1609746 - [Fission] <select> appears in top left

Status: RESOLVED FIXED

(Core :: Layout, defect, P3)

Description

[Perry Jiang [:perry] [no longer employee, use ni?]]

Attachment: actual

STR:

Set fission.autostart=true

1. Go to https://www.alphaindustries.com/pages/store-locator
2. Select "Choose Country"

Expected results: select menu appears right below where mouse clicked (I get the expected results when fission.autostart=false).

Actual results: select menu appears in the top left of the page

Comment 1

[Perry Jiang [:perry] [no longer employee, use ni?]]

Attachment: expected

Comment 2

[Emilio Cobos Álvarez (:emilio)]

WFM on linux, is there any chance you can run mozregression to find a regression range?

Comment 3

[Perry Jiang [:perry] [no longer employee, use ni?]]

(In reply to Emilio Cobos Álvarez (:emilio) from comment #2)

WFM on linux, is there any chance you can run mozregression to find a regression range?

Looks like it's something to do with my specific setup. I tried the same Nightly using a clean profile and it works normally. Looking...

Comment 4

[Perry Jiang [:perry] [no longer employee, use ni?]]

Okay, so with a clean profile and fission.autostart=true, this reproduces.

Comment 5

[Matt Woodrow (:mattwoodrow)]

It looks like the dropdown is being positioned with its offset relative to the iframe, but applied relative to the tab. That probably makes sense, if we're not explicitly including the tab-to-iframe offset.

Comment 6

[Chris Peterson [:cpeterson]]

I don't think this is a regression. I can reproduce this bug (using mozregression) at least as far back as June 2019.

Tracking for Fission Nightly (M6)

Comment 7

[Sean Voisen (:svoisen)]

Setting to P3 since this is only present with Fission enabled (and we don't yet ship Fission). Blocking rendering's Fission meta bug.

Comment 8

[Hiroyuki Ikezoe (:hiro)]

This will be fixed by bug 1550800 as far as I can tell.

Comment 9

[Hiroyuki Ikezoe (:hiro)]

Fixed by bug 1550800.