Last Comment Bug 655407 - Crash on startup [@ nsTextFragment::CharAt(int) ] or [@ kernelbase.dll@0x179b ]
: Crash on startup [@ nsTextFragment::CharAt(int) ] or [@ kernelbase.dll@0x179b ]
: crash
Product: Core
Classification: Components
Component: General (show other bugs)
: Trunk
: x86_64 Windows 7
-- critical (vote)
: ---
Assigned To: Nobody; OK to take it and work on it
Depends on: 655025
  Show dependency treegraph
Reported: 2011-05-06 16:09 PDT by Anywho
Modified: 2011-06-09 14:58 PDT (History)
6 users (show)
See Also:
Crash Signature:
QA Whiteboard:
Iteration: ---
Points: ---
Has Regression Range: ---
Has STR: ---


Description User image Anywho 2011-05-06 16:09:42 PDT
User-Agent:       Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:6.0a1) Gecko/20110506 Firefox/6.0a1
Build Identifier: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:6.0a1) Gecko/20110506 Firefox/6.0a1

This crash happens at startup when using "Net Usage Item" v1.2.310 and v1.2.314. It also happens when using "Imgur Uploader" v1.0.3. Both add-ons previously worked in FF6.0a1 on and before the Nightly 2011-05-04 version.

Reproducible: Always

Steps to Reproduce:
1.  Start FF6.0.a1 with either of these two addons enabled.

Actual Results:  
Crash reporter comes up asking for details.

Expected Results:  
FF6.0a1 should have started.

Running Windows 7-Pro-SP1, 64bit.  Because this has only just started happening, I thought I should report it...  I hope that is OK.
Comment 1 User image Anywho 2011-05-06 19:02:57 PDT
Just adding that "Imgur Uploader 1.0.3" is working when "Net Usage Item" is disabled.  So it appears to be a knock-on effect.
Comment 2 User image James May [:fowl] 2011-05-06 20:12:56 PDT
I think these are related. Happen on latest nightly (2011-05-06) on startup when usage item is installed. (I have to remove it by renaming the {guid}.xpi in my profile)

They have a different signature though.
Comment 3 User image Anywho 2011-05-08 03:21:01 PDT
FF6.0a1 - 2011-05-07 has fixed the problem I had with the "Net Usage Item" add-on for me.  "Imgur Uploader 1.0.3" is also fine.  Firefox now starts up without crashing.
Comment 4 User image Robert Kaiser 2011-05-10 05:37:03 PDT has 2011050600 show up as the highest build ID with crashes, which would confirm what comment #3 is saying and be a good sign. 

Looking at checkins that affect the stack frames in there, it looks to me like bug 655025 fixed this.

Robert Longson, can you confirm that?
Comment 5 User image Robert Longson 2011-05-10 05:39:58 PDT
Based on the stack trace, the patch in bug 655025 did fix this.

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