1266176 - Scroll thumb and page contents is jumping up and down. And page footer flickers while scrolling

Status: RESOLVED DUPLICATE of bug 1265806

(Core :: Panning and Zooming, defect)

Description

[Alice0775 White]

This does not occurs when e10s disabled.

Steps To Reproduce:
1. Open URL
2. Scroll to near the bottom of the page
3. Scroll by thumb
   Mouse down on the thumb.
   And move to the slightly left, so that the mouse pointer is in hte content area.
   And move the mouse to the upward / downward.

Actual Results:
The scroll thumb and page contents is jumping up and down.
Page footer flickers while scrolling.

Expected Results:
Not so that.

The thumb and page contents should be moving smoothly.


bug 1260018 did not fix this problem.

Comment 1

[Alice0775 White]

Screen capture: https://youtu.be/FVebYbhgXf8

Comment 2

[Alice0775 White]

Regression window:
https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=70ec09a1709462a12629036ea16b934db182ad96&tochange=3afbfb3631bd164dc76fa912e614233970385aa0

Suspect: 96115b975df4	Kartikaya Gupta — Bug 1258851 - Propagate the isScrollbarContainer layer flag to the compositor. r=mattwoodrow

Comment 3

[Botond Ballo [:botond]]

I can reproduce this. Might be related to bug 1265806.

Comment 4

[Botond Ballo [:botond]]

(In reply to Botond Ballo [:botond] from comment #3)
> I can reproduce this. Might be related to bug 1265806.

Yeah, that's a regression from bug 1258851 as well.

Comment 5

[Botond Ballo [:botond]]

Confirmed that the patch in bug 1265806 fixes this for me locally.