402488 - Debug assertion - 'writer returned an error with non-zero writeCount' when browsing

Status: RESOLVED DUPLICATE of bug 398121

(Firefox :: General, defect)

Description

[Ian Bevan]

User-Agent:       Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506.30)
Build Identifier: Gecko/2007110512 Minefield/3.0a9pre

Viewing The Burning Edge and get the following in a modal window (debug assertion):

-		aMsg	0x0012f018 "###!!! ASSERTION: writer returned an error with non-zero writeCount: '(NS_FAILED(rv) ? (*writeCount == 0) : PR_TRUE)', file C:/mozilla-build/msys/home/ian/mozilla/xpcom/io/nsInputStreamTee.cpp, line 105"	const char *

Reproducible: Always

Steps to Reproduce:
1. Open new FF window to home page of http://www.mozilla.org/projects/minefield/
2. Click link the The Burining Edge on right side of screen
3. Assertion fires.
Actual Results:  
Debug window appears contain error message. Hitting Ignore allows web page to be displayed.

Expected Results:  
No error message should be seen.

Debug build, VC8 SP1 and WinXP SP2. Stack trace (taken from VS2005, messy, sorry):

 	xpcom_core.dll!NS_DebugBreak_P(unsigned int aSeverity=1, const char * aStr=0x0036c828, const char * aExpr=0x0036c7f8, const char * aFile=0x0036c7b0, int aLine=105)  Line 358 + 0xc bytes	C++
 	xpcom_core.dll!nsInputStreamTee::WriteSegmentFun(nsIInputStream * in=0x06172540, void * closure=0x06172368, const char * fromSegment=0x032bf4b4, unsigned int offset=0, unsigned int count=12, unsigned int * writeCount=0x0012f464)  Line 105 + 0x3f bytes	C++
 	xpcom_core.dll!nsPipeInputStream::ReadSegments(unsigned int (nsIInputStream *, void *, const char *, unsigned int, unsigned int, unsigned int *)* writer=0x002d2f00, void * closure=0x06172368, unsigned int count=12, unsigned int * readCount=0x0012f760)  Line 799 + 0x1d bytes	C++
 	xpcom_core.dll!nsInputStreamTee::ReadSegments(unsigned int (nsIInputStream *, void *, const char *, unsigned int, unsigned int, unsigned int *)* writer=0x02dbc210, void * closure=0x0616d9d8, unsigned int count=12, unsigned int * bytesRead=0x0012f760)  Line 157	C++
 	imglib2.dll!nsICODecoder::WriteFrom(nsIInputStream * aInStr=0x06172368, unsigned int aCount=12, unsigned int * aRetval=0x0012f760)  Line 164	C++
 	imglib2.dll!imgRequest::OnDataAvailable(nsIRequest * aRequest=0x06171220, nsISupports * ctxt=0x00000000, nsIInputStream * inStr=0x06172368, unsigned int sourceOffset=0, unsigned int count=12)  Line 847 + 0x31 bytes	C++
 	imglib2.dll!ProxyListener::OnDataAvailable(nsIRequest * aRequest=0x06171220, nsISupports * ctxt=0x00000000, nsIInputStream * inStr=0x06172368, unsigned int sourceOffset=0, unsigned int count=12)  Line 878	C++
 	necko.dll!nsStreamListenerTee::OnDataAvailable(nsIRequest * request=0x06171220, nsISupports * context=0x00000000, nsIInputStream * input=0x06172540, unsigned int offset=0, unsigned int count=12)  Line 97 + 0x35 bytes	C++
 	necko.dll!nsHttpChannel::OnDataAvailable(nsIRequest * request=0x06172790, nsISupports * ctxt=0x00000000, nsIInputStream * input=0x06172540, unsigned int offset=0, unsigned int count=12)  Line 4497 + 0x5d bytes	C++
 	necko.dll!nsInputStreamPump::OnStateTransfer()  Line 508 + 0x40 bytes	C++
 	necko.dll!nsInputStreamPump::OnInputStreamReady(nsIAsyncInputStream * stream=0x06172540)  Line 398 + 0xb bytes	C++
 	xpcom_core.dll!nsInputStreamReadyEvent::Run()  Line 112	C++
 	xpcom_core.dll!nsThread::ProcessNextEvent(int mayWait=1, int * result=0x0012f984)  Line 491	C++
 	xpcom_core.dll!NS_ProcessNextEvent_P(nsIThread * thread=0x00bbce18, int mayWait=1)  Line 227 + 0x16 bytes	C++
 	gkwidget.dll!nsBaseAppShell::Run()  Line 154 + 0xc bytes	C++
 	tkitcmps.dll!nsAppStartup::Run()  Line 170 + 0x1c bytes	C++
 	xul.dll!XRE_main(int argc=1, char * * argv=0x00bb93b8, const nsXREAppData * aAppData=0x00bb9930)  Line 3142 + 0x25 bytes	C++
 	firefox.exe!main(int argc=1, char * * argv=0x00bb93b8)  Line 153 + 0x12 bytes	C++
 	firefox.exe!__tmainCRTStartup()  Line 597 + 0x19 bytes	C
 	firefox.exe!mainCRTStartup()  Line 414	C