then say "YES" here. >> > # You normally don't need to do this if you run a ntp daemon. >> > clock_systohc="YES" >> > >> > # If you want to set the system time to the current hardware clock >> > # during bootup, then say "YES" here. You do not need this if you are >> > # running a modern kernel with CONFIG_RTC_HCTOSYS set to y. >> > # Also, be aware that if you set this to "NO", the system time will >> > # never be saved to the hardware clock unless you set >> > # clock_systohc="YES" above. >> > clock_hctosys="NO" >> > >> > # If you wish to pass any other arguments to hwclock during bootup, >> > # you may do so here. Alpha users may wish to use --arc or --srm here. >> > clock_args="" >> > >> > In the kernel config file I had set: >> > >> > CONFIG_RTC_HCTOSYS=y >> > CONFIG_RTC_HCTOSYS_DEVICE="rtc0" >> > >> > I would exspect that after a reboot of the system which system time is >> > correctly set via ntp-client that the hwclock and system time only >> > differ in a small amount of time. >> > >> > But: >> > solfire:/home/mccramer>hwclock >> > Mon Feb 6 19:05:11 2012 -0.172569 seconds >> > solfire:/home/mccramer>date >> > Mon Feb 6 18:49:37 CET 2012 >> > solfire:/home/mccramer> >> >> I don't know the CET tz, but I can see that the minutes don't match >> up. I assume you rand the two commands within seconds of each other. >> Is this true immediately after bootup, or does it take a while to get >> that far off? It could be that your hardware clock is drifting, and >> the system won't reset it until it goes to shutdown. >> >> -- >> :wq >> > > Hi Michael, > thank you for your reply. > I set the configuration as mentioned above and booted twice with about > five minutes wait. > The commands were executed within seconds, yes. > All hardware clocks drifts, but this is not the problem. > The problem is that the hardware clock is not set to the system time > in contradiction to what I think the comments in the config are > saying. > > How can I fix that?
I don't really know. Are you sure that rtc0 corresponds to your hardware clock device? Does setting "clock_hctosys" to YES have any effect? Is this in some kind of virtual-machine or hypervised environment where something may be blocking the OS from setting the hardware clock? -- :wq

