1025896 - crash in mozilla::gfx::DrawTargetD2D::MaskSurface(mozilla::gfx::Pattern const&, mozilla::gfx::SourceSurface*, mozilla::gfx::PointTyped<mozilla::gfx::UnknownUnits>, mozilla::gfx::DrawOptions const&)

Status: VERIFIED FIXED

(Core :: Graphics: Layers, defect)

Description

[Tracy Walker [:tracy]]

This bug was filed from the Socorro interface and is 
report bp-eddf9c43-1270-411d-86e2-4548e2140613.
=============================================================

This crash began appearing in Nightly with builds from 2014061203.  It is currently #5 in volume on the topcrash list.  It is only present on Win 7, 8 and 8.1.  

Tow reporter comments:

"Logging into Star Trek Online."

"crashed when updating graphic driver" 

URL's for this crash indicate general browser usage. Nothing useful.

Comment 1

[Tracy Walker [:tracy]]

regression range: 20140611030204 - 20140612030349
http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=18c21532848a&tochange=9e8e3e903484

Bas, possible suspect Bug 992491 - Add a tiled DrawTarget

Comment 2

[Bas Schouten (:bas.schouten)]

No, this will be bug 940845.

Comment 3

[Matt Woodrow (:mattwoodrow)]

Attachment: Null check blur result

Looks like we used to do this (and still do at the other callsite).

Comment 4

[Benjamin Smedberg]

I can reproduce this crash by resetting my graphics driver while running Firefox (using `devcon restart <deviceID>`).

Comment 5

[Matt Woodrow (:mattwoodrow)]

https://hg.mozilla.org/integration/mozilla-inbound/rev/c69b9ec44533

Comment 6

[Ryan VanderMeulen [:RyanVM]]

https://hg.mozilla.org/mozilla-central/rev/c69b9ec44533

Comment 7

[[SV Manager] Florin Mezei, QA (:FlorinMezei)]

Looking in Socorro [1], there are no crashes over the past 4 weeks on Firefox 33 Beta, 34 Aurora or 35 Nightly.

[1] - https://crash-stats.mozilla.com/report/list?product=Firefox&range_unit=days&range_value=28&signature=mozilla%3A%3Agfx%3A%3ADrawTargetD2D%3A%3AMaskSurface%28mozilla%3A%3Agfx%3A%3APattern+const%26%2C+mozilla%3A%3Agfx%3A%3ASourceSurface%2A%2C+mozilla%3A%3Agfx%3A%3APointTyped%3Cmozilla%3A%3Agfx%3A%3AUnknownUnits%3E%2C+mozilla%3A%3Agfx%3A%3ADrawOptions+const%26%29#tab-reports