[tbot] Question regarding BBB (beagle bone black) tbot deployment

Tue Jan 15 09:51:16 UTC 2019

Hi Heiko,

> Hello Lukasz,
> 
> Am 14.01.2019 um 16:04 schrieb Lukasz Majewski:
> > Hi Harald,
> >   
> >> Hello Lukasz,
> >>
> >> On Mon, 2019-01-14 at 15:39 +0100, Lukasz Majewski wrote:  
> >>> Hi Heiko,
> >>>      
> >>>> Hello Lukasz,
> >>>>
> >>>> Am 14.01.2019 um 14:02 schrieb Lukasz Majewski:  
> >>>>> Dear All,
> >>>>>
> >>>>> I'd like to ask you if is there any meta-* layer for BBB (which
> >>>>> works with out of the box poky/meta-yocto-bsp layer) to create
> >>>>> core-image*.wic file for Beagle Bone Black ?
> >>>>>
> >>>>> The wic file is supposed to run from the SD card.
> >>>>>
> >>>>> Thanks in advance for help.  
> >>>>
> >>>> Hmm.. isn;t the BBB a yocto reference board which should work out
> >>>> of the box?  
> >>>
> >>> Yes. BBB is a yocto/OE reference board and has meta-yocto-bsp
> >>> support.
> >>>
> >>> The above is one reason - the second reason for using it is no
> >>> running parts on it (silence :-) ).
> >>>      
> >>>> I have here a BBB board, but did for some times no real tests,
> >>>> but saw in my old tbot config files (beside using meta-xenomai
> >>>> from Marek) no other meta layer used than "meta-openembedded"  
> >>>
> >>> I read your manual for old tbot:
> >>> https://www.tbot.tools/bbb_guide.html
> >>>
> >>> As fair as I can see it uses python 2.7.
> >>>
> >>> Unfortunately, new one https://rahix.de/tbot/install.html [*]
> >>>
> >>> relies on python3. At lease on my setup, I do need pathlib and
> >>> ntpath modules.
> >>>      
> >>
> >> New tbot requires python 3.6+.  I use a lot of features introduced
> >> in 3.6 which means that I can't support older versions.  
> > 
> > Ach.... I do see.
> > 
> > I think that BIG FAT note in the installation page that python 3.6+
> > is required would be helpful here (maybe I'm a bit old-fashion, but
> > I only distinct two python versions - 2.x and 3.x :-) ).
> >   
> >>  
> >>>
> >>> BTW: What is the "blessed" version of python3?
> >>>
> >>> The "thud" provides:
> >>> Python 3.5.6 (default, Jan 12 2019, 22:41:06)
> >>> [GCC 8.2.0] on linux
> >>>
> >>> When I do install paramiko via pip3 (as advised in [*]), I do see
> >>> following error:
> >>>
> >>> root at beaglebone-yocto:~/tbot# python3 setup.py install --user
> >>> random: python3: uninitialized urandom read (24 bytes read)
> >>>    File "setup.py", line 8
> >>>      about: typing.Dict[str, str] = {}
> >>>           ^
> >>> SyntaxError: invalid syntax
> >>>      
> >>
> >> Yes, this fails because type-annotations (what you are seeing in
> >> that error message) were introduced in python 3.6 while you try to
> >> run the code on 3.5.  That won't be possible, I'm afraid ...  
> > 
> > Ok.
> > 
> > Just one note - debian9 (stable) only supports 3.5.x python, so we
> > are a bit cutting edge with tbot now...
> >   
> >>  
> >>> Any help?
> >>>
> >>> (I'm also now testing the "stock" debian 9 image from
> >>> beaglebone.org webpage).  
> >>
> >> I am not quite sure what you are trying to do.  Do you intend to
> >> run tbot *on* the BBB?  
> > 
> > I do want to use BBB as a manager of the tbot "LAB" - in a sense as
> > Heiko did in the past.  
> 
> I ran/run tbot (also the new one) on raspberry pi not on BBB!
> 
> I used the BBB for testing yocto and xenomai builds on the BBB !

Ach... I saw a picture from you on which it was BBB on client's
side :-) (or I just wanted to see BBB there ... )

> 
> > The setup would be as follows:
> > 
> > - IP power cord
> > - IMX6Q DUT
> > - 24V power supply
> > 
> > - BBB (it would control the power strip - via eth and it I would
> >    have the serial <-> usb converter connected to DUT). It would be
> >    responsible for "local" management. I would have a separate build
> >    machine (with Jenkins or buildbot) to provide u-boot/kernel.  
> 
> Sounds standard tasks, I see no problems.
> 
> >    Why BBB? Small, cheap, silent.  
> 
> As I use the raspberry pi ;-)
> 
> >> Is your plan to use the BBB as a kind of CI
> >> runner?
> >>  
> > 
> > Yes, it will execute the tests (maybe with buildbot visualization -
> > if possible)
> > 
> > Or is there any better way to visualise results from local run of
> > tests? (And on the beginning I would like to test if u-boot is
> > build and runs on the board as well as kernel boots till prompt).
> >   
> >>  
> >>>> Also I had a fix sometime ago for the BBB console, see:
> >>>>
> >>>> http://git.yoctoproject.org/cgit.cgi/poky/commit/?id=81e48b24dd9c97a3bdda3b4140f8e2bda29d24da
> >>>>
> >>>> bye,
> >>>> Heiko  
> >>>
> >>> Best regards,
> >>>
> >>> Lukasz Majewski
> >>>      
> >>
> >> Cheers,  
> > 
> > 
> > 
> > 
> > Best regards,
> > 
> > Lukasz Majewski
> > 
> > --
> > 
> > DENX Software Engineering GmbH,      Managing Director: Wolfgang
> > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell,
> > Germany Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email:
> > lukma at denx.de 
> 

Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma at denx.de
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