[parsec-users] Segmentation fault for Dedup (uncompress)

Rafael Asenjo asenjo at uma.es
Mon Aug 10 06:28:56 EDT 2009


I've been using Parsec 1.0 and 2.0 for a while. I was testing the  
uncompress option for Dedup (-u) so as to validate that uncompressing  
a file gives you the original one. However I found that calling dedup  
with -u produces a segmentation fault. I've tested it in two platforms  
(intel Xeon, and Itanium 2), Linux/x86_64 and Linux/Itanium, with SLES  
9 and 10, serial and parallel (2 threads), with simtest, simdev and  
simlarge, gcc 4.1 and 4.2 and with parsec 1.0 and 2.0.

Using gdb I found that segmentation fault arises when calling  
"uncompress" function (from libz), at function Decompress in file  
decoder.c. Does someone notice that before. Any help will be much  


Dr. Rafael Asenjo Plaza
Dept. Arquitectura de Computadores
Complejo Tecnologico Campus de Teatinos
Tel: +34 95 213 27 91
Fax: +34 95 213 27 90

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