[Arm-netbook] Crowsupply update
Luke Kenneth Casson Leighton
lkcl at lkcl.net
Sun Jan 14 10:04:07 GMT 2018
crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68
On Sun, Jan 14, 2018 at 7:50 AM, Richard Wilbur
<richard.wilbur at gmail.com> wrote:
> On Jan 13, 2018, at 15:11, Luke Kenneth Casson Leighton <lkcl at lkcl.net> wrote:
>> On Sat, Jan 13, 2018 at 10:05 PM, Richard Wilbur
>> <richard.wilbur at gmail.com> wrote:
>>> I was just wondering whether there were more GPIO lines we could test (by hook or by crook). My goal is the best test coverage.
>> i also have to think how to minimise testing time, as it will be
>> chargeable by the minute. either that or i do it... get *everything*
>> shipped to my apartment.... oooo i always wanted an ultra-low-power
>> beowulf clusterrrr... ooooo :)
> From what I've seen, I think we can automate a lot of this so it takes
> a second or two per card.
it'll be a bit longer than that :)
> I expect our tall tentpole (the thing
> that's holding everything up) will be booting the card. Do you know
> how long it takes the bootloader to come up from power on?
it's about 1-2 seconds :) there's a 3 second automated delay for
"user-input" which can be switched off.
> How long
> does it take GNU/Linux to get to user login after that?
initialisation of the linux kernel depends very much on which kernel
modules are compiled-in and which are modules, but let's say around
4-7 seconds. there is quite a lot of "delay" built-in, such as
waiting for sd-cards to initialise, or waiting for this to
initialise,waiting for that etc.
from /sbin/init to a full GUI is about another.... 10-15 seconds.
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