[Coco] My OVCC development environments and Ubuntu

[Joel Rees]

(Wow)(Thumbd-up)

2019年1月6日(日) 14:05、Walter Zambotti さん（zambotti at iinet.net.au）のメッセージ:

> Just thought I would share a (in retrospect) story regarding my dev setup
> and my
> recent experiences with setting up Ubuntu on a laptop.
>
>
>
> Nothing in depth hopefully more entertaining.
>
>
>
> In developing OVCC I have a number of systems ready setup for specific
> purposes.
>
>
>
> The list includes:
>
>
>
> Ubuntu Full Dev System.  This is where I develop AGAR and OVCC and all the
> libraries and
> main code are fully debuggable with extra assertion code for error
> trapping.
>
>
>
> Ubuntu Semi Dev System.  This is similar to the full dev but all libraries
> and code are optimised
> and all assertion code is disabled.
>
>
>
> Ubuntu deployment System. This is a clean Ubuntu build which I deploy the
> fully built optimised
> app.  It has no dev environment so I can identify missing components when I
> try to finally test the app.
>
> This was actually a very late addition to my systems, that I determined was
> necessary after already
> having released Linux OVCC for a day.
>
>
>
> Then I have the same environments again for Windows.
>
>
>
> These are not all separate systems and some are dual boot which is not
> ideal
> but unavoidable.
>
>
>
> I do most of my development on the Ubuntu systems as the turnaround time
> for
> an AGAR modification is
> less than 1 minute but under Mingw on Windows it takes 35 minutes on the
> same hardware.
>
>
>
> Now starts the story of the Ubuntu deployment system build.
>
>
>
> The system is a HP Pavilion DV4-3029TX.  Gen 2 I5 2 Core 4 thread. 2.3Gh.
> 8GB mem.  512GB SSD for Windows. 640GB HDD for Ubuntu.
>
> It has hybrid graphics Intel & Radeon.
>
>
>
> This is the system where all my initial experimentation for this project
> originally began.  From concept to prototype to early Alpha code.
>
>
>
> I had a spare 640GB HDD that I could attach via the USB 3 port so let's get
> started with the Ubuntu 18.04 LTS install from a live USB thumb
> drive.
>
>
>
> The first issue I ran into was that the Ubuntu installer refused to accept
> the HDD (from USB) was correctly partitioned.  I could even
> successfully use gparted from 'Try Ubuntu' but still it would refuse to
> install to it.
>
>
>
> The work around for this was to remove the Windows SSD from the drive bay
> rip the HDD out of it's USB case and plug it directly
> into the SATA drive bay.
>
>
>
> The next issue was the wifi adapter was unable to connect to my home access
> point.  It could see the AP but it would refuse to accept
> the correct password. Oh well connecting to the network is optional anyway
> when performing an Ubuntu install. Push on!
>
>
>
> The next issue was the show stopper. After successfully installing Ubuntu
> and rebooting the graphics was displayed upside down.
>
> But only the graphics were inverted not the mouse coordinates so I could
> never click on the right thing!
>
>
>
> I know my laptop was not equipped with accelerometers so what the heck.
> Even worse the screen would go black for about a
> minute and then display upside down for about 10 secs and continue to
> repeat
> this behaviour. I suspected the two built it graphics
> cards were competing for the screen.
>
>
>
> Why was this happening when the graphics displayed during the install was
> perfect?
>
>
>
> I managed to find an article (via another system) describing how to disable
> any graphic acceleration via the boot loader.
>
>
>
> I now had a usable system albeit only 1024*768 res.
>
>
>
> After connecting to my access point via an ethernet cable I applied all
> updates and installed all updated drivers.
>
>
>
> Still the graphics and network issues persisted.
>
>
>
> An update to the backport network drivers completely broke the wifi and
> that
> was quickly deinstalled leaving me with a
> wifi adapter that still refused to connect to my router.
>
>
>
> I then tried connecting to the hotspot of my mobile phone.  Hey that
> worked.
> Now I was annoyed with myself for not having
> done a little bit more basic troubleshooting in the first place!
>
>
>
> The wifi issue turned out to be a setting on my home AP security type.
> Even
> though it offered both WAP2+EAP & WAP+TKIP
>
> simultaneously. It wasn't until I turned off the EAP that Ubuntu would
> connect.
>
>
>
> Next I stumbled across an article where someone having the same graphics
> issue as myself on a very similar system had a
> response I almost rejected.
>
>
>
> The suggested solution was to uninstall the accelerometer driver from
> Ubuntu. But the laptop doesn't have one!
>
>
>
> After doing that the graphics worked as expected.  Go figure the
> accelerometer driver must forget to check if a system has
> such a device or not!
>
>
>
> So three days after starting my install I had finished.
>
>
>
> I then deployed the beta of Ubuntu OVCC and tested OVCC for the first time
> on a non development system.
>
>
>
> This all occurred while I was trying to release the Linux beta of OVCC.
>
>
>
> I have some big plans in store for OVCC so hopefully all goes well.
>
>
>
> Hoping you all have a great 2019.
>
>
>
> Walter
>
>
>
>
>
>
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>