RE: [xml] Segfault on AIX

["Alfred Reibenschuh" <alfred reibenschu chello at>]

hi!

have you compiled statically or dynamically ?
with gcc or the ibm cc (at least 3.6.6) ?

does "libXML 2.2.4.16" you got it as package either 
from the bull/freeware site or the freeware cd of
AIX 5.1 ?


-- Alfred Reibenschuh, perl geek
look @ http://penguin.at0.net/~fredo/geekcode.txt
Welcome to the Karma Hotel
Looks like Heaven but could be Hell
Where pleasant screams transform to yells
And every suite casts its own spell




> -----Original Message-----
> From: xml-admin gnome org [mailto:xml-admin gnome org]On Behalf Of Alan
> Aspuru-Guzik
> Sent: Thursday, February 28, 2002 11:52 PM
> To: xml gnome org
> Cc: alan aspuru com
> Subject: [xml] Segfault on AIX
> 
> 
> Dear XML users,
> 
> I am puzzled by the following behavior: My code runs and parses XML
> correctly in a plain-vanilla RH7.1+XimianGnome box, but when I compile in
> an IBM SP supercomputer (AIX) using the latest libXML out of the box
> (libXML 2.2.4.16) with and without my own libZ in --prefix=$HOME, when I
> try to open a simple xml file (not gzipped),
> 
> I get the following segfault:
> Stack Trace
>      .gzopen,               FP=2ff221b0
> C    .xmlGzfileOpen,        FP=2ff221b0
> C    ...arserInputBufferCreateFilename, FP=2ff221f0
> C    .xmlNewInputFromFile,  FP=2ff22248
> C    .xmlDefaultExternalEntityLoader, FP=2ff22298
> C    .xmlLoadExternalEntity, FP=2ff222e8
> C    .xmlCreateFileParserCtxt, FP=2ff22320
> C    .xmlSAXParseFileWithData, FP=2ff22368
> C    .xmlSAXParseFile,      FP=2ff223b8
> C    .xmlParseFile,         FP=2ff223f0
> C    .p_read_xml_file,      FP=2ff22428
> C    .main,                 FP=2ff22470
>      .__start,              FP=2ff224c0
> 
> Just for sanity check, I include the Stack Frame and source code lines
> where the thing 'leaves' my code and enters libXML:
> 
> Stack Frame
> Function ".p_read_xml_file":
>   fname (R31):     0x200010c8 -> "psi.xml"
>   u (R28):         0x200012b8 -> 0x00000003 (3)
> 
> And here are the offending lines:
> 
> gboolean p_read_xml_file(char *fname, PsiData u)
> {
>     xmlDocPtr doc;
>     xmlNsPtr ns;
>     xmlNodePtr cur;
>     
>     /*
>      * build an XML tree from a the file;
>      */
> 
>     if(fname==NULL) {
>         g_error("NULL XML filename.\n Exiting!\n");
>     }
>     
> **    doc = xmlParseFile(fname);
>     if (doc == NULL)
>         {
>             g_error("Input filename: %s is not a valid XML file!\n
> Exiting!\n",
>                     fname);
>         }
> 
> (... code continues ...)
> 
> The code dies entering the doc= xmlParseFile(fname);
> 
> I tried looking in the mailing lists and bugzilla, but I find not a clue
> about this. I attach the libxml config.log on the computer I am compiling
> in.. (AIX 4.3.3 with GCC)
> 
> blue199:./configure --prefix=$HOME
> loading cache ./config.cache
> checking host system type... powerpc-ibm-aix4.3.3.0
> checking for a BSD compatible
> install... (cached) /usr/local/gnu/bin/install -c
> checking whether build environment is sane... yes
> checking whether make sets ${MAKE}... (cached) yes
> checking for working aclocal... found
> checking for working autoconf... found
> checking for working automake... found
> checking for working autoheader... found
> checking for working makeinfo... found
> checking for gcc... (cached) gcc
> checking whether the C compiler (gcc  ) works... yes
> checking whether the C compiler (gcc  ) is a cross-compiler... no
> checking whether we are using GNU C... (cached) yes
> 
> What puzzles me also is why gzopen() if the xml file is not gzipped?
> 
> Thanks a lot in advance, 
> 
> Alan Aspuru-Guzik
>