[arch-general] 11 minutes mode

[Jorge Almeida]

On Tue, Jul 31, 2012 at 9:05 PM, Rodrigo Rivas
<rodrigorivascosta at gmail.com> wrote:
> On Tue, Jul 31, 2012 at 1:09 PM, Jorge Almeida <jjalmeida at gmail.com> wrote:
>
>> Anybody knows how to make sure that the kernel will not mess with the
>> hardware
>> clock every 11 minutes? The proper way would be to use a kernel that
>> doesn't
>> try to do it, but I want to use Arch's standard kernel, which has
>> CONFIG_GENERIC_CMOS_UPDATE=y.
>> Maybe something in /proc?
>>
>
>    "Use the source, Luke!"
>
> In the kernel source you can see that this option is only used in
> kernel/time/ntp.c, and it affects only the system call "adjtimex".
>
> And from "man adjtimex", it looks like it is called from ntp clients of the
> like... More investigation required...
>
The contents of Documentation/rtc.txt don't help much, either. And what about
adjtime(3), which is used by clockspeed? Does it trigger this imaginative
behavior too? This kind of stuff just should be documented...

Thanks

Jorge