Re: issue with cr_pthread.c:71 cri_pthread_init: Unable to ensure pthread_atfork() will run.

wchao_at_ncsu_dot_edu
Date: Tue Oct 21 2008 - 12:45:07 PDT

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    Paul,
    
    Thanks for the patch! Yes, it's an old version of BLCR, I'll merge to
    newer one later. Thanks!
    
    Best regards,
    Chao
    
    > I regret that I can't provide much in the way of support for 0.4.x (and
    > a snapshot version at that!).
    > I would guess you must have a reason for using such an old version, but
    > I would encourage you to try something newer.
    >
    > If you can't move to something newer, you may find the attached patch
    > useful.  It is an attempt to back-port the current version of the code
    > that issues the error message you are seeing.
    >
    > -Paul
    >
    >
    > wchao_at_ncsu_dot_edu wrote:
    >> Hi,
    >>
    >> I'm trying to run the benchmark of irs-1.4 on an x86-64 machine with the
    >> kernel of 2.6.16.
    >>
    >> For some reason, I used the following versions for LAM/MPI and BLCR:
    >> blcr-0.4.pre3_snapshot_2006_11_09
    >> lam-7.2b1r10399
    >>
    >> I successfully built irs, however, it failed to run with the following
    >> error:
    >>
    >> cr_pthread.c:71 cri_pthread_init: Unable to ensure pthread_atfork() will
    >> run.
    >> If you dlopen(libcr.so) or use some versions of the libraries/loaders,
    >> then you may need to link libpthread explicitly (or use LD_PRELOAD).
    >>
    >> Then, I tried to use -lpthread (or -Wl,-rpath-link=/usr/lib64) to fix
    >> this
    >> bug, but it still doesn't work. I read through Bug #460 at
    >> http://upc-bugs.lbl.gov/bugzilla/show_bug.cgi?id=460, but I couldn't
    >> figure out the solution.
    >>
    >> Would you please give me some suggestions? Any comments are welcome!
    >> Thanks a lot!
    >>
    >> Best regards,
    >> Chao
    >>
    >
    >
    > --
    > Paul H. Hargrove                          PHHargrove_at_lbl_dot_gov
    > Future Technologies Group
    > HPC Research Department                   Tel: +1-510-495-2352
    > Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900
    >
    >
    

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