[Cuis-dev] Question re: recent updates (4342)

[Juan Vuletich]

On 8/16/2020 11:55 PM, Phil B via Cuis-dev wrote:
> That appears to fix the hang when applying 4342, but when I save and 
> quit the image still hangs on restart (white screen).

In the recent large changes to Morphic I introduced an unrelated bug 
that wouldn't be apparent until saving and restarting the image. I just 
pushed a fix to GitHub.

I tested a bit, and I hope it is ok now.

Thanks for reporting!

>
> On Sun, Aug 16, 2020 at 4:29 PM Juan Vuletich <juan at jvuletich.org 
> <mailto:juan at jvuletich.org>> wrote:
>
>     Wow. I think there was a random process scheduling bug. It worked
>     OK if installing updates from another starting point (I don't even
>     remember which), but not if starting from #4322.
>
>     I just pushed a new version of update #4342. The fix was to add a
>     Delay after spawning the new Morphic process, to give it time to
>     be setup before interrupting it. It seems to work now. Please try it.
>
>     Thanks, Phil!
>
>     On 8/16/2020 11:59 AM, Phil B via Cuis-dev wrote:
>>     This was my starting point: https://github.com/pbella/4322
>>
>>     On Sun, Aug 16, 2020 at 9:52 AM Phil B <pbpublist at gmail.com
>>     <mailto:pbpublist at gmail.com>> wrote:
>>
>>         Juan,
>>
>>         This isn't trying to update a development image, it's trying
>>         to reproduce the base image in the repo.  My starting point
>>         was a 4322 base image.  So the issue is one of not being able
>>         to reproducibly apply the updates.
>>
>>         Thanks,
>>         Phil
>>
>>
>>         On Sun, Aug 16, 2020, 7:35 AM Juan Vuletich
>>         <juan at jvuletich.org <mailto:juan at jvuletich.org>> wrote:
>>
>>             On 8/15/2020 12:24 PM, Phil B via Cuis-dev wrote:
>>>             Nope, that didn't fix it.  When I restart the image, it
>>>             hangs.  Not sure what's different with my environment
>>>             re: 4342 but it looks like it's got problems.
>>>
>>>             On Sat, Aug 15, 2020 at 11:10 AM Phil B
>>>             <pbpublist at gmail.com <mailto:pbpublist at gmail.com>> wrote:
>>>
>>>                 Something about 4342 results in a VectorGraphics
>>>                 (font?) dependency which I didn't see a message for
>>>                 until I interrupted the hanging image.   I ended up
>>>                 removing the #beSilent: code and setting author
>>>                 initials manually while starting to troubleshoot
>>>                 which then solved the problem so that's as far as I
>>>                 took it before moving on to the next issue.
>>>
>>>                 On Fri, Aug 14, 2020 at 12:59 PM Phil B
>>>                 <pbpublist at gmail.com <mailto:pbpublist at gmail.com>>
>>>                 wrote:
>>>
>>>                     When I just tried to update my image, the image
>>>                     hangs while processing 4342.  I see the
>>>                     Transcript message that says 'Please restart
>>>                     [Install New Updates]' but the UI is frozen...
>>>
>>>                     Thanks,
>>>                     Phil
>>>
>>
>>             Hi Phil,
>>
>>             For most people, the general advice is to just use a new,
>>             updated image from the repo. In general, I think that
>>             keeping own work separate from the image, and loading it
>>             every day, is the best workflow. It works for me.
>>
>>             Still, if you want to update your personal image, use the
>>             FileList to take a look at update #4342. See what it
>>             does. It does only what it says: It removes an unused
>>             ivar from HandMorph. Just not applying this update will
>>             not have serious consequences. This can be done by
>>             editing the doIt in the changeset. In your image,
>>             HandMorph will still have an unused ivar. It is not a big
>>             deal.
>>
>>             Another alternative, of course, is to debug the problem.
>>             Extract the doit from the changeset. Evaluate it in a
>>             Workspace. If it crashes, repeat with smaller parts. Can
>>             you fork a process that just sets a global variable? If
>>             so, can you make it print to Transcript. (This is an
>>             extremely useful technique when messing with Morphic
>>             itself, that's why we have a Transcript that runs
>>             independent of Morphic). Ok. Can you stop the Morphic
>>             process and start a new one? Can you redefine class
>>             HandMorph with the same definition as it has today? And
>>             so on. Part of what comes with the personal mastery of
>>             your own image is this. Its problems are also yours!
>>
>>             If all this fails, you can make your image available to
>>             me and I'll take a look.
>>
>>             Cheers,
>>
>>             -- 
>>             Juan Vuletich
>>             www.cuis-smalltalk.org  <http://www.cuis-smalltalk.org>
>>             https://github.com/Cuis-Smalltalk/Cuis-Smalltalk-Dev
>>             https://github.com/jvuletich
>>             https://www.linkedin.com/in/juan-vuletich-75611b3
>>             @JuanVuletich
>>
>
>
>     -- 
>     Juan Vuletich
>     www.cuis-smalltalk.org  <http://www.cuis-smalltalk.org>
>     https://github.com/Cuis-Smalltalk/Cuis-Smalltalk-Dev
>     https://github.com/jvuletich
>     https://www.linkedin.com/in/juan-vuletich-75611b3
>     @JuanVuletich
>


-- 
Juan Vuletich
www.cuis-smalltalk.org
https://github.com/Cuis-Smalltalk/Cuis-Smalltalk-Dev
https://github.com/jvuletich
https://www.linkedin.com/in/juan-vuletich-75611b3
@JuanVuletich

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