942529 - Assertion failure: GetGCThingTraceKind(rope) == JSTRACE_STRING, at c:\work\mozilla\builds\nightly\mozilla\js\src\gc/Marking.cpp:958

Status: RESOLVED WORKSFORME

(Core :: JavaScript Engine, defect)

Description

[Carsten Book [:Tomcat]]

Found via Bughunter and reproduced on a Windows 7 debug Build. Loading https://codenvy.com/ide/edunogodz caused after about 40 seconds 

Assertion failure: GetGCThingTraceKind(rope) == JSTRACE_STRING, at c:\work\mozilla\builds\nightly\mozilla\js\src\gc/Marking.cpp:958

will try to generated a testcase etc for this. Might be related to bug 878576 however this is now on a real world website

Comment 1

[Carsten Book [:Tomcat]]

Attachment: windows stack

Comment 2

[Carsten Book [:Tomcat]]

please see also bug 942530, same site different assertion

Comment 3

[Andrew McCreight [:mccr8]]

sfink, maybe this is relevant to that rope crash you've been looking into?

Comment 4

[Andrew McCreight [:mccr8]]

Jon can you maybe look into this?  It has sat around since November.  Thanks.

Comment 5

[Andrew McCreight [:mccr8]]

Does this still reproduce?  Maybe the other bug fixed this...

Comment 6

[Jan de Mooij [:jandem]]

(In reply to Andrew McCreight [:mccr8] from comment #5)
> Does this still reproduce?  Maybe the other bug fixed this...

Yeah I'm pretty sure this is a duplicate of bug 942530. I'll wait for Tomcat to confirm it no longer crashes though.

Comment 7

[Carsten Book [:Tomcat]]

can't reproduce anymore :) so marking wfm :)