770517 - Remote mozbrowser crashes because of dlbi

Status: RESOLVED WORKSFORME

(Core :: DOM: Core & HTML, defect)

Description

[Mounir Lamouri (:mounir)]

Attachment: Log

With the current m-c (e61399f31505), I'm getting a crash as soon as I'm using a remote browser.

I can reproduce that with those test pages:
http://oldworld.fr/mozilla/nss.html
http://oldworld.fr/mozilla/mozbrowser.html

With the following prefs:
dom.ipc.browser_frames.oop_by_default: true
dom.mozBrowserFramesEnabled: true
dom.mozBrowserFramesWhitelist: file:///,file://,http://oldworld.fr
dom.ipc.tabs.disabled: false

Comment 1

[Mounir Lamouri (:mounir)]

This is random: I just got it working a few times.

Comment 2

[Mounir Lamouri (:mounir)]

Attachment: Stack

Comment 3

[Justin Lebar (not reading bugmail)]

Comment on attachment 638709 [details]
Stack

I've seen this error before, but not for a long time...

Comment 4

[Mounir Lamouri (:mounir)]

Looking at the stack and the errors in the log, it looks more like something that doesn't handle properly e10s than a bug in the mozbrowser code.

Comment 5

[Justin Lebar (not reading bugmail)]

Yeah, way back in bug 749018.

Comment 6

[Justin Lebar (not reading bugmail)]

I think this is a recent regression.  Maybe display-list-based invalidation?

Comment 7

[Justin Lebar (not reading bugmail)]

I can reproduce this and am bisecting.

Comment 8

[Mounir Lamouri (:mounir)]

(In reply to Justin Lebar [:jlebar] from comment #6)
> I think this is a recent regression.  Maybe display-list-based invalidation?

I would bet on that too ;)

Comment 9

[Mounir Lamouri (:mounir)]

Bug 539356 has been backed out and now things seem to be back to normal. This is unlikely a coincidence.

Comment 10

[Matt Woodrow (:mattwoodrow)]

I can't reproduce this in the latest nightly, please re-open if you run into it again.