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Last Comment Bug 709712 - WebGL demos causing repeatable crashes
: WebGL demos causing repeatable crashes
[MTD], [native-crash]
: crash, reproducible
Product: Core
Classification: Components
Component: Canvas: WebGL (show other bugs)
: Trunk
: ARM Android
: -- critical (vote)
: mozilla9
Assigned To: Nobody; OK to take it and work on it
: Milan Sreckovic [:milan]
: 709252 (view as bug list)
Depends on: 709947
  Show dependency treegraph
Reported: 2011-12-11 23:49 PST by Matt Evans [:mevans]
Modified: 2011-12-17 11:01 PST (History)
5 users (show)
See Also:
Crash Signature:
QA Whiteboard:
Iteration: ---
Points: ---
Has Regression Range: ---
Has STR: ---

Nightly (12/12) Crash Log (10.93 KB, text/plain)
2011-12-12 11:50 PST, Aaron Train [:aaronmt]
no flags Details

Description Matt Evans [:mevans] 2011-12-11 23:49:38 PST
Web page or screen you were on when you saw the issue: 

Steps to reproduce:
1. go to this webgl test:

What you expected: 

A teapot displayed



Crash report ID (if applicable):

I believe other tests in the suite will cause similar crashes. Need to check more of these tests in this suite.
Comment 1 Benoit Jacob [:bjacob] (mostly away) 2011-12-12 07:20:18 PST
Shouldn't we group together all those malloc-related crashes triggered by WebGL demos on Android? For all we can see, they're likely all the same bug.
Comment 2 Naoki Hirata :nhirata (please use needinfo instead of cc) 2011-12-12 10:32:00 PST
Benoit, I was thinking the same thing.  

How would you like me to group them?
Should I go ahead and dup or do you want me to create a meta bug or do you want me to create a whiteboard tag?
Comment 3 Aaron Train [:aaronmt] 2011-12-12 11:50:09 PST
Created attachment 580993 [details]
Nightly (12/12) Crash Log

On every single demo at, Fennec Native crashes. 

Attached is an example crash log.

Samsung Galaxy SII (Android 2.3.6)
Mozilla/5.0 (Android; Linux armv7l; rv:11.0a1) Gecko/20111212 Firefox/11.0a1 Fennec/11.0a1
Comment 4 Aaron Train [:aaronmt] 2011-12-12 11:59:00 PST
*** Bug 709252 has been marked as a duplicate of this bug. ***
Comment 5 Benoit Jacob [:bjacob] (mostly away) 2011-12-12 12:52:51 PST
I'm testing a patch that makes us revert to using the GLSL backend instead of the ESSL backend in the ANGLE compiler. Shouldn't make a behavior difference anyway, as on ES we're just passing the original shader source to the driver, but could avoid this crash if it's related to the ESSL backend.

Builds and logs will be available at
Comment 6 Benoit Jacob [:bjacob] (mostly away) 2011-12-12 13:30:33 PST
We were able to confirm on AaronMT's phone that this patch fixes the crash.
Comment 7 Benoit Jacob [:bjacob] (mostly away) 2011-12-14 12:02:04 PST
Fixed by 709947
Comment 8 Scoobidiver (away) 2011-12-17 11:01:13 PST
The fix has been backported to Gecko 9+.

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