765972 - ###!!! ASSERTION: bad aListVisibleBounds: 'r.GetBounds().IsEqualInterior(aListVisibleBounds)' when loading youtube.com

Status: NEW

(Core :: Web Painting, defect)

Description

[Brad Lassey [:blassey] (use needinfo?)]

I consistently get this assertion by loading youtube.com in a debug build of Fennec

Comment 1

[Martin Mokrejs]

I get this with seamonkey browser on x86_64 Gentoo Linux:

] ###!!! ASSERTION: bad aListVisibleBounds: 'r.GetBounds().IsEqualInterior(aListVisibleBounds)', file /var/tmp/portage/www-client/seamonkey-2.39/work/seamonkey-2.39/mozilla/layout/base/nsDisplayList.cpp, line 1407

Comment 2

[Martin Mokrejs]

The webpage is:

--DOMWINDOW == 85 (0x7f4998cb4000) [pid = 24878] [serial = 206] [outer = (nil)] [url = https://www.t-mobile.cz/.gang/req/hard?next-url=%2Fmuj-t-mobile%3Fp_p_id%3Dcorevcc_WAR_vcc%26p_p_lifecycle%3D0%26p_p_state%3Dnormal%26p_p_mode%3Dview%26p_p_col_id%3Dcolumn-1%26p_p_col_count%3D1%26_corevcc_WAR_vcc_moduleCode%3DmySpendingPhoneNumber%26_corevcc_WAR_vcc_from%3DrychleOdkazy]

Comment 3

[Martin Mokrejs]

Maybe it is related to the preceding Warning message?

--DOMWINDOW == 61 (0x7fb923d1bc00) [pid = 16006] [serial = 1112] [outer = (nil)] [url = http://aem.asm.org/content/75/22/7212.full]
--DOMWINDOW == 60 (0x7fb946e79400) [pid = 16006] [serial = 1120] [outer = (nil)] [url = https://accounts.google.com/o/oauth2/postmessageRelay?parent=http%3A%2F%2Faem.asm.org#rpctoken=445863777&forcesecure=1]

[16006] WARNING: aTargetFrame should be related with aTargetContent: '!aTargetFrame || !aTargetFrame->GetContent() || aTargetFrame->GetContent() == aTargetContent || aTargetFrame->GetContent()->GetFlattenedTreeParent() == aTargetContent', file /var/tmp/portage/www-client/seamonkey-2.39/work/seamonkey-2.39/mozilla/dom/events/EventStateManager.cpp, line 492

^G[16006] ###!!! ASSERTION: bad aListVisibleBounds: 'r.GetBounds().IsEqualInterior(aListVisibleBounds)', file /var/tmp/portage/www-client/seamonkey-2.39/work/seamonkey-2.39/mozilla/layout/base/nsDisplayList.cpp, line 1407

Comment 4

[Kartikaya Gupta (email:[e-mail])]

This assertion can also be triggered by running ./mach crashtest layout/printing/crashtests/576878.xhtml. The test is marked as having 4 assertions in e10s builds, and this assertion is two of the four.