[patch] more xfdesktop stuff - help wanted

[Benedikt Meurer]

Benedikt Meurer wrote:
> Brian J. Tarricone wrote:
> 
>> i've been running xfdesktop through valgrind (--leak-check=yes 
>> --show-reachable=yes --logfile=valgrind-xfd -v --num-callers=50 
>> --leak-resolution=high), and the stack traces i get back from that do 
>> point to icon creation, but the memory allocations seem to be buried 
>> deeply in libxml2 and/or librsvg (obviously only when SVG icons are 
>> being loaded).  while i won't rule out an external bug, it just seems 
>> a bit unlikely to me that either of those two libraries could be 
>> leaking so much memory.
> 
> 
> FYI, I've had a similar problem with a daemon program dumping 1.9GByte 
> core file after running for a day or two. After debugging for some days 
> I found the cause: I forgot one call to xmlFreeDoc(). Although the XML 
> document in question was short (only around 4Kb in text size), the 
> in-memory tree representation was that big, that parsing this file up to 
> 100 times led to a memory usage of 1.9GByte. So its not libxml2 leaking 
> memory itself, but its the programmer making small mistakes, that leads 
> to such fast memory leaks.
           ^^^^
  One should read "vast", though I wonder how fast a memory leak can be :-)

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