On Thu, 2012-11-29 at 17:31 +0100, Pedro Larroy wrote:

> Without valgrind everything works fine, it tries to map a file of 20GB
> or so, might this be the reason?
Yes, it might be the reason.
Try to reduce the size to e.g. 1GB and see if it works.

-v -v -v -d -d -d args will also activate tracing for the VAlgrind
address space manager. This trace could explain why 20Gb are not
mappable.

Also, you should try with the last version (3.8.1).

Philippe



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