header menu bar becomes blank on certain site

RESOLVED FIXED in Firefox 68

Status

()

defect
P1
normal
RESOLVED FIXED
Last month
20 days ago

People

(Reporter: alice0775, Assigned: miko)

Tracking

(Regression, {nightly-community, regression, reproducible})

68 Branch
mozilla68
x86_64
Windows 10
Points:
---

Firefox Tracking Flags

(firefox-esr60 unaffected, firefox66 unaffected, firefox67 unaffected, firefox67.0.5 wontfix, firefox68 fixed)

Details

Attachments

(4 attachments)

Reporter

Description

Last month

Reproducible: always

Steps To Reproduce:

  1. https://www.afl.com.au/
  2. Wait for page loading
  3. If not reproduce, reload(F5)

Actual Results:
Header parts blinks and then finally the header menu bar becomes blank

Expected Results:
Header menu bar should be rendered

Regression Window:
https://hg.mozilla.org/integration/autoland/pushloghtml?fromchange=37883d51ffd1e3809cfda2b9efd11df72878f20d&tochange=f6b5ab8f054ad48b1826c5af211a1a6c0bb214bb

Regressed by:
f6b5ab8f054ad48b1826c5af211a1a6c0bb214bb Miko Mynttinen — Bug 1549860 - Make display item merging nsDisplayWrapList specific operation r=mattwoodrow

Miko Mynttinen [:miko],
Your patch seems to cause the regression. Can you please look into this?

Flags: needinfo?(mikokm)
Reporter

Updated

Last month
Has Regression Range: --- → yes
Reporter

Comment 1

Last month
Posted file about:support
Reporter

Comment 2

Last month
Assignee

Comment 3

Last month

Thank you for the report, I am looking into this.

Assignee: nobody → mikokm
Status: NEW → ASSIGNED
Flags: needinfo?(mikokm)
Assignee

Updated

Last month
Priority: -- → P1

Comment 4

Last month

more info here on the Bug.

just on the AFL.com.au page issue, if you Scroll right down the page an then you scroll up the top again, that Header Bar shows up correctly , but if you then reload the page, it'll dissapear

Assignee

Updated

Last month
See Also: → 1551061

Comment 6

Last month
Pushed by mikokm@gmail.com:
https://hg.mozilla.org/integration/autoland/rev/e7e7717d9236
Check both list end and non-container items separately during display item merging r=mattwoodrow

Comment 7

Last month
bugherder
Status: ASSIGNED → RESOLVED
Closed: Last month
Resolution: --- → FIXED
Target Milestone: --- → mozilla68
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