Re: [be] config_xml_vector_string_get

[Teus Benschop]

Thanks for clearing up the matter. I've added the commands too. Teus.

On Fri, 2009-01-30 at 19:46 -0800, Dan Dennison wrote:
> So libxml2 wants initialization and finalization, per 
> http://xmlsoft.org/threads.html 
>   and http://mail.gnome.org/archives/xml/2007-October/msg00004.html.
> 
> I added xmlInitParser() and xmlCleanupParser() to main() inside of  
> bibledit.cpp.
> 
> Crashes gone on Windows now.
> 
> dan :)
> 
> On Jan 30, 2009, at 11:12 AM, Dan Dennison wrote:
> 
> > It's actually a bit more than this.
> >
> > If I delete the configuration XML file before BE startup, project  
> > notes works perfectly.
> >
> > Clearly there is an issue in the XML file handling. Now to find it.
> >
> > dan :)
> >
> > On Jan 28, 2009, at 3:56 PM, Dan Dennison wrote:
> >
> >> Interestingly, this seems to be fixed in 3.5.45.
> >>
> >> The project notes is usable on Windows now :)
> >>
> >> dan :)
> >>
> >> On Jan 23, 2009, at 9:35 PM, Teus Benschop wrote:
> >>
> >>> I am puzzled as well, looking at the backtrace. It mentions  
> >>> something
> >>> about waiting for a critical section, so that indeed points to the
> >>> Mutex. Wonder if the crash gets fixed after the Mutex is removed?  
> >>> Teus.
> >>>
> >>> On Fri, 2009-01-23 at 21:07 -0800, Dan Dennison wrote:
> >>>> I'm trying to debug a crash inside libxml2 on Windows that happens
> >>>> inside of config_xml_vector_string_get().
> >>>>
> >>>> I notice this comment in the code:
> >>>> // A static mutex was introduced to try to solve the problem of  
> >>>> rogue
> >>>> // resource creation, but it appeared that it didn't solve the
> >>>> problem.
> >>>> // Yet the mutex was left, because the configurations are  
> >>>> accessed in
> >>>> // a thread, so it is always good to have a mutex in place.
> >>>>
> >>>> Immediately after that a mutex called
> >>>> config_xml_vector_string_get_mutex gets initialized.
> >>>>
> >>>> Shortly thereafter:
> >>>> inputbuffer = xmlParserInputBufferCreateMem(contents, strlen
> >>>> (contents), XML_CHAR_ENCODING_NONE);
> >>>>
> >>>> gets called, and BE segfaults with the attached stack frame.
> >>>>
> >>>> Thoughts? This only happens when I push either OK or Cancel on a
> >>>> project note.
> >>>>
> >>>> dan :)
> >>>>
> >>>> segfault and backtrace:
> >>>>
> >>>> Program received signal SIGSEGV, Segmentation fault.
> >>>> 0x7c91b1fa in ntdll!RtlpWaitForCriticalSection ()
> >>>>  from C:\WINDOWS\system32\ntdll.dll
> >>>> (gdb) bt
> >>>> #0  0x7c91b1fa in ntdll!RtlpWaitForCriticalSection ()
> >>>>  from C:\WINDOWS\system32\ntdll.dll
> >>>> #1  0x7c901046 in ntdll!RtlEnumerateGenericTableLikeADirectory ()
> >>>>  from C:\WINDOWS\system32\ntdll.dll
> >>>> #2  0x000e4ad8 in ?? ()
> >>>> #3  0x1004ab98 in xmlGetGlobalState () from C:\beta-debug\bin
> >>>> \libxml2.dll
> >>>> #4  0x100e4ad8 in ?? ()
> >>>> #5  0x00000000 in ?? ()
> >>>>
> >>>>
> >>>>
> >>>
> >>>
> >>
> >>
> >>
> >
> >
> >
> 
> 
> 
>