Application fails to start when reloaded with ctrl-R

[J Decker]

I've been playing with WASM and building a webgl application.  This is a sizable blob of code (2M .wasm) 

https://d3x0r.org:444/javascript/wasmgui/index2.html  

If I click on the link, it loads, 

if I hit the reload button repeatedly, it reloads correctly.. 

but about 50% of the time, if I reload with ctrl-R it fails to load properly (prints a bunch of '4' to the console.log).  

Is this a chrome issue? (74.0.3729.169 )

[Shlomi Fish]

On Sun, 26 May 2019 00:10:11 -0700 (PDT)
J Decker <d3c...@gmail.com> wrote:

> I've been playing with WASM and building a webgl application. This is a
> sizable blob of code (2M .wasm)
>
> https://d3x0r.org:444/javascript/wasmgui/index2.html
>

Hi,

on my mageia linux v7 x64 system, reloads are always working (after pressing
ctrl+R) in both chromium and firefox. I tried many times.

> If I click on the link, it loads,
> if I hit the reload button repeatedly, it reloads correctly..
> but about 50% of the time, if I reload with ctrl-R it fails to load
> properly (prints a bunch of '4' to the console.log).
> Is this a chrome issue? (74.0.3729.169 )
>
>

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Shlomi Fish http://www.shlomifish.org/
https://github.com/shlomif/PySolFC - open source Solitaire games

I want to live forever or die in the attempt.
— via Nadav Har’El

Please reply to list if it's a mailing list post - http://shlom.in/reply .

[J Decker]

On Sun, May 26, 2019 at 1:27 AM Shlomi Fish <shl...@shlomifish.org> wrote:

On Sun, 26 May 2019 00:10:11 -0700 (PDT)
J Decker <d3c...@gmail.com> wrote:

> I've been playing with WASM and building a webgl application.  This is a
> sizable blob of code (2M .wasm)
>
> https://d3x0r.org:444/javascript/wasmgui/index2.html 
>

Hi,

on my mageia linux v7 x64 system, reloads are always working (after pressing
ctrl+R) in both chromium and firefox. I tried many times.

Hmm, I did just also try firefox, and Chromium Canary, and they all do it.  but only on ctrl-R.

Was just coming back to report similar failure happens on Firefox... 

 

> If I click on the link, it loads,
> if I hit the reload button repeatedly, it reloads correctly..
> but about 50% of the time, if I reload with ctrl-R it fails to load
> properly (prints a bunch of '4' to the console.log). 
> Is this a chrome issue? (74.0.3729.169 )
>
>



--
-----------------------------------------------------------------
Shlomi Fish       http://www.shlomifish.org/
https://github.com/shlomif/PySolFC - open source Solitaire games

I want to live forever or die in the attempt.
    — via Nadav Har’El

Please reply to list if it's a mailing list post - http://shlom.in/reply .

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[J Decker]

On Sun, May 26, 2019 at 2:12 AM J Decker <d3c...@gmail.com> wrote:

On Sun, May 26, 2019 at 1:27 AM Shlomi Fish <shl...@shlomifish.org> wrote:

On Sun, 26 May 2019 00:10:11 -0700 (PDT)
J Decker <d3c...@gmail.com> wrote:

> I've been playing with WASM and building a webgl application.  This is a
> sizable blob of code (2M .wasm)
>
> https://d3x0r.org:444/javascript/wasmgui/index2.html 
>

Hi,

on my mageia linux v7 x64 system, reloads are always working (after pressing
ctrl+R) in both chromium and firefox. I tried many times.

Hmm, I did just also try firefox, and Chromium Canary, and they all do it.  but only on ctrl-R.

Was just coming back to report similar failure happens on Firefox... 

The server/page is local to me... maybe the internet delay 'fixes' it...

[Alon Zakai]

Using the browser devtools to see the order in which things load (network tab, web console) might help.

Also it might help to build with -s ASSERTIONS=1 in emscripten as that can catch some async startup related errors.

- Alon

To view this discussion on the web visit https://groups.google.com/d/msgid/emscripten-discuss/CAA2GJqXyLopH%3DVM%2BOv0rPsROEDBmy7sJR_edxDpGfU9HDbHM4Q%40mail.gmail.com.

[J Decker]

On Sunday, May 26, 2019 at 8:19:38 AM UTC-7, Alon Zakai wrote:

Using the browser devtools to see the order in which things load (network tab, web console) might help.

Also it might help to build with -s ASSERTIONS=1 in emscripten as that can catch some async startup related errors.

The logged error messages were apparently filtered out... so all I saw was 

'4'

Turns out it also mattered where the mouse was; and the code was setting up mouse/key/touch input handlers before the app was initialized, so the events tried to dereference a NULL.

 

- Alon

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