Well I do not know we have to consider this as a bug. The linux running on BG/Q compute node is « special ». On the front end of BG/Q there is not pb. I may open a bug for IBM (with have good contact) Cheers, Le 14 Jul 2014 à 12:51, Bjorn Reese <breese@mail1.stofanet.dk<mailto:breese@mail1.stofanet.dk>> a écrit : On 07/14/2014 12:13 PM, Ewart Timothée wrote: sigaltstack: Function not implemented [...] This behaviour about sigaction is considered as a bug ? Should open a ticket somewhere ? I suggest that you open a feature request via: http://www.gnu.org/software/libc/bugs.html _______________________________________________ Boost-users mailing list Boost-users@lists.boost.org<mailto:Boost-users@lists.boost.org> http://lists.boost.org/mailman/listinfo.cgi/boost-users