On Wed, Sep 22, 2010 at 10:46 PM, Amir Farbin <[log in to unmask]> wrote: >> Yes, in thread 1 it is the whole call stack which is very deep. That said, when you sau "use xrd" is that using the xroot client (e.g., xroot://....)? > > Yes. I chain files with root://... as prefix. Note the prefix is not xroot. Is there a difference? To make it more confusing it looks like ROOT only maps "root://" prefix to the xroot protocol. > >> If so, what version are you using? > Good point... stupid me never thought that the client might be the problem. I'm using whatever version of xrootd that comes with ROOT 5.26/00. Do you recommend a dev version of ROOT? I doubt it will help. Lukasz