[Macchiato] events_power_efficient sync_cmos_clock

Stuart Monteith stoo at stoo.me.uk
Thu Mar 1 20:51:13 GMT 2018


> On 1 Mar 2018, at 09:56, Ard Biesheuvel <ard.biesheuvel at linaro.org> wrote:
> 
> On 27 February 2018 at 23:19, Stuart Monteith <stoo at stoo.me.uk> wrote:
>> Hi Ard,
>> 
>>> On 26 Feb 2018, at 21:31, Ard Biesheuvel <ard.biesheuvel at linaro.org> wrote:
>>> 
>>> On 26 February 2018 at 21:09, Stuart Monteith <stoo at stoo.me.uk> wrote:
>>>> Hi,
>>>> 
>>>>  Running with the latest Leif firmware and the following kernel:
>>>> Linux version 4.14.0-3-arm64 (debian-kernel at lists.debian.org) (gcc version 7.3.0 (Debian 7.3.0-3)) #1 SMP Debian 4.14.17-1 (2018-02-14)
>>>> 
>>>> is anyone else getting the following? It doesn’t look good.
>>>> 
>>>> [   34.486041] Unable to handle kernel paging request at virtual address f0512014
>>> 
>>> This is the physical address of the serial port, and …
>>> 
>> Ouch, that sounds fundamental.
>> 
>>>> [   34.493305] Mem abort info:
>>>> >-8 Ugly Crash
>>> 
>> 
>> I don’t think it is a DEBUG firmware - there is little in the way of debugging output.
>> 
>> The date and time commands don’t produce any errors:
>> 
>> Shell> date
>> 02/27/2018
>> Shell> time
>> 20:52:19 (LOCAL)
>> Shell>
>> 
> 
> Could you try setting the date/time as well as just getting it? The
> crash appears to be in the set path.


Shell> date 03/02/2018
Julian 2458180, year 2018, month 3, day 2
Shell> date
03/02/2018

Shell> time 20:49:31
Julian 2458180, year 2018, month 3, day 2
Shell> time
20:47:49 (LOCAL)

So nothing untoward appears to occur.

BR,
   Stuart


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