Fenix: [Bug] Black screen when submitting a large file

[Diana-Rus]

Issue created based on ticket: https://bugzilla.mozilla.org/show_bug.cgi?id=1609934

Steps to reproduce

1. Go to "https://www.w3schools.com/tags/tryit.asp?filename=tryhtml5_input_type_file"
2. Tap on the "Browse" from the one file selection.
3. Choose a file that is of at least 1 Gb.

Expected behavior

The input type file tag has the name of the imported file displayed.

Actual behavior

Before having the file name displayed, a black screen is present.

Device information

• Android device: Google Pixel 3 XL (Android 10), Samsung Galaxy S8+ (Android 8.0.0)
• Fenix version: Firefox Preview Nightly 200213 (Build #20440605) GV: 74.0a1-20200210093912

Please view gif.

[mcomella]

@kbrosnan Can someone from QA check if this is reproducible on a 100 MB file? If so, it's like a P1 responsiveness issue we should address. If not, we can address it later.

[mcomella]

@AndiAJ Can someone from QA check if this is reproducible on a 100 MB file? It'll help us determine if this should be done now or later.

[AndiAJ]

Hi @mcomella , I've just re-checked this mater on the latest Nightly Build #200790605 from 3/19 using the following devices:
• Google Pixel 3a (Android 10)
• Huawei Mate 20 Lite (Android 8.1.0)

When uploading the 100 & 200 MB files no issues encountered, on the other hand, the black screen seems to be displayed when uploading the 512 MB file.

► Video from Google Pixel 3a uploading a 512MB file

► Video from Google Pixel 3a uploading a 200 MB file

► Video from Google Pixel 3a uploading a 100 MB file

Please review and share your thoughts. ☺️

[mcomella]

Triage: 100 MB flow doesn't look too bad and (with no supporting data) that's the largest reasonable file upload size so putting to Low Impact for now.

[mcomella]

Triage: I wanted to re-evaluate to see if this could be a good inter-team issue but we decided against it.

[softvision-miralobontiu]

I was able to reproduce this issue on the 11/18 Nightly build with Samsung Galaxy Tab S6 (Android 10) when I've uploaded a 1 GB file.