time control on wolfpass BMC

郁雷 yulei.sh at bytedance.com
Wed Sep 9 12:30:16 AEST 2020


On Wed, Sep 9, 2020 at 1:54 AM James Feist <james.feist at linux.intel.com> wrote:
>
> On 9/8/2020 7:47 AM, Ivan Mikhaylov wrote:
> > Hey James, Ed, Is there any way to control RTC/PCH time inside BMC on
> > wolfpass?In intel-bmc rep there is the pch-time-sync service which is doing
> > sync.
> > The service just reads out date via i2c regs and do the sync with system time. I
> > didn't find any other utilities or something which can help with time set from
> > BMC.
>
> We default to NTP and use pch-time-sync as a fallback. NTP is configured
> by systemd-timesyncd https://wiki.archlinux.org/index.php/Systemd-timesyncd.
>

On our system, there is no i2c to pch, so we fetch the time from ME on
BMC boot, and then uses NTP to sync time.

-- 
BRs,
Lei YU


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