FreeBSD 13.0-CURRENT #0 r358465 on rockpro64 and RTC

[Henri Hennebert]

On 3/8/20 9:18 AM, Henri Hennebert via freebsd-arm wrote:
> On 3/7/20 12:06 PM, Henri Hennebert via freebsd-arm wrote:
>> On 3/6/20 3:20 PM, Greg V wrote:
>>>
>>>
>>> Mar 6, 2020 3:21:03 PM Henri Hennebert via freebsd-arm :
>>>
>>>> Hello
>>>>
>>>> I am running FreeBSD 13.0-CURRENT #0 r358465 on a rockpro64 4GB with a
>>>> RTC BACKUP BATTERY HOLDER - CR-2032.
>>>>
>>>> (u-boot from https://wiki.freebsd.org/arm64/ROCKPro64 to run with the
>>>> 4GB and with hw.ncpu=4 in loader.conf)
>>>>
>>>> I tested the 3V of the battery.
>>>>
>>>> It seems that the RTC is not managed for now (time lost after power
>>>> off), is it correct?
>>>
>>> Hi, the RTC driver is not merged yet:
>>>
>>> https://reviews.freebsd.org/D22692
>>>
>> I try it and it work for me!
>>
> Strangely after a night off time is lost :-o

I change the battery (Duracell 2032). All was well but after 3 days the 
voltage drops from 3.2 to 2.98 V and the RTC lost the time and date.

So it's a hardware problem.
> 
> Henri
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