1898295 - Excessive jank when opening PDF file on Android

Status: RESOLVED DUPLICATE of bug 1896513

(GeckoView :: PDF Viewer, defect)

Description

[Denis Palmeiro [:denispal]]

Steps to reproduce the problem:

go to

https://monitoruloficial.ro/e-monitor/

select 30 april 2024
click any of 40X links

try to zoom in and/or scroll, the behaviour is extremely janky and unresponsive. After scrolling for about 5-10 seconds the screen just turns black and doesn't update.

Comment 1

[Denis Palmeiro [:denispal]]

I have a profile with all threads enabled here https://share.firefox.dev/3KhAYc4 but I don't see anything interesting. This seems more like a functional problem.

Comment 2

[Denis Palmeiro [:denispal]]

Attachment: screenshot.png

PDF stuck here indefinitely.

Comment 4

[Marco Castelluccio [:marco]]

Are you able to reproduce if you set the gfx.canvas.accelerated preference to false?

Comment 6

[Marco Castelluccio [:marco]]

Scratch that, are you able to reproduce in current Nightly?

Comment 7

[Denis Palmeiro [:denispal]]

(In reply to Marco Castelluccio [:marco] from comment #6)

Scratch that, are you able to reproduce in current Nightly?

I can no longer reproduce this problem on my Pixel 6 with Build 20240525201917.