[arch-general] Systemd and time synchronisation problems

Thomas Bächler thomas at archlinux.org
Tue Sep 11 12:52:39 EDT 2012

Am 11.09.2012 18:17, schrieb mike cloaked:
> On Tue, Sep 11, 2012 at 5:16 PM, mike cloaked <mike.cloaked at gmail.com> wrote:
>> On Tue, Sep 11, 2012 at 11:59 AM, Thomas Bächler <thomas at archlinux.org> wrote:
>>> Your /etc/adjtime probably contains a faulty adjustment value. Delete
>>> it, hwclock --systohc, then reboot.
>> There is a problem running the hwclock command:
>> [root at lapmike3 etc]# hwclock --systohc
>> hwclock: Cannot access the Hardware Clock via any known method.
>> hwclock: Use the --debug option to see the details of our search for
>> an access method.
>> Any suggestion as to work around this?
> I tried:
> [root at lapmike3 etc]# hwclock --debug
> hwclock from util-linux 2.21.2
> hwclock: Open of /dev/rtc failed: Device or resource busy
> No usable clock interface found.
> hwclock: Cannot access the Hardware Clock via any known method.

I guess you need to stop chrony when playing with hwclock. Maybe it is
enough to just delete adjtime without that command.

Forgot to tell you (but it's probably too late now) to post the first
line of your /etc/adjtime, this would have told us if we are on the
right track.

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